From: "H. Peter Anvin" <hpa@linux.intel.com>
To: Peter Hurley <peter@hurleysoftware.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [Bisected][-next-20130204+] [x86/kvm] udevd:[97]: segfault at ffffffffff5fd020 ip 00007fff069e277f sp 00007fff068c9ef8 error d
Date: Tue, 12 Feb 2013 16:39:03 -0800 [thread overview]
Message-ID: <511AE0A7.2000101@linux.intel.com> (raw)
In-Reply-To: <1360715210.31472.20.camel@thor.lan>
On 02/12/2013 04:26 PM, Peter Hurley wrote:
> With -next-20130204+ in ubuntu 12.10 VM (so the 80x25 VGA
> device/console):
>
> [ 0.666410] udevd[97]: starting version 175
> [ 0.674043] udevd[97]: udevd:[97]: segfault at ffffffffff5fd020 ip 00007fff069e277f sp 00007fff068c9ef8 error d
>
> and boots to an initramfs prompt.
>
> git bisect (log attached) blames:
>
> commit 7b5c4a65cc27f017c170b025f8d6d75dabb11c6f
> Merge: 3596f5b 949db15
> Author: H. Peter Anvin <hpa@linux.intel.com>
> Date: Fri Jan 25 16:31:21 2013 -0800
>
> Merge tag 'v3.8-rc5' into x86/mm
>
> The __pa() fixup series that follows touches KVM code that is not
> present in the existing branch based on v3.7-rc5, so merge in the
> current upstream from Linus.
>
> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
>
>
> This only happens with the VGA device/console but that is the default
> configuration for Ubuntu/KVM because it blacklists pretty much every fb
> driver.
>
I am guessing this is another bad use of __pa()... need to look into that.
-hpa
next prev parent reply other threads:[~2013-02-13 0:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-13 0:26 [Bisected][-next-20130204+] [x86/kvm] udevd:[97]: segfault at ffffffffff5fd020 ip 00007fff069e277f sp 00007fff068c9ef8 error d Peter Hurley
2013-02-13 0:39 ` H. Peter Anvin [this message]
2013-02-13 10:51 ` Gleb Natapov
2013-02-13 11:57 ` Peter Hurley
2013-02-18 22:59 ` Marcelo Tosatti
2013-02-19 1:12 ` Peter Hurley
2013-02-19 8:26 ` Gleb Natapov
2013-02-20 17:20 ` Peter Hurley
2013-02-24 21:23 ` Peter Hurley
2013-02-27 19:43 ` Marcelo Tosatti
2013-02-27 20:28 ` [PATCH] x86/kvm: Fix pvclock vsyscall fixmap Peter Hurley
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