License: GNU General Public License v2.0
The Coral Gasket Driver allows usage of the Coral EdgeTPU on Linux systems. The driver contains two modules:
This repo contains both the source for direct integration into a kernel tree as well as the necessary files to generate a Debian DKMS package.
From the top level directory, execute:
debuild -us -uc -tc -b
DKMS make.log for gasket-1.0 for kernel 5.10.0-24-cloud-amd64 (x86_64)
Fri Aug 18 12:35:47 EDT 2023
make: Entering directory '/usr/src/linux-headers-5.10.0-24-cloud-amd64'
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
LD [M] /var/lib/dkms/gasket/1.0/build/gasket.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
LD [M] /var/lib/dkms/gasket/1.0/build/apex.o
MODPOST /var/lib/dkms/gasket/1.0/build/Module.symvers
ERROR: modpost: "dma_buf_detach" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_put" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_get" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_unmap_attachment" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_map_attachment" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
ERROR: modpost: "dma_buf_attach" [/var/lib/dkms/gasket/1.0/build/gasket.ko] undefined!
make[2]: *** [/usr/src/linux-headers-5.10.0-24-common/scripts/Makefile.modpost:123: /var/lib/dkms/gasket/1.0/build/Module.symvers] Error 1
make[2]: *** Deleting file '/var/lib/dkms/gasket/1.0/build/Module.symvers'
make[1]: *** [/usr/src/linux-headers-5.10.0-24-common/Makefile:1779: modules] Error 2
make: *** [/usr/src/linux-headers-5.10.0-24-common/Makefile:192: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-5.10.0-24-cloud-amd64'
This feels a lot like #14 but I don't know how to tweak things to see if that fixes my issue as well.
DKMS make.log for gasket-0.0.git.250.9fef422e for kernel 5.14.0-284.25.1.el9_2.x86_64 (x86_64)
Thu Aug 17 09:37:16 PM CST 2023
make -C "/lib/modules/5.14.0-284.25.1.el9_2.x86_64/build" M="/var/lib/dkms/gasket/0.0.git.250.9fef422e/build" modules
make[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
make[1]: Entering directory '/usr/src/kernels/5.14.0-284.25.1.el9_2.x86_64'
CC [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/gasket_sysfs.o
LD [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/gasket.o
CC [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/apex_driver.o
LD [M] /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/apex.o
MODPOST /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/Module.symvers
ERROR: modpost: module gasket uses symbol dma_buf_detach from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_put from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_get from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_unmap_attachment from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_map_attachment from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_attach from namespace DMA_BUF, but does not import it.
make[2]: *** [scripts/Makefile.modpost:134: /var/lib/dkms/gasket/0.0.git.250.9fef422e/build/Module.symvers] Error 1
make[2]: *** Deleting file '/var/lib/dkms/gasket/0.0.git.250.9fef422e/build/Module.symvers'
make[1]: *** [Makefile:1838: modules] Error 2
make[1]: Leaving directory '/usr/src/kernels/5.14.0-284.25.1.el9_2.x86_64'
make: *** [Makefile:15: all] Error 2
It seems like it's the same issue as #3. I can see that it's already patched in #6, but that patch only imports DMA_BUF on kernel version 5.16.0 or higher. I manually deleted the conditional checks and it compiled successfully.
I guess what's happening here is that a Redhat backport causes its "5.14.0" kernels to behave similarly to 5.16.0+ kernels. So my question is, is there a better way to check whether importing DMA_BUF namespace is necessary than a hard-coded version comparison? Sorry for not being of much help; I'm not a C developer.
The installation of the gasket-dkms has begun failing on Ubuntu. It looks like the problem was solved 4 months ago in this patch, but the official Google Repos seem to be abandoned.
REPO: https://packages.cloud.google.com/apt/dists/coral-edgetpu-stable/main
It's a bit embarrassing that an official google repo for a google product seems to be abandoned when it's called "stable". :-(
Does anyone know of a supported Debian repo at this point?
Building on an Ubuntu 22.04 system, on 6.3.4 it builds without issue, on 6.4.x it fails with the following. Same problem on 6.4.3, 6.4.2 and 6.4.1.
