[lkml]   [2003]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Linux 2.5.73 - panic (freed memory) on CD-Recorder errors
On Mon, Jun 23 2003, Pavel Roskin wrote:
> Hello!
> I have been experiencing kernel panics with 2.5.x kernels when writing
> oversized images like Knoppix to low-quality CDs using the IDE driver
> without SCSI emulation.
> Finally I have found a very simple way to reproduce the panic immediately
> and without sacrificing a blank CD. Just try writing over a recorded disc
> in the dummy mode (i.e. with the laser turned off).
> I have captured the panic on the serial console. cdrecord was running on
> that terminal as well, so you see the order in which it happened. The
> kernel .config file and the kernel messages (without serial console being
> active) are attached.
> This panic occurred on Linux 2.5.73, but I remember the same function
> names in the stack trace with older 2.5.x kernels when I was writing
> Knoppix.
> Note 6b6b6b6b in the eax and esi registers and on the stack. That must be
> freed memory. __end_that_request_first() is a static function in
> drivers/block/ll_rw_blk.c

That doesn't look good. I'll try and reproduce + fix here, thanks for
the report.

Jens Axboe

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:36    [W:0.062 / U:4.912 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site