Re: Waiting for bufdaemon

From: Rainer Hurling <rhurlin_at_gwdg.de>
Date: Fri, 15 Jan 2021 19:48:58 +0100
Am 15.01.21 um 16:45 schrieb Konstantin Belousov:
> On Fri, Jan 15, 2021 at 04:30:19PM +0100, Mikaël Urankar wrote:
>> On 15/01/2021 16:02, Konstantin Belousov wrote:
>>> On Fri, Jan 15, 2021 at 03:56:01PM +0100, Mikaël Urankar wrote:
>>>> On 15/01/2021 11:26, Jakob Alvermark wrote:
>>>>> Hi,
>>>>>
>>>>>
>>>>> When rebooting my thinkpad the 'bufdaemon' times out:
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufdaemon' to stop ... timed
>>>>> out
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-0' to stop
>>>>> ... timed out
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-1' to stop
>>>>> ... timed out
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-2' to stop
>>>>> ... timed out
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-3' to stop
>>>>> ... timed out
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-4' to stop
>>>>> ... timed out
>>>>>
>>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-5' to stop
>>>>> ... timed out
>>>>>
>>>>>
>>>>> This started happening recently (within the last week I think).
>>>>
>>>> Hi,
>>>>
>>>> I'm also affected. I have an AMD Ryzen 9 3900X cpu, running bare metal.
>>>>
>>>> 5844bd058aed6f3d0c8cbbddd6aa95993ece0189 (jobc: rework detection of orphaned
>>>> groups) "seems" ok
>>>>
>>>> cd240c9cf100bec3def38ceb4a320611b1d02693 (x86 vdso gettc: Add RDTSCP
>>>> support), affected by the timeout.
>>>>
>>>> I haven't tried the intermediate commit yet.
>>>>
>>>> My intel machine doesn't seem to be affected
>>>
>>> If you revert only 9e680e4005b7, is it fixed ?
>>>
>> Yes it seems to be fixed with 9e680e4005b7 reverted (I've only done 2 tests,
>> I can do more if you want)
> Please show me the output from sysctl
> kern.timecounter
> kern.eventtimer
> and first 100 lines of dmesg from the verbose boot (that contains the CPU
> ident lines).


I also have this timeout issue only on AMD, here Ryzen 3950X:

[...]
Waiting for PIDS: 2905
90 seconds watchdog timeout expired. Shutdown terminated.
Fri Jan 15 19:21:01 xxxxxx init[1]: /etc/rc.shutdown terminated
abnormally, going to single user mode
Fri Jan 15 19:21:01 xxxxxx syslogd: exiting on signal 15
wg0: link state changed to DOWN
Waiting (max 69 seconds) for system process `vnlru' to stop... done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining... 22 23 23 1 1 0 0 0 done
Waiting (max 60 seconds) for system thread `bufdaemon' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-0' to stop...
done
Waiting (max 60 seconds) for system thread `bufspacedaemon-1' to stop...
done
Waiting (max 60 seconds) for system thread `bufspacedaemon-2' to stop...
done
Waiting (max 60 seconds) for system thread `bufspacedaemon-3' to stop...
timeout
Waiting (max 60 seconds) for system thread `bufspacedaemon-4' to stop...
timeout
Waiting (max 60 seconds) for system thread `bufspacedaemon-5' to stop...
done
Waiting (max 60 seconds) for system thread `bufspacedaemon-6' to stop...


You will find the wanted output from sysctl and boot -v in the attachment.

HTH,
Rainer Hurling

Received on Fri Jan 15 2021 - 17:49:08 UTC

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