DKMS make.log for gasket-1.0 for kernel 6.4.1-060401-generic (x86_64)
Thu Jul 13 07:21:12 PM AWST 2023
make: Entering directory '/usr/src/linux-headers-6.4.1-060401-generic'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc-12 (Ubuntu 12.3.0-1ubuntu1) 12.3.0
You are using: gcc-12 (Ubuntu 12.1.0-2ubuntu1~22.04) 12.1.0
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
/var/lib/dkms/gasket/1.0/build/gasket_core.c: In function ‘gasket_register_device’:
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:41: error: passing argument 1 of ‘class_create’ from incompatible pointer type [-Werror=incompatible-pointer-types]
1841 | class_create(driver_desc->module, driver_desc->name);
| ~~~~~~~~~~~^~~~~~~~
| |
| struct module *
In file included from ./include/linux/device.h:31,
from ./include/linux/cdev.h:8,
from /var/lib/dkms/gasket/1.0/build/gasket_core.h:11,
from /var/lib/dkms/gasket/1.0/build/gasket_core.c:12:
./include/linux/device/class.h:230:54: note: expected ‘const char *’ but argument is of type ‘struct module *’
230 | struct class * __must_check class_create(const char *name);
| ~~~~~~~~~~~~^~~~
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:17: error: too many arguments to function ‘class_create’
1841 | class_create(driver_desc->module, driver_desc->name);
| ^~~~~~~~~~~~
./include/linux/device/class.h:230:29: note: declared here
230 | struct class * __must_check class_create(const char *name);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[1]: *** [scripts/Makefile.build:252: /var/lib/dkms/gasket/1.0/build/gasket_core.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:2032: /var/lib/dkms/gasket/1.0/build] Error 2
make: Leaving directory '/usr/src/linux-headers-6.4.1-060401-generic'
Hi!
I am trying to set up a pcie tpu based on the coral docs:
https://coral.ai/docs/m2/get-started/#2-install-the-pcie-driver-and-edge-tpu-runtime
I am running a freshly installed proxmox, downloaded the pve headers for my kernel(6.5.11-4-pve), but it seems to return this exit status 10 every time and I cant get ls /dev/apex_0 to output anything. I tried to install various older versions of proxmox to test it with older kernels, but non of them helped. I tried running an Ubunutu 22.04.03 VM and that fails aswell.
Here is the output from installing the packages on a freshly built proxmox with the pve header downloaded:
root@sagemcom:
# apt-get install gasket-dkms libedgetpu1-stdgit20230123.b2528b0-1 [168 kB]
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
build-essential cpp cpp-12 dkms dpkg-dev fakeroot g++ g++-12 gcc gcc-12 libabsl20220623 libalgorithm-diff-perl libalgorithm-diff-xs-perl
libalgorithm-merge-perl libaom3 libasan8 libatomic1 libavif15 libc-dev-bin libc-devtools libc6-dev libcc1-0 libcrypt-dev libdav1d6 libde265-0 libdeflate0
libdpkg-perl libfakeroot libfile-fcntllock-perl libgav1-1 libgcc-12-dev libgd3 libgomp1 libheif1 libisl23 libitm1 libjbig0 liblerc4 liblsan0 libmpc3
libmpfr6 libnsl-dev libquadmath0 librav1e0 libstdc++-12-dev libsvtav1enc1 libtiff6 libtirpc-dev libtsan2 libubsan1 libwebp7 libx265-199 libxpm4 libyuv0
linux-libc-dev lsb-release make manpages-dev patch pve-headers-6.1 pve-headers-6.1.10-1-pve rpcsvc-proto sudo
Suggested packages:
cpp-doc gcc-12-locales cpp-12-doc menu debian-keyring g++-multilib g++-12-multilib gcc-12-doc gcc-multilib autoconf automake libtool flex bison gdb
gcc-doc gcc-12-multilib glibc-doc git bzr libgd-tools libstdc++-12-doc make-doc ed diffutils-doc
The following NEW packages will be installed:
build-essential cpp cpp-12 dkms dpkg-dev fakeroot g++ g++-12 gasket-dkms gcc gcc-12 libabsl20220623 libalgorithm-diff-perl libalgorithm-diff-xs-perl
libalgorithm-merge-perl libaom3 libasan8 libatomic1 libavif15 libc-dev-bin libc-devtools libc6-dev libcc1-0 libcrypt-dev libdav1d6 libde265-0 libdeflate0
libdpkg-perl libedgetpu1-std libfakeroot libfile-fcntllock-perl libgav1-1 libgcc-12-dev libgd3 libgomp1 libheif1 libisl23 libitm1 libjbig0 liblerc4
liblsan0 libmpc3 libmpfr6 libnsl-dev libquadmath0 librav1e0 libstdc++-12-dev libsvtav1enc1 libtiff6 libtirpc-dev libtsan2 libubsan1 libwebp7 libx265-199
libxpm4 libyuv0 linux-libc-dev lsb-release make manpages-dev patch pve-headers-6.1 pve-headers-6.1.10-1-pve rpcsvc-proto sudo
0 upgraded, 65 newly installed, 0 to remove and 0 not upgraded.
