Blair,
I should clarify that I am *now* aware of your support case =D
For anyone willing to run a systemtap the following should give us more
information about the problem.
stap --all-modules -e 'probe kernel.function("handle_bad_sector"){
printf("handle_bad_sector(): ARGS is %s\n",$$parms$$); print_backtrace()}'
In order to run this you will need to install some non-trivial packages such as
the kernel debuginfo package and kernel-devel. This is generally best
accomplished as follows, at least on rpm based systems.
(yum|dnf) install systemtap
stap-prep
The systemtap needs to be running when the error is generated as it monitors
calls to "handle_bad_sector" which is the function generating the error message.
Once that function is called the probe will dump all information about the bio
structure passed as a parameter to "handle_bad_sector" as well as dumping the
call stack. This would give us a good idea of the specific code involved.
On Sat, Jul 22, 2017 at 9:45 AM, Brad Hubbard <[email protected]> wrote:
> On Sat, Jul 22, 2017 at 9:38 AM, Blair Bethwaite
> <[email protected]> wrote:
>> Hi Brad,
>>
>> On 22 July 2017 at 09:04, Brad Hubbard <[email protected]> wrote:
>>> Could you share what kernel/distro you are running and also please test
>>> whether
>>> the error message can be triggered by running the "blkid" command?
>>
>> I'm seeing it on RHEL7.3 (3.10.0-514.2.2.el7.x86_64). See Red Hat
>> support case #01891011 for sosreport etc.
>
> Thanks Blair,
>
> I'm aware of your case and the Bugzilla created from it and we are
> investigating further.
>
>>
>> No, blkid does not seem to trigger it. So far I haven't figured out
>> what does. It seems to be showing up roughly once for each disk every
>
> Thanks, that appears to exclude any link to an existing Bugzilla that
> was suggested as being related.
>
>> 1-2 weeks, and there is a clear time correlation across the hosts
>> experiencing it.
>>
>> --
>> Cheers,
>> ~Blairo
>
>
>
> --
> Cheers,
> Brad
--
Cheers,
Brad
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