Fwd: Re: UML kernel crash of v2.6.36-rcX kernel

[Toralf FÃrster]

forget to Cc the LKML
-- 
MfG/Kind regards
Toralf FÃrster

pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

> --- Begin Message ---
> I can reproduce this behaviour with an UML kernel linux-v2.6.36-rc7-153-
> g0acc1b2 if I start the UML guest (an almost stable Gentoo) and then run from 
> the host system (Gentoo too) this:
> Â> wget http://n22_uml/phpsysinfo/
> - where n22_uml is the guest and the side is an PHP application : 
> http://phpsysinfo.sourceforge.net/
>
> It is not related to PHP and/or apache b/c phpmyadmin works fine. I argue that 
> sth is wrong with the reading of /proc and/sys files b/c that is the main part 
> of phpsysinfo.
>
> Furthermore it is a regression b/c 2.6.35 UML kernel works fine.
>
> Here's the kernel info :
>
>  * Starting local ...                                                                                                 
> [ ok ]
> Kernel panic - not syncing: Kernel mode fault at addr 0x4, ip 0x80dc41a
> 082ecb44:  [<0827380b>] dump_stack+0x22/0x24
> 082ecb5c:  [<08273870>] panic+0x63/0x167
> 082ecb84:  [<0805e282>] segv+0x1e2/0x2b0
> 082ecc3c:  [<0805e391>] segv_handler+0x41/0x60
> 082ecc5c:  [<0806ea54>] sig_handler_common+0x54/0xa0
> 082eccd8:  [<0806ebf7>] sig_handler+0x27/0x50
> 082ecce8:  [<0806ee4c>] handle_signal+0x5c/0xa0
> 082ecd0c:  [<080711c8>] hard_handler+0x18/0x20
> 082ecd1c:  [<b7862400>] 0xb7862400
>
>
> EIP: 0073:[<40000812>] CPU: 0 Not tainted ESP: 007b:bfba8c6c EFLAGS: 00000212
>     Not tainted
> EAX: ffffffda EBX: 08059be8 ECX: 00000054 EDX: bfba8c9c
> ESI: 08059bd8 EDI: 40166ff4 EBP: bfba8c78 DS: 007b ES: 007b
> 082ecaf8:  [<08075e4d>] show_regs+0xed/0x120
> 082ecb14:  [<0805e5cc>] panic_exit+0x2c/0x50
> 082ecb24:  [<08099c1e>] notifier_call_chain+0x3e/0x70
> 082ecb4c:  [<08099ca3>] atomic_notifier_call_chain+0x23/0x30
> 082ecb5c:  [<08273898>] panic+0x8b/0x167
> 082ecb84:  [<0805e282>] segv+0x1e2/0x2b0
> 082ecc3c:  [<0805e391>] segv_handler+0x41/0x60
> 082ecc5c:  [<0806ea54>] sig_handler_common+0x54/0xa0
> 082eccd8:  [<0806ebf7>] sig_handler+0x27/0x50
> 082ecce8:  [<0806ee4c>] handle_signal+0x5c/0xa0
> 082ecd0c:  [<080711c8>] hard_handler+0x18/0x20
> 082ecd1c:  [<b7862400>] 0xb7862400
>
> Terminated
>
> -- 
> MfG/Kind regards
> Toralf FÃrster
>
> pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
>
>
> --- End Message ---