Need to get 85.8 MB of archives.
After this operation, 374 MB of additional disk space will be used.
Do you want to continue? [Y/n]
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Setting up gcc (4:12.2.0-3) ...
Setting up dkms (3.0.10-8+deb12u1) ...
Setting up gasket-dkms (1.0-18) ...
Loading new gasket-1.0 DKMS files...
Deprecated feature: REMAKE_INITRD (/usr/src/gasket-1.0/dkms.conf)
Building for 6.5.11-4-pve 6.5.11-6-pve
Building initial module for 6.5.11-4-pve
Deprecated feature: REMAKE_INITRD (/var/lib/dkms/gasket/1.0/source/dkms.conf)
Error! Bad return status for module build on kernel: 6.5.11-4-pve (x86_64)
Consult /var/lib/dkms/gasket/1.0/build/make.log for more information.
dpkg: error processing package gasket-dkms (--configure):
installed gasket-dkms package post-installation script subprocess returned error exit status 10
Setting up g++ (4:12.2.0-3) ...
update-alternatives: using /usr/bin/g++ to provide /usr/bin/c++ (c++) in auto mode
Setting up build-essential (12.9) ...
Processing triggers for man-db (2.11.2-2) ...
Processing triggers for libc-bin (2.36-9+deb12u3) ...
Errors were encountered while processing:
gasket-dkms
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@sagemcom:
And here is the content of /var/lib/dkms/gasket/1.0/build/make.log:
DKMS make.log for gasket-1.0 for kernel 6.5.11-4-pve (x86_64)
Sun Dec 3 10:36:40 AM CET 2023
make: Entering directory '/usr/src/linux-headers-6.5.11-4-pve'
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
/var/lib/dkms/gasket/1.0/build/gasket_core.c: In function ‘gasket_register_device’:
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:41: error: passing argument 1 of ‘class_create’ from incompatible pointer type [-Werror=incompatible-pointe>
1841 | class_create(driver_desc->module, driver_desc->name);
| ~~~~~~~~~~~^~~~~~~~
| |
| struct module *
In file included from ./include/linux/device.h:31,
from ./include/linux/cdev.h:8,
from /var/lib/dkms/gasket/1.0/build/gasket_core.h:11,
from /var/lib/dkms/gasket/1.0/build/gasket_core.c:12:
./include/linux/device/class.h:230:54: note: expected ‘const char *’ but argument is of type ‘struct module *’
230 | struct class * __must_check class_create(const char *name);
| ~~~~~~~~~~~~^~~~
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:17: error: too many arguments to function ‘class_create’
1841 | class_create(driver_desc->module, driver_desc->name);
| ^~~~~~~~~~~~
./include/linux/device/class.h:230:29: note: declared here
230 | struct class * __must_check class_create(const char *name);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:251: /var/lib/dkms/gasket/1.0/build/gasket_core.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/usr/src/linux-headers-6.5.11-4-pve/Makefile:2039: /var/lib/dkms/gasket/1.0/build] Error 2
make: *** [Makefile:234: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-6.5.11-4-pve'
I tried various options I have found on forums, but nothing seemed to work. Secure boot is disabled aswell. Is there any solution to this?
Can part of device memory be exposed as CMB in the BAR?
This way data can move from peer PCIe devices to TPU directly and potentially save system resources.
I have a USB Coral connected to a XCP-NG server, which does redirects the device as a virtual usb device to a virtual machine.
I have successfully loaded the firmware to the device from the virtual machine (running RHEL9), using the webcoral "make reset"..
