[fedora-arm] Re: armhfp builder instability

On 05/15/2018 01:34 PM, Fabiano Fidêncio wrote:
> On Tue, May 15, 2018 at 1:06 PM, Peter Robinson <pbrobinson@gmail.com> wrote:
>> On Tue, May 15, 2018 at 12:02 PM, Florian Weimer <fweimer@redhat.com> wrote:
>>> Lately, I've seen quite a few spurious build failures. Random SIGBUS is
>>> particularly common, and gcc reports that it cannot reproduce the SIGBUS in
>>> a second compilation, which usually points to a kernel/hardware issue.
>>>
>>> The latest problem was a hang during a build (on
>>> buildvm-armv7-07.arm.fedoraproject.org), with this kernel:
>>>
>>> Linux buildvm-armv7-07.arm.fedoraproject.org 4.16.6-302.fc28.armv7hl+lpae #1
>>> SMP Tue May 1 23:15:35 UTC 2018 armv7l armv7l armv7l GNU/Linux
>>>
>>> This affects multiple builders, so I suspect a kernel issue, not dying
>>> hardware because AFAIK, the machines are independent.
>>>
>>> The issue also affects copying out the log files for Koji, so they probably
>>> do not show the actual place of the hang.
>>
>> There's a stability issue post upgrade, the upgrades moved the
>> underlying hypervisors to RHEL 7.5 and the build VMs to Fedora 28 at
>> the same time, the issue is known and is being investigated/worked
>> upon.
>>
>
> As I'm facing what seems to be the very same issue
> (https://koji.fedoraproject.org/koji/taskinfo?taskID=26957996), I'd
> like to ask whether there's a ticket/bug/issue opened for this that I
> could follow and get some notification when it's solved.

It turns out there already was a kernel bug, which I just made public:

https://bugzilla.redhat.com/show_bug.cgi?id=1576593

Thanks,
Florian
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