All of lore.kernel.org
 help / color / mirror / Atom feed
From: Olaf Hering <olh@suse.de>
To: linux-kernel@vger.kernel.org
Subject: Re: 2.6.16-rc5-git14 crash in spin_bug on ppc64
Date: Fri, 10 Mar 2006 21:55:33 +0100	[thread overview]
Message-ID: <20060310205532.GA15596@suse.de> (raw)
In-Reply-To: <20060310173842.GA14924@suse.de>

 On Fri, Mar 10, Olaf Hering wrote:

> 
> I got this crash while hunting some other bug. dualcore 970mp. 
> 
> Welcome to SUSE Linux Enterprise Server 9.90 Beta7 (ppc) - Kernel 2.6.16-rc5-git
> 14-ppc64-defconfig (console).
> 
> 
> wels login: BUG: spinlock bad magic on CPU#1, gdm/4568
> cpu 0x1: Vector: 300 (Data Access) at [c0000000f3c2f5c0]
>     pc: c00000000020a7ec: .spin_bug+0x94/0x100

c0000000f40001f0 is *lock at 0xc0000000f217b738:
1:mon> d c0000000f40001f0
c0000000f40001f0 ffff000000000000 ffff000000000000  |................|
c0000000f4000200 ffff000000000000 ffff000000000000  |................|
c0000000f4000210 ffff000000000000 ffff000000000000  |................|
c0000000f4000220 ffff000000000000 ffff000000000000  |................|



anon_vma_link() *vma is 
1:mon> d c0000000f217b6b8 100
c0000000f217b6b8 c0000000f4c51800 000000000f6e5000  |.............nP.|
c0000000f217b6c8 000000000f6e9000 0000000000000000  |.....n..........|
c0000000f217b6d8 0000000000000113 0000000000100073  |...............s|
c0000000f217b6e8 c0000000f4edde78 0000000100000000  |.......x........|
c0000000f217b6f8 c000000007960d18 c00000000ff799a8  |................|
c0000000f217b708 c0000000f217cde8 c0000000f217cde8  |................|
c0000000f217b718 0000000000000000 c0000000f4f644a8  |..............D.|
c0000000f217b728 c0000000f4f64518 c0000000f4000208  |......E.........|
c0000000f217b738 c0000000f40001f0 c000000000607600  |.............`v.|
c0000000f217b748 000000000000007b c0000000f953fc80  |.......{.....S..|
c0000000f217b758 0000000000000000 0000000000000000  |................|
c0000000f217b768 c0000000f2186180 00000000f7fe1000  |......a.........|
c0000000f217b778 00000000f7fff000 c0000000f9127088  |..............p.|
c0000000f217b788 0000000000000117 0000000000000875  |...............u|
c0000000f217b798 c00000000ff79d18 0000000000000000  |................|
c0000000f217b7a8 0000000000000000 0000000000000000  |................|
1:mon> 

The whole area looks broken:


1:mon> d c0000000f4000000 400
c0000000f4000000 ffff000000000000 ffff000000000000  |................|
c0000000f4000010 ffff000000000000 ffff000000000000  |................|
...
c0000000f4000260 ffff000000000000 ffff000000000000  |................|
c0000000f4000270 ffff000000000000 ffff000000000000  |................|
c0000000f4000280 c0000000f4000280 c0000000f4000280  |................|
c0000000f4000290 00000000dead4ead ffffffff00000000  |......N.........|
c0000000f40002a0 ffffffffffffffff c0000000f40002a8  |................|
c0000000f40002b0 c0000000f40002a8 00000000dead4ead  |..............N.|
c0000000f40002c0 ffffffff00000000 ffffffffffffffff  |................|
c0000000f40002d0 c0000000f4f58a98 c0000000f4f58a98  |................|
c0000000f40002e0 00000000dead4ead ffffffff00000000  |......N.........|
c0000000f40002f0 ffffffffffffffff c0000000f21eaf68  |...............h|
c0000000f4000300 c0000000f21eaf68 00000000dead4ead  |.......h......N.|
c0000000f4000310 ffffffff00000000 ffffffffffffffff  |................|
c0000000f4000320 c0000000f4000320 c0000000f4000320  |....... ....... |
c0000000f4000330 00000000dead4ead ffffffff00000000  |......N.........|
c0000000f4000340 ffffffffffffffff c0000000f4000348  |...............H|
c0000000f4000350 c0000000f4000348 00000000dead4ead  |.......H......N.|
c0000000f4000360 ffffffff00000000 ffffffffffffffff  |................|
c0000000f4000370 c0000000f4000370 c0000000f4000370  |.......p.......p|
c0000000f4000380 00000000dead4ead ffffffff00000000  |......N.........|
c0000000f4000390 ffffffffffffffff c0000000f4442ca8  |.............D,.|
c0000000f40003a0 c0000000f4efeb48 00000000dead4ead  |.......H......N.|
c0000000f40003b0 ffffffff00000000 ffffffffffffffff  |................|
c0000000f40003c0 c0000000f40003c0 c0000000f40003c0  |................|
c0000000f40003d0 00000000dead4ead ffffffff00000000  |......N.........|
c0000000f40003e0 ffffffffffffffff c00000000f335e08  |.............3^.|
c0000000f40003f0 c00000000f3979e8 00000000dead4ead  |.....9y.......N.|


      reply	other threads:[~2006-03-10 20:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-10 17:38 2.6.16-rc5-git14 crash in spin_bug on ppc64 Olaf Hering
2006-03-10 20:55 ` Olaf Hering [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20060310205532.GA15596@suse.de \
    --to=olh@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.