[root@yoda ~]# lsusb
Bus 001 Device 002: ID 18d1:9302 Google Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
I'm using the dkms package from here: https://download.copr.fedorainfracloud.org/results/kylegospo/google-coral-dkms/epel-9-$basearch/
and the drivers seems to be build correctly:
[root@yoda ~]# modinfo gasket
filename: /lib/modules/5.14.0-284.30.1.el9_2.x86_64/extra/gasket.ko.xz
author: Rob Springer <[email protected]>
license: GPL v2
version: 1.1.4
description: Google Gasket driver framework
import_ns: DMA_BUF
rhelversion: 9.2
srcversion: C5E3C44F074635274B37D85
depends:
retpoline: Y
name: gasket
vermagic: 5.14.0-284.30.1.el9_2.x86_64 SMP preempt mod_unload modversions
sig_id: PKCS#7
signer: DKMS module signing key
sig_key: 03:9C:8D:C7:66:96:06:45:58:B9:AA:C3:F9:F8:AC:CB:B5:71:7C:24
sig_hashalgo: sha512
signature: 3D:51:E9:73:6F:9B:16:0D:C1:64:EA:C9:E5:DE:C7:E8:07:91:CA:38:
C9:BD:AB:FC:70:19:1C:B6:CE:99:BE:AC:F1:2C:66:D5:EB:46:69:76:
B2:03:54:F8:6D:C9:84:98:C1:B4:1A:7A:71:1E:A5:AB:D7:4F:7F:45:
BE:D7:DD:2E:F8:E0:1E:0B:D3:17:B6:F8:7C:76:9B:F3:E0:CD:02:CE:
75:C2:94:A0:1E:32:9F:2B:9D:C8:D8:81:E6:F6:0F:E9:68:80:2D:CC:
CD:98:A2:03:7A:F6:01:02:A1:6D:E2:AD:47:59:F8:E6:AB:6B:31:CC:
E7:84:88:CE:C3:19:17:04:C7:F8:F5:2D:77:9E:F4:2A:1F:D1:13:61:
E3:91:9A:01:C3:E8:05:26:F1:2C:32:27:1E:11:87:57:63:3C:D1:97:
7F:C0:E7:98:3E:36:1B:B2:6E:CA:3E:FE:8E:7D:26:32:B8:FA:4E:24:
35:4C:58:2E:7B:CD:94:B6:BF:11:3C:63:99:78:AB:9A:48:29:EC:72:
A5:D8:A4:8E:04:50:E2:49:87:C5:40:A1:34:5C:CD:E3:62:20:6F:C4:
44:7D:55:C9:9E:1C:29:A1:C2:DD:BD:3B:07:95:28:E0:DA:79:59:62:
57:2D:65:D2:5B:57:6D:E0:11:AC:6C:10:E4:EB:1B:A3
parm: dma_bit_mask:int
[root@yoda ~]# modinfo apex
filename: /lib/modules/5.14.0-284.30.1.el9_2.x86_64/extra/apex.ko.xz
author: John Joseph <[email protected]>
license: GPL v2
version: 1.2
description: Google Apex driver
rhelversion: 9.2
srcversion: 700E8BBBE9CC23C6EC17712
alias: pci:v00001AC1d0000089Asv*sd*bc*sc*i*
depends: gasket
retpoline: Y
name: apex
vermagic: 5.14.0-284.30.1.el9_2.x86_64 SMP preempt mod_unload modversions
sig_id: PKCS#7
signer: DKMS module signing key
sig_key: 03:9C:8D:C7:66:96:06:45:58:B9:AA:C3:F9:F8:AC:CB:B5:71:7C:24
sig_hashalgo: sha512
signature: 4D:DC:2D:9B:DA:EC:F2:71:7D:58:9B:39:87:4A:15:0E:A4:A4:23:0E:
C9:63:2F:85:B1:36:DB:45:84:F1:6A:4A:CE:E9:DA:31:2C:9C:18:32:
3E:45:A0:7C:99:36:E8:6C:F3:A4:6D:B4:7C:F5:84:57:41:DD:C4:01:
41:33:3E:57:E3:68:D2:6D:70:98:B1:C5:67:43:4D:ED:D3:A4:56:6F:
F8:DA:2F:F9:47:DF:0A:BE:9D:89:27:A0:E6:0E:20:FE:19:E8:06:65:
33:A7:14:DC:17:87:80:24:A3:3E:1E:DB:CD:84:74:6C:2A:7C:04:AF:
35:7C:F3:E1:8D:20:0D:07:5F:5E:58:A0:64:42:4E:03:E7:C2:7A:4F:
D2:93:48:9C:B1:1E:4B:31:B0:60:65:64:A8:61:75:77:96:E5:9D:5E:
8F:51:92:51:57:4B:1D:6D:DF:5D:B4:8E:0D:A9:14:F6:29:56:13:4B:
D5:86:ED:0E:24:E1:B2:E1:CB:4A:E4:E8:26:DB:10:6D:04:E0:3F:37:
