Comments (6)
metan-ucw
commented on July 30, 2024
That is strange, either the per-user limit on inotify fds or per-process limit on open file descriptors was hit. My guess is the former, can you check what is the per user limit set to in /proc/sys/fs/inotify/max_user_instances and check if there isn't a process that used up all the inotify fds? (see for example http://unix.stackexchange.com/questions/13751/kernel-inotify-watch-limit-reached)
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jstancek
commented on July 30, 2024
Do you have this patch? https://patchwork.kernel.org/patch/8953231/
The link to logs and setup doesn't work for me:
$ wget https://openqa.suse.de/tests/539803
--2016-09-06 11:50:07-- https://openqa.suse.de/tests/539803
Resolving openqa.suse.de (openqa.suse.de)... failed: Name or service not known.
wget: unable to resolve host address ‘openqa.suse.de’
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metan-ucw
commented on July 30, 2024
Ah that's the test that calls inotify_init() and close() in a loop and tends to fail on certain kernels because the inotify watch was being destroyed lazily in the kernel.
If that is the case increasing the /proc/sys/fs/inotify/max_user_instances to be greater than 400 should work like temporary workaround.
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mnowaksuse
commented on July 30, 2024
@jstancek I believe I have it: http://kernel.suse.com/cgit/kernel/commit/?h=SLE12-SP2&id=35e481761cdc688dbee0ef552a13f49af8eba6cc. Log: runltp.log.txt.
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jstancek
commented on July 30, 2024
I don't think that commit is on SLE12-SP2 branch, because that branch is not a typical linux tree, but rather only patch files:
$ git branch
* SLE12-SP2
ll
total 956
drwxrwxr-x. 6 jstancek jstancek 57 Sep 6 14:21 config
-rw-rw-r--. 1 jstancek jstancek 582 Sep 6 14:21 config.conf
-rw-rw-r--. 1 jstancek jstancek 17987 Sep 6 14:21 COPYING
drwxrwxr-x. 2 jstancek jstancek 103 Sep 6 14:21 doc
drwxrwxr-x. 6 jstancek jstancek 74 Sep 6 14:21 kabi
drwxrwxr-x. 2 jstancek jstancek 4096 Sep 6 14:21 patches.apparmor
drwxrwxr-x. 2 jstancek jstancek 57344 Sep 6 14:21 patches.arch
drwxrwxr-x. 2 jstancek jstancek 196608 Sep 6 14:21 patches.drivers
drwxrwxr-x. 2 jstancek jstancek 28672 Sep 6 14:21 patches.fixes
drwxrwxr-x. 2 jstancek jstancek 4096 Sep 6 14:21 patches.kernel.org
drwxrwxr-x. 2 jstancek jstancek 93 Sep 6 14:21 patches.rpmify
drwxrwxr-x. 2 jstancek jstancek 61440 Sep 6 14:21 patches.suse
-rw-rw-r--. 1 jstancek jstancek 12360 Sep 6 14:21 README
-rw-rw-r--. 1 jstancek jstancek 402 Sep 6 14:21 README.BRANCH
drwxrwxr-x. 2 jstancek jstancek 4096 Sep 6 14:21 rpm
drwxrwxr-x. 4 jstancek jstancek 4096 Sep 6 14:21 scripts
-rw-rw-r--. 1 jstancek jstancek 369103 Sep 6 14:21 series.conf
-rw-rw-r--. 1 jstancek jstancek 107185 Sep 6 14:21 supported.conf
drwxrwxr-x. 6 jstancek jstancek 72 Sep 6 14:21 sysctl
$ grep EMFILE -r .
./patches.suse/dmapi-source.patch:+ return(-EMFILE);
./patches.suse/memcg-introduce-low-limit-for-cgroupv1.patch:+ .private = MEMFILE_PRIVATE(_MEM, RES_LOW_LIMIT),
./patches.suse/memcg-introduce-low-limit-for-cgroupv1.patch: .private = MEMFILE_PRIVATE(_MEM, RES_FAILCNT),
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mnowaksuse
commented on July 30, 2024
@jstancek You are right, we don't have it, I'll go with what @metan-ucw proposed.
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