From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [bug report] locking/qrwlock, arm64: Move rwlock implementation over to qrwlocks causes CPU crashes/stalls when killing java processes
Date: Thu, 26 Apr 2018 09:33:14 +0100 [thread overview]
Message-ID: <20180426083313.GF27583@arm.com> (raw)
In-Reply-To: <CACgAJHwemngF4XgfTvWkjANYoWO-=HTKrJmJg8VonJPCR8ZxrQ@mail.gmail.com>
On Fri, Apr 13, 2018 at 08:32:24PM -0700, Tai Tri Nguyen wrote:
> I tried to remove wfe from cmpwait and still could reproduce the issue.
Hmm, then I'm afraid I'm not sure what else to suggest. You've obviously
got a lot of contention on the tasklist_lock on the exit path, but I can't
say why it's acting so slowly. If you get more information, please share
it!
Will
prev parent reply other threads:[~2018-04-26 8:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-12 17:10 [bug report] locking/qrwlock, arm64: Move rwlock implementation over to qrwlocks causes CPU crashes/stalls when killing java processes Tai Tri Nguyen
2018-04-12 17:24 ` Will Deacon
2018-04-12 17:49 ` Tai Tri Nguyen
2018-04-14 3:32 ` Tai Tri Nguyen
2018-04-26 8:33 ` Will Deacon [this message]
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