B9:35:6A:75:4C:D8:10:47:D0:DC:E1:E1:C6:EE:21:ED:3F:53:11:1B:
49:33:95:87:FA:F7:3F:5F:FD:70:E9:2B:85:43:10:64:B9:ED:FD:E0:
D2:15:CC:F3:2C:72:06:A6:94:A8:47:47:D9:97:60:82
parm: allow_power_save:int
parm: allow_sw_clock_gating:int
parm: allow_hw_clock_gating:int
parm: bypass_top_level:int
parm: trip_point0_temp:int
parm: trip_point1_temp:int
parm: trip_point2_temp:int
parm: hw_temp_warn1:int
parm: hw_temp_warn2:int
parm: hw_temp_warn1_en:bool
parm: hw_temp_warn2_en:bool
parm: temp_poll_interval:int
There is almost nothing in dmesg:
[root@yoda ~]# dmesg |grep gasket
[ 1.980123] gasket: loading out-of-tree module taints kernel.
[ 1.980153] gasket: module verification failed: signature and/or required key missing - tainting kernel
[root@yoda ~]# dmesg |grep apex
and no device:
[root@yoda ~]# ls -la /dev/apex*
ls: cannot access '/dev/apex*': No such file or directory
[root@yoda ~]# lsmod |grep apex
apex 32768 0
gasket 126976 1 apex
Any suggestions?
Support
Linux
USB Accelerator
No response
Other
No response
Hi,
I've been using this driver/lkm and building a module for my Opensuse Leap 15.4 system for a year or two, so that I can run frigate in a docker container, using the /dev/apex device.
I just now though, very stupidly, updated my host to Leap 15.5, and when I tried creating a new kernel module, I get:
WARNING: modpost: "module_layout" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "system_wq" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "kmalloc_caches" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "param_ops_int" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "pci_disable_device" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "delayed_work_timer_fn" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "param_ops_bool" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "init_timer_key" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "cancel_delayed_work_sync" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: "mutex_unlock" [drivers/staging/gasket/apex.ko] undefined!
WARNING: modpost: suppressed 125 unresolved symbol warnings because there were too many)
I think that maybe OpenSUSE simply isnt supported, but I would still kindly, and desperately, ask for any help or tips that might help solve this for me?
My suse system is running : Linux kernel 5.14.21-150500.55.19-default
Implement hwmon interface for /sys/class/apex/*/temp
https://www.kernel.org/doc/html/v5.11/hwmon/hwmon-kernel-api.html
so any lmsensor / node_exporter implementations are able to monitor temperature.
How does this repo relate to what is linked on coral.ai here? It looks like this repo is more current compared to what is up on that googlesource.com.
Also are there plans to get the version updated in the Linux kernel tree?
