From: "Jan Beulich" <JBeulich@suse.com>
To: Anthony PERARD <anthony.perard@citrix.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
Stefano Stabellini <sstabellini@kernel.org>
Subject: Re: qemu-upstream triggering OOM killer
Date: Thu, 16 Feb 2017 08:23:19 -0700 [thread overview]
Message-ID: <58A5D1F7020000780013ACFE@prv-mh.provo.novell.com> (raw)
In-Reply-To: <20170214145600.GB1698@perard.uk.xensource.com>
>>> On 14.02.17 at 15:56, <anthony.perard@citrix.com> wrote:
> On Fri, Feb 10, 2017 at 02:54:23AM -0700, Jan Beulich wrote:
>> Not so far. It appears to happen when grub clears the screen
>> before displaying its graphical menu, so I'd rather suspect an issue
>> with a graphics related change (the one you pointed out isn't).
>
> I tried to reproduce this, by limiting the amount of memory available to
> qemu using cgroups, but about 44MB of memory is enough to boot a guest
> (tried Ubuntu and Debian).
Okay, not a qemuu regression after all, but a libxc one. It just so
happens that qemut tries to allocate a much larger amount, which
triggers mmap() failure earlier and hence doesn't manage to trigger
the oom killer. Patch (almost) on its way.
Jan
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next prev parent reply other threads:[~2017-02-16 15:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-09 14:57 qemu-upstream triggering OOM killer Jan Beulich
2017-02-09 22:24 ` Stefano Stabellini
2017-02-10 9:54 ` Jan Beulich
2017-02-14 14:56 ` Anthony PERARD
2017-02-15 9:07 ` Jan Beulich
2017-02-16 15:23 ` Jan Beulich [this message]
2017-02-16 16:28 ` Jan Beulich
2017-02-16 18:38 ` Stefano Stabellini
2017-02-17 7:08 ` Jan Beulich
2017-02-17 18:39 ` Stefano Stabellini
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