From: Michael Ellerman <mpe@ellerman.id.au>
To: Eryu Guan <eguan@redhat.com>
Cc: linuxppc-dev@lists.ozlabs.org, liwan@redhat.com
Subject: Re: [v4.12-rc1 regression] mount ext4 fs results in kernel crash on PPC64le host
Date: Thu, 29 Jun 2017 22:13:08 +1000 [thread overview]
Message-ID: <8760ff9eln.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20170629103347.GR23360@eguan.usersys.redhat.com>
Eryu Guan <eguan@redhat.com> writes:
> On Thu, Jun 29, 2017 at 08:27:11PM +1000, Michael Ellerman wrote:
>> Eryu Guan <eguan@redhat.com> writes:
>>
>> > Hi all,
>> >
>> > Li Wang and I are constantly seeing ppc64le hosts crashing due to bad
>> > page access. But it's not reproducing on every ppc64le host we've
>> > tested, but it usually happened in filesystem testings.
>>
>> <snip>
>>
>> > And I've confirmed that reverting above commit 'resolves' the crash.
>>
>> Do you mean ~v4.12-rc7 with that commit reverted still triggers the
>> crash?
>
> Correct. I also confirmed that reverting it when it was HEAD also fixed
> the crash.
OK. The former, reverting it on top of mainline is more informative.
cheers
prev parent reply other threads:[~2017-06-29 12:13 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-28 8:32 [v4.12-rc1 regression] mount ext4 fs results in kernel crash on PPC64le host Eryu Guan
2017-06-28 17:16 ` Balbir Singh
2017-06-29 3:41 ` Eryu Guan
2017-06-29 8:47 ` Balbir Singh
2017-06-29 9:04 ` Eryu Guan
2017-06-29 10:05 ` Eryu Guan
2017-06-29 11:12 ` Michael Ellerman
2017-06-29 11:39 ` Eryu Guan
2017-06-29 12:06 ` kworker with empty task->cpus_allowed (was Re: [v4.12-rc1 regression] mount ext4 fs results in kernel crash on PPC64le host) Michael Ellerman
2017-06-29 13:59 ` Eryu Guan
2017-06-29 14:24 ` Tejun Heo
2017-06-30 1:08 ` Michael Ellerman
2017-06-30 11:56 ` Tejun Heo
2017-06-30 10:07 ` Michael Ellerman
2017-06-30 11:47 ` Eryu Guan
2017-07-04 6:26 ` Michael Ellerman
2017-07-04 8:21 ` Eryu Guan
2017-07-04 11:06 ` Michael Ellerman
2017-07-04 12:12 ` Eryu Guan
2017-06-29 4:54 ` [v4.12-rc1 regression] mount ext4 fs results in kernel crash on PPC64le host Michael Ellerman
2017-06-29 10:27 ` Michael Ellerman
2017-06-29 10:33 ` Eryu Guan
2017-06-29 12:13 ` Michael Ellerman [this message]
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