Recent change to 6.8.0 kernel requires a minor change to gasket_interrupt.c:
diff --git a/src/gasket_interrupt.c b/src/gasket_interrupt.c
index 531d94e..8dba182 100644
--- a/src/gasket_interrupt.c
+++ b/src/gasket_interrupt.c
@@ -158,7 +158,7 @@ gasket_handle_interrupt(struct gasket_interrupt_data *interrupt_data,
read_lock(&interrupt_data->eventfd_ctx_lock);
ctx = interrupt_data->eventfd_ctxs[interrupt_index];
if (ctx)
- eventfd_signal(ctx, 1);
+ eventfd_signal(ctx);
read_unlock(&interrupt_data->eventfd_ctx_lock);
++(interrupt_data->interrupt_counts[interrupt_index]);
DKMS make.log for gasket-1.0 for kernel 6.5.3-1-pve (x86_64)
Fri Nov 3 06:21:01 PM PDT 2023
make: Entering directory '/usr/src/linux-headers-6.5.3-1-pve'
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
/var/lib/dkms/gasket/1.0/build/gasket_core.c: In function ‘gasket_register_device’:
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:41: error: passing argument 1 of ‘class_create’ from incompatible pointer type [-Werror=incompatible-pointer-types]
1841 | class_create(driver_desc->module, driver_desc->name);
| ~~~~~~~~~~~^~~~~~~~
| |
| struct module *
In file included from ./include/linux/device.h:31,
from ./include/linux/cdev.h:8,
from /var/lib/dkms/gasket/1.0/build/gasket_core.h:11,
from /var/lib/dkms/gasket/1.0/build/gasket_core.c:12:
./include/linux/device/class.h:230:54: note: expected ‘const char *’ but argument is of type ‘struct module *’
230 | struct class * __must_check class_create(const char *name);
| ~~~~~~~~~~~~^~~~
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:17: error: too many arguments to function ‘class_create’
1841 | class_create(driver_desc->module, driver_desc->name);
| ^~~~~~~~~~~~
./include/linux/device/class.h:230:29: note: declared here
230 | struct class * __must_check class_create(const char *name);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:251: /var/lib/dkms/gasket/1.0/build/gasket_core.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/usr/src/linux-headers-6.5.3-1-pve/Makefile:2037: /var/lib/dkms/gasket/1.0/build] Error 2
make: *** [Makefile:234: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-6.5.3-1-pve'
Currently, this repository uses two different versions for the debian package and the module itself.
This should be unified. Patches to the packaging should then only increment the suffix (e.g. 1.1.4-18, where 18 is the suffix).
DKMS make.log for gasket-1.0 for kernel 6.8.1-1-pve (x86_64)
Sat Apr 6 04:22:21 AM PDT 2024
make: Entering directory '/usr/src/linux-headers-6.8.1-1-pve'
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
/var/lib/dkms/gasket/1.0/build/gasket_interrupt.c: In function ‘gasket_handle_interrupt’:
/var/lib/dkms/gasket/1.0/build/gasket_interrupt.c:161:17: error: too many arguments to function ‘eventfd_signal’
161 | eventfd_signal(ctx, 1);
| ^~~~~~~~~~~~~~
In file included from /var/lib/dkms/gasket/1.0/build/gasket_interrupt.h:11,
from /var/lib/dkms/gasket/1.0/build/gasket_interrupt.c:4:
./include/linux/eventfd.h:87:20: note: declared here
87 | static inline void eventfd_signal(struct eventfd_ctx *ctx)
| ^~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:243: /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/usr/src/linux-headers-6.8.1-1-pve/Makefile:1926: /var/lib/dkms/gasket/1.0/build] Error 2
make: *** [Makefile:240: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-6.8.1-1-pve'
There is the error message:
DKMS make.log for gasket-1.0 for kernel 5.16.0-rc2 (aarch64)
Fri Dec 17 14:56:02 CST 2021
make: Entering directory '/usr/src/linux-headers-5.16.0-rc2'
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
LD [M] /var/lib/dkms/gasket/1.0/build/gasket.o
LD [M] /var/lib/dkms/gasket/1.0/build/apex.o
MODPOST /var/lib/dkms/gasket/1.0/build/Module.symvers
ERROR: modpost: module gasket uses symbol dma_buf_detach from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_put from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_get from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_unmap_attachment from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_map_attachment from namespace DMA_BUF, but does not import it.
ERROR: modpost: module gasket uses symbol dma_buf_attach from namespace DMA_BUF, but does not import it.
make[1]: *** [scripts/Makefile.modpost:134: /var/lib/dkms/gasket/1.0/build/Module.symvers] Error 1
make[1]: *** Deleting file '/var/lib/dkms/gasket/1.0/build/Module.symvers'
make: *** [Makefile:1761: modules] Error 2
make: Leaving directory '/usr/src/linux-headers-5.16.0-rc2'
Hi,
I've built a new VM today using Ubuntu 24.04 LTS which was released yesterday.
I've passed through my two Coral TPUs and am trying to install the PCIe drivers and TPU runtime as per the tutorial at https://www.derekseaman.com/2023/06/home-assistant-frigate-vm-on-proxmox-with-pcie-coral-tpu.html.
