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SubjectRe: [1/6] 2.6.21-rc4: known regressions
On Tue, Mar 20, 2007 at 11:24:41AM +0100, Tobias Diedrich wrote:
> Adrian Bunk wrote:
> > This email lists some known regressions in Linus' tree compared to 2.6.20.
>
> Since I didn't see any mention of this:
>
> I'm seeing an Oops when removing the ohci1394 module:
>
> [ 16.047275] ieee1394: Node removed: ID:BUS[158717321-38:0860] GUID[c033ced600000000]
> [ 16.047287] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000094
> [ 16.047451] printing eip:
> [ 16.047524] c02daf3d
> [ 16.047527] *pde = 00000000
> [ 16.047603] Oops: 0000 [#1]
> [ 16.047676] PREEMPT
> [ 16.047788] Modules linked in: backlight ohci1394 parport_pc parport
> [ 16.048069] CPU: 0
> [ 16.048071] EIP: 0060:[<c02daf3d>] Not tainted VLI
> [ 16.048074] EFLAGS: 00010246 (2.6.21-rc4 #35)
> [ 16.048298] EIP is at class_device_remove_attrs+0xa/0x30
> [ 16.048377] eax: dfd04338 ebx: 00000000 ecx: df655988 edx: 00000000
> [ 16.048456] esi: 00000000 edi: dfd04338 ebp: 00000000 esp: df506e38
> [ 16.048535] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
> [ 16.048614] Process rmmod (pid: 1455, ti=df506000 task=df6cc0b0 task.ti=df506000)
> [ 16.048693] Stack: dfd04338 dfd04340 00000000 c02db02f 00000000 dfd04338 dfd041e4 c0331871
> [ 16.049159] 00000000 c02db065 dfd041b0 c0331858 c055006d 0975d589 00000026 0000035c
> [ 16.049626] 00000000 c033ced6 00000000 df24c000 c0331879 c02d859f df24c0bc df24c0bc
> [ 16.050091] Call Trace:
> [ 16.050233] [<c02db02f>] class_device_del+0xcc/0xfa
> [ 16.050352] [<c0331871>] __nodemgr_remove_host_dev+0x0/0xb
>...
> [ 16.057248] EIP: [<c02daf3d>] class_device_remove_attrs+0xa/0x30 SS:ESP 0068:df506e38
>...

You missed the following entry in my list [1]:

Subject : Oops in __nodemgr_remove_host_dev
References : http://lkml.org/lkml/2007/3/14/4
http://lkml.org/lkml/2007/3/18/87
Submitter : Ismail Dönmez <ismail@pardus.org.tr>
Stefan Richter <stefanr@s5r6.in-berlin.de>
Thomas Meyer <thomas@m3y3r.de>
Caused-By : Greg Kroah-Hartman <gregkh@suse.de>
commit 43cb76d91ee85f579a69d42bc8efc08bac560278
commit 40cf67c5fcc513406558c01b91129280208e57bf
Handled-By : Stefan Richter <stefanr@s5r6.in-berlin.de>
Status : problem is being debugged


cu
Adrian

[1] not meant as an offence - there are so many items in the list
that it's easy to miss one

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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