On Mon, Nov 25, 2019 at 2:53 AM Benjamin Kaduk wrote:
> > * I suspect that perhaps the issue is due to the latest kernel version,
> > because I have run similar patterns a few weeks ago on an older kernel (but
> > still from the `5.x` family), but can't say for sure;
>
> I see the diagnostics and
On Tue, Nov 19, 2019 at 01:53:59PM +0200, Ciprian Dorin Craciun wrote:
>
> My setup is as follows:
>
> * OpenSUSE Tumbleweed, kernel 5.3.9-1-default, client package
> `openafs-client` and `openafs-kmp-default` at `1.8.5_k5.3.9_1-1.3` as
> provided by OpenSUSE;
>
> * `afsd` parameters (neither me
On Wed, Nov 20, 2019 at 7:49 PM Mark Vitale wrote:
> > The following are the arguments of `fileserver`:
> > -syslog -sync always -p 4 -b 524288 -l 524288 -s 1048576 -vc 4096 -cb
> > 1048576 -vhandle-max-cachesize 32768 -jumbo -udpsize 67108864
> > -sendsize 67108864 -rxmaxmtu 9000 -rxpck 4096 -bus
> On Nov 20, 2019, at 12:17 PM, Ciprian Dorin Craciun
> wrote:
>
>
>> Do you have FileLogs and/or fileserver audit logs for the time in question?
>
> Yes, I do have access to them.
>
> The following is the syslog output from OpenAFS server in a 5 minute
> time-window to the stacktrace sent
On Wed, Nov 20, 2019 at 7:03 PM Mark Vitale wrote:
> Thank you for the backtraces. I agree that 'gm' is the problematic thread;
> it appears to be stuck in rxi_WriteProc waiting for the Rx packet transmit
> window
> to advance. That is, it's waiting for acknowledgments - probably from the
> fi
Ciprian,
> On Nov 19, 2019, at 4:37 PM, Ciprian Dorin Craciun
> wrote:
>
> On Tue, Nov 19, 2019 at 10:38 PM Ciprian Dorin Craciun
> wrote:
>> At the following link you can find an extract of `dmesg` after the
>> sysrq trigger.
>>
>>
>> https://scratchpad.volution.ro/ciprian/f89fc32a0bbd0ae6
On Tue, Nov 19, 2019 at 10:38 PM Ciprian Dorin Craciun
wrote:
> At the following link you can find an extract of `dmesg` after the
> sysrq trigger.
>
>
> https://scratchpad.volution.ro/ciprian/f89fc32a0bbd0ae6d6f3edbbc3ee111c/b9c3bc4f795bbe9e7eaca93b0a57bea0.txt
I forgot to mention that in th
On Tue, Nov 19, 2019 at 5:10 PM Ciprian Dorin Craciun
wrote:
> > # echo t > /proc/sysrq-trigger
At the following link you can find an extract of `dmesg` after the
sysrq trigger.
https://scratchpad.volution.ro/ciprian/f89fc32a0bbd0ae6d6f3edbbc3ee111c/b9c3bc4f795bbe9e7eaca93b0a57bea0.txt
(I h
On Tue, Nov 19, 2019 at 5:06 PM Mark Vitale wrote:
> If you had a true soft lockup, there should be some information in the syslog.
I don't think it was a "softlokup" as per Linux kernel terminology, as
it would have been detected by the kernel. (But still it took all my
cores to 100% in kernel
Ciprian,
> On Nov 19, 2019, at 6:53 AM, Ciprian Dorin Craciun
> wrote:
>
> A few days ago I have encountered a very strange OpenAFS client issue that
> basically exhibits in two ways:
>
> * either the processes accessing the file-system get "stuck" reading (or
> perhaps opening) the files; (al
A few days ago I have encountered a very strange OpenAFS client issue that
basically exhibits in two ways:
* either the processes accessing the file-system get "stuck" reading (or
perhaps opening) the files; (although if one waits "long" enough, sometimes
those processes will finally complete thei
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