linux-kernel - Re: [BUG][s390x] mm: system crashed

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Date:	Thu, 18 Apr 2013 09:13:03 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Zhouping Liu <zliu@...hat.com>
Cc:	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
	caiqian <caiqian@...hat.com>, Caspar Zhang <czhang@...hat.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [BUG][s390x] mm: system crashed

On Thu, Apr 18, 2013 at 02:27:45AM -0400, Zhouping Liu wrote:
> Hello Heiko,
> > If you have some time, could you please repeat your test with the kernel
> > command line option " user_mode=home "?
> 
> I tested the system with the kernel parameter, but the issue still appeared,
> I just to say it takes longer time to reproduce the issue than the before.
> 
> > 
> > As far as I can tell there was only one s390 patch merged that was
> > mmap related: 486c0a0bc80d370471b21662bf03f04fbb37cdc6 "s390/mm: Fix crst
> > upgrade of mmap with MAP_FIXED".
> 
> also I tested the revert commit, unluckily, the same issue as the before.

Ok, thanks for verifying! I'll look into it; hopefully I can reproduce it
here as well.

Thanks!

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