When I do so, I get this error:
Error! Bad return status for module build on kernel: 6.8.0-31-generic (x86_64)
Consult /var/lib/dkms/gasket/1.0/build/make.log for more information.
dpkg: error processing package gasket-dkms (--configure):
installed gasket-dkms package post-installation script subprocess returned error exit status 10
The full output of "more /var/lib/dkms/gasket/1.0/build/make.log" is:
DKMS make.log for gasket-1.0 for kernel 6.8.0-31-generic (x86_64)
Fri 26 Apr 15:47:23 UTC 2024
make: Entering directory '/usr/src/linux-headers-6.8.0-31-generic'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc-13 (Ubuntu 13.2.0-23ubuntu4) 13.
2.0
You are using: gcc-13 (Ubuntu 13.2.0-23ubuntu4) 13.2.0
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_core.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_ioctl.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_page_table.o
CC [M] /var/lib/dkms/gasket/1.0/build/gasket_sysfs.o
CC [M] /var/lib/dkms/gasket/1.0/build/apex_driver.o
/var/lib/dkms/gasket/1.0/build/gasket_interrupt.c: In function ‘gasket_handle_in
terrupt’:
/var/lib/dkms/gasket/1.0/build/gasket_interrupt.c:161:17: error: too many argume
nts to function ‘eventfd_signal’
161 | eventfd_signal(ctx, 1);
| ^~~~~~~~~~~~~~
In file included from /var/lib/dkms/gasket/1.0/build/gasket_interrupt.h:11,
from /var/lib/dkms/gasket/1.0/build/gasket_interrupt.c:4:
./include/linux/eventfd.h:87:20: note: declared here
87 | static inline void eventfd_signal(struct eventfd_ctx *ctx)
| ^~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:243: /var/lib/dkms/gasket/1.0/build/gasket_interrupt.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/var/lib/dkms/gasket/1.0/build/gasket_core.c: In function ‘gasket_register_device’:
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:41: error: passing argument 1 of ‘class_create’ from incompatible pointer type [-Werror=inc
ompatible-pointer-types]
1841 | class_create(driver_desc->module, driver_desc->name);
| ~~~~~~~~~~~^~~~~~~~
| |
| struct module *
In file included from ./include/linux/device.h:31,
from ./include/linux/cdev.h:8,
from /var/lib/dkms/gasket/1.0/build/gasket_core.h:11,
from /var/lib/dkms/gasket/1.0/build/gasket_core.c:12:
./include/linux/device/class.h:228:54: note: expected ‘const char *’ but argument is of type ‘struct module *’
228 | struct class * __must_check class_create(const char *name);
| ~~~~~~~~~~~~^~~~
/var/lib/dkms/gasket/1.0/build/gasket_core.c:1841:17: error: too many arguments to function ‘class_create’
1841 | class_create(driver_desc->module, driver_desc->name);
| ^~~~~~~~~~~~
./include/linux/device/class.h:228:29: note: declared here
228 | struct class * __must_check class_create(const char *name);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:243: /var/lib/dkms/gasket/1.0/build/gasket_core.o] Error 1
make[1]: *** [/usr/src/linux-headers-6.8.0-31-generic/Makefile:1926: /var/lib/dkms/gasket/1.0/build] Error 2
make: *** [Makefile:240: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-6.8.0-31-generic'
I should add that I previously had this working perfectly on 22.04 LTS on the same Proxmox host. Like many others, I found that the drivers stopped working once Proxmox and Ubuntu were updated recently. Despite many attempts, I've been unable to get the drivers to load correctly and consistently in 22.04, hence me trying out 24.04.
Am using the fork by @robertzaage on Fedora (FC38) - https://github.com/robertzaage/gasket-driver installed from copr - https://copr.fedorainfracloud.org/coprs/robertzaage/gasket-dkms.
While lspci -vvv shows my Coral Edge installed, and the apex kernel module is listed there (although gasket is not!), neither are loaded (verified with lsmod | grep -E 'gasket|apex').
Looking further, one sees in systemctl status systemd-modules-load.service these errors:
Apr 22 18:10:16 host systemd-modules-load[602]: Failed to insert module 'gasket': Key was rejected by service
Apr 22 18:10:16 host systemd-modules-load[602]: Failed to insert module 'apex': Key was rejected by service
Similar to google-coral/edgetpu#407 but for reasons beyond my control cannot disable secure boot on this system to see if that workaround solves this 😢
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