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From: Meelis Roos <>
To: James Bottomley <>
	Linux Kernel list <>
Subject: Re: 2.6.38-rc3 regression on parisc: segfaults
Date: Fri, 4 Feb 2011 00:36:32 +0200 (EET)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

> > I have been testing devel kernels on SMP L1000 successfully until 
> > 2.6.38-rc2-00324-g70d1f36 included. The testing means booting the new 
> > kernel and running aptitude to update to current debian unstable.
> > 
> > Now I tried 2.6.38-rc3 and got a crash from aptitude on 2 out of 2 
> > tries. Maybe aptitude was broken inbetween but it looks like a kernel 
> > bug. Retried 2.6.38-rc2-00324-g70d1f36 and that seemed to work fine so 
> > it's more likely a kernel problem.
> > 
> > What additional information can I provide?
> Probably a bisection, if you could.  There have been no parisc patches
> between -rc2 and -rc3, so it's coming from outside the architecture.

The result is strange :(

6b28405395f7ec492ea69f541cc774adcb9e00ca is the first bad commit
commit 6b28405395f7ec492ea69f541cc774adcb9e00ca
Author: Axel Köllhofer <>
Date:   Sat Jan 22 14:33:50 2011 -0600

    staging: r8712u: Add new device IDs

    This patch adds several new device ids to the r8712u staging driver.
    The new ids were retrieved from latest vendor driver (v2.
    downloadable from

    Signed-off-by: Axel Koellhofer <>
    Signed-off-by: Larry Finger <>
    Cc: Stable <> [2.6.37]
    Signed-off-by: Greg Kroah-Hartman <>

:040000 040000 185c3d2c1e98cc99009bfb772ed0779410784110 f5aa903931116f28f803003f594fec3b2a29a6f6 M      drivers

Seems absolutely unrelated - I do not have staging enabled so so no 
CONFIG_R8712U either.

The "bad" bisects were clearly bad and failed quicky during aptitude 
list update but the good ones might have needed more stress... or it is 
some alignment-like problem. Will try again starting from these bad 
bisects to narrow it down, and stress seemingly good ones better.

Meelis Roos (

  reply	other threads:[~2011-02-03 22:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-01 22:00 2.6.38-rc3 regression on parisc: segfaults Meelis Roos
2011-02-01 22:12 ` James Bottomley
2011-02-03 22:36   ` Meelis Roos [this message]
2011-02-01 22:16 ` Carlos O'Donell
2011-02-03  2:24 ` John David Anglin
2011-02-03  7:03   ` Meelis Roos
2011-02-04 10:11   ` Meelis Roos
2011-02-04 15:07     ` John David Anglin
2011-02-04 15:20       ` Carlos O'Donell
2011-02-04 16:17         ` John David Anglin

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