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From: Andrea Arcangeli <aarcange@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Nikola Ciprich <extmaillist@linuxbox.cz>,
	KVM list <kvm@vger.kernel.org>,
	nikola.ciprich@linuxbox.cz
Subject: Re: kvm-85 sometimes not starting on 2.6.30-rc5
Date: Sat, 23 May 2009 19:20:01 +0200	[thread overview]
Message-ID: <20090523172001.GA2613@random.random> (raw)
In-Reply-To: <4A10733E.5000905@redhat.com>

On Sun, May 17, 2009 at 11:27:42PM +0300, Avi Kivity wrote:
> Andrea, looks like the mother of all locks below.

eheh yes that really is the mother of all locks ;).

So the thing is, like BUG says MAX_LOCK_DEPTH is too low, to fix you
should rebuild after increasing it in include/linux/sched.h to say 96.

Likely somebody changed qemu-kvm over time in a way that allocates
more vmas than before.

  reply	other threads:[~2009-05-23 17:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-13 19:22 kvm-85 sometimes not starting on 2.6.30-rc5 Nikola Ciprich
2009-05-17 20:27 ` Avi Kivity
2009-05-23 17:20   ` Andrea Arcangeli [this message]
2009-05-24  9:47     ` Avi Kivity
2009-09-03  8:04       ` Nikola Ciprich

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