From: Avi Kivity <avi@redhat.com>
To: Andrea Arcangeli <aarcange@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: Sun, 24 May 2009 12:47:49 +0300 [thread overview]
Message-ID: <4A1917C5.6080004@redhat.com> (raw)
In-Reply-To: <20090523172001.GA2613@random.random>
Andrea Arcangeli wrote:
> 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.
>
It does, we now have a vma for each discontiguous memory region (640K,
vga bios, bios, 1M+ memory, framebuffer, 4G+ memory).
Still, we have a lot more vmas in qemu for the various dynamic
libraries, etc. I'm surprised it made such a difference.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-05-24 9:48 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
2009-05-24 9:47 ` Avi Kivity [this message]
2009-09-03 8:04 ` Nikola Ciprich
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