[BUG] crash - module radio-sf16fmr2 and esp interfere

[BUG] crash - module radio-sf16fmr2 and esp interfere

[devzero]

same with radio-sf16fmr2 and esp

after repeatedly modrpobe/modprobe -r  radio-sf16fmr2,  i can hang my system when loading esp afterwards

before loading esp, doing a "cat /proc/ioport" segfaults

this is with 2.6.24rc6 and also with 2.6.22

i have found these issues by running some (probably sick :D )  module load/unload test across all modules 


> -----Ursprüngliche Nachricht-----
> Von: devzero@web.de
> Gesendet: 01.01.08 21:46:30
> An: linux-kernel@vger.kernel.org
> Betreff: Re: [BUG] crash - module l440gx buggy ? interfere

> 
> same/similar behaviour with 
> 
> l440gx and container
> l440gx and acpiphp
> 
> after load of l440gx, container and acpiphp modules do also hang my system on load/unload.
> 
> maybe l440gx leaving the system in some weird state after probe ?
> 
> 
> > -----Ursprüngliche Nachricht-----
> > Von: <devzero@web.de>
> > Gesendet: 01.01.08 20:57:08
> > An: linux-kernel@vger.kernel.org
> > Betreff: [BUG] crash - modules l440gx and parport_pc interfere
> 
> 
> > 
> > there seems some weird interference between l440gx and parport_pc modules
> > 
> > i can reproduceable crash my box by either:
> > 
> > modprobe parport_pc;modprobe l440gx;rmmod parport_pc
> > 
> > or
> > 
> > modprobe l440gx; modprobe parport_pc;rmmod parport_pc
> > 
> > this happens on 2.6.24rc6 and also older kernel (2.6.22)
> > 
> > nothing in dmesg - just 
> > >JEDEC: Found no L440GX BIOS device at location zero
> > >JEDEC probe on BIOS chip failed. Using ROM
> > 
> > because i haven`t appropriate hardware.
> > 
> > don`t know if this is a bug in parport_pc or l440gx but maybe its worth reporting.
> > 
> > regards
> > roland
> 
> 


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Re: [BUG] crash - module radio-sf16fmr2 and esp interfere

[Randy Dunlap]

On Wed, 02 Jan 2008 01:19:33 +0100 devzero@web.de wrote:

> same with radio-sf16fmr2 and esp
> 
> after repeatedly modrpobe/modprobe -r  radio-sf16fmr2,  i can hang my system when loading esp afterwards
> 
> before loading esp, doing a "cat /proc/ioport" segfaults
> 
> this is with 2.6.24rc6 and also with 2.6.22
> 
> i have found these issues by running some (probably sick :D )  module load/unload test across all modules 
> 

Hi,
Please provide more kernel crash info, as listed in the
REPORTING-BUGS file in the top-level directory of the kernel
source tree.

Thanks.

> > -----Ursprüngliche Nachricht-----
> > Von: devzero@web.de
> > Gesendet: 01.01.08 21:46:30
> > An: linux-kernel@vger.kernel.org
> > Betreff: Re: [BUG] crash - module l440gx buggy ? interfere
> 
> > 
> > same/similar behaviour with 
> > 
> > l440gx and container
> > l440gx and acpiphp
> > 
> > after load of l440gx, container and acpiphp modules do also hang my system on load/unload.
> > 
> > maybe l440gx leaving the system in some weird state after probe ?
> > 
> > 
> > > -----Ursprüngliche Nachricht-----
> > > Von: <devzero@web.de>
> > > Gesendet: 01.01.08 20:57:08
> > > An: linux-kernel@vger.kernel.org
> > > Betreff: [BUG] crash - modules l440gx and parport_pc interfere
> > 
> > 
> > > 
> > > there seems some weird interference between l440gx and parport_pc modules
> > > 
> > > i can reproduceable crash my box by either:
> > > 
> > > modprobe parport_pc;modprobe l440gx;rmmod parport_pc
> > > 
> > > or
> > > 
> > > modprobe l440gx; modprobe parport_pc;rmmod parport_pc
> > > 
> > > this happens on 2.6.24rc6 and also older kernel (2.6.22)
> > > 
> > > nothing in dmesg - just 
> > > >JEDEC: Found no L440GX BIOS device at location zero
> > > >JEDEC probe on BIOS chip failed. Using ROM
> > > 
> > > because i haven`t appropriate hardware.
> > > 
> > > don`t know if this is a bug in parport_pc or l440gx but maybe its worth reporting.
> > > 
> > > regards
> > > roland


---
~Randy
desserts:  http://www.xenotime.net/linux/recipes/

Re: [BUG] crash - module radio-sf16fmr2 and esp interfere

[devzero]

> > same with radio-sf16fmr2 and esp
> > 
> > after repeatedly modrpobe/modprobe -r  radio-sf16fmr2,  i can hang my system when loading esp afterwards
> > 
> > before loading esp, doing a "cat /proc/ioport" segfaults
> > 
> > this is with 2.6.24rc6 and also with 2.6.22
> > 
> > i have found these issues by running some (probably sick :D )  module load/unload test across all modules 
> > 
> 
> Hi,
> Please provide more kernel crash info, as listed in the
> REPORTING-BUGS file in the top-level directory of the kernel
> source tree.

thanks for the pointer, i will mind that in the future.


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