UML problems / kernel panic

UML problems / kernel panic

[Nico Schottelius]

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Hello!

Sometimes when I "boot" 2.6.11.11/um, I get the following error:

--------------------------------------------------------------
VFS: Mounted root (jfs filesystem) readonly.
cinit-0.1 booting...
Kernel panic - not syncing: write of switch_pipe failed, err = 9

EIP: 0073:[<a03858b2>] CPU: 0 Not tainted ESP: 007b:a0c676b4 EFLAGS: 00000286
    Not tainted
EAX: 00000000 EBX: 00000001 ECX: a0c67754 EDX: a0c676d4
ESI: 00000008 EDI: 0000000a EBP: a0c676bc DS: 007b ES: 007b
Call Trace:
a0c6fa30:  [<a004df6d>]
a0c6fa40:  [<a023c7f6>]
a0c6fa50:  [<a003b8c1>]
a0c6fa64:  [<a001b430>]
a0c6fa70:  [<a002156e>]
a0c6fab0:  [<a03c8d45>]
a0c6fb00:  [<a0055e3a>]
a0c6fb20:  [<a0051d95>]
a0c6fb30:  [<a001d74f>]
a0c6fb40:  [<a0371b40>]
a0c6fb7c:  [<a0038700>]
a0c6fb9c:  [<a0038700>]
a0c6fbc8:  [<a0051ae0>]
a0c6fbd0:  [<a0055bb5>]
a0c6fc04:  [<a0055af0>]
a0c6fc10:  [<a001aab8>]
a0c6fc1c:  [<a0385984>]
a0c6fc28:  [<a0055af0>]
a0c6fc38:  [<a001aa80>]
a0c6fcd4:  [<a0055af0>]
a0c6fce0:  [<a00217db>]
a0c6fce4:  [<a0055af0>]
a0c6fd20:  [<a0385858>]
a0c6fd60:  [<a03858b2>]

 sleeping process 8915 got unexpected signal : 11

--------------------------------------------------------------

I don't know why this happens, as it is not always happening.

Nico

-- 
Keep it simple & stupid, use what's available.
Please use pgp encryption: 8D0E 27A4 is my id.
http://nico.schotteli.us | http://linux.schottelius.org

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Re: UML problems / kernel panic

[Jeff Dike]

On Wed, Jun 22, 2005 at 12:17:07PM +0200, Nico Schottelius wrote:
> Hello!
> 
> Sometimes when I "boot" 2.6.11.11/um, I get the following error:
> 
> --------------------------------------------------------------
> VFS: Mounted root (jfs filesystem) readonly.
> cinit-0.1 booting...
> Kernel panic - not syncing: write of switch_pipe failed, err = 9

That bug has been fixed since 2.6.11.

				Jeff

Re: UML problems / kernel panic

[Nico Schottelius]

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Hello!

Jeff wrote:
> That bug has been fixed since 2.6.11.

Do you mean 2.6.12?

I am using 2.6.11.11:

Linux version 2.6.11.11 (root@pc-it-nico) (gcc version 3.3.6
(Debian 1:3.3.6-6)) #5 Tue Jun 14 10:36:13 CEST 2005

Nico

-- 
Keep it simple & stupid, use what's available.
Please use pgp encryption: 8D0E 27A4 is my id.
http://nico.schotteli.us | http://linux.schottelius.org

[-- Attachment #2: Type: application/pgp-signature, Size: 827 bytes --]

Re: UML problems / kernel panic

[Jeff Dike]

On Wed, Jun 22, 2005 at 04:43:01PM +0200, Nico Schottelius wrote:
> Do you mean 2.6.12?

This is the fix:

http://groups-beta.google.com/group/linux.kernel/browse_thread/thread/377cd92692a1e241/7985846c17410e06?q=%22jeff+dike%22&rnum=50&hl=en#7985846c17410e06

>From the filenames in the patch, I was working against rc3 at the time,
so it probably went into mainline around rc4 or so.

				Jeff