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From: Matthew Wilcox <willy@infradead.org>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	kernel test robot <oliver.sang@intel.com>,
	oe-lkp@lists.linux.dev, lkp@intel.com,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [linus:master] [mm/mmap]  0503ea8f5b: kernel_BUG_at_mm/filemap.c
Date: Mon, 27 Feb 2023 03:52:12 +0000	[thread overview]
Message-ID: <Y/wo7H+ZZzFoEqvk@casper.infradead.org> (raw)
In-Reply-To: <20230227031756.v57rhicna3tjbavw@revolver>

On Sun, Feb 26, 2023 at 10:17:56PM -0500, Liam R. Howlett wrote:
> Are you sure about this bisection?  I'm not saying it isn't my fault or
> looking to blame others, but I suspect we are indeed looking at the
> wrong commit here.

I concur.  Looking at the backtrace, I think it's more likely to be
a pagecache, swapcache or shmfs issue.  I'll look more in the morning.

> >         bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
> > 
> >         # if come across any failure that blocks the test,
> >         # please remove ~/.lkp and /lkp dir to run from a clean state.
> > 
> 
> This does not work for me.  Since my last use of lkp it seems something
> was changed and now -watchdog is not recognized by my qemu and so my
> attempts to reproduce this are failing.  Is there a way to avoid using
> the -watchdog flag?  Running the command by hand fails as it seems some
> files are removed on exit?

https://www.qemu.org/docs/master/about/removed-features.html

-watchdog (since 7.2)

Use -device instead.

(I have no idea what this means, but maybe it's a clue?)

  reply	other threads:[~2023-02-27  3:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <202302252122.38b2139-oliver.sang@intel.com>
2023-02-27  3:17 ` [linus:master] [mm/mmap] 0503ea8f5b: kernel_BUG_at_mm/filemap.c Liam R. Howlett
2023-02-27  3:52   ` Matthew Wilcox [this message]
2023-03-01  7:31   ` Oliver Sang

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