Control: tag -1 moreinfo On Sun, 2017-09-10 at 09:03 +0200, Klaus-J. Wolf wrote: > Package: src:linux > Version: 4.9.30-2+deb9u3 > Severity: important > > For unknown reason, kworker/1:1 stalls with exactly 100% CPU load on CPU > kernel 1. This has happened thrice before, after several hours of uptime. > > Nothing special happened on the machine in advance, just the usual tasks. > > lsof tells me no suspicious open files, but the kernel task has used > up 317:47.60 according to top(1) and it never seems to stop. I have > terminated every user task, so I would suppose that the kernel task has > crashed for some reason. > > In the kernel log below, I have deleted the lines showing blocked > network, this is for privacy reasons. > > -- Package-specific info: > ** Version: > Linux version 4.9.0-3-amd64 (debian-kernel@lists.debian.org) (gcc version 6.3.0 20170516 (Debian 6.3.0-18) ) #1 SMP Debian 4.9.30-2+deb9u3 (2017-08-06) > > ** Command line: > BOOT_IMAGE=/vmlinuz-4.9.0-3-amd64 root=UUID=b073140f-d246-4131-9015-636ceb35b3b1 ro quiet > > ** Tainted: PO (4097) > * Proprietary module has been loaded. > * Out-of-tree module has been loaded. [...] Please test whether this still happens without the Nvidia and VirtualBox kernel modules loaded. Ben. -- Ben Hutchings Make three consecutive correct guesses and you will be considered an expert.
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