Re: 2.6.19-rc5-mm2

From: Mattia Dongili
Date: Thu Nov 16 2006 - 15:40:14 EST


On Thu, Nov 16, 2006 at 07:29:35PM +0100, Stefan Richter wrote:
> Mattia Dongili wrote:
> > got the following when removing ohci1394 (also happens in -mm1),
> ...
> > ieee1394: Node removed: ID:BUS[0-00:1023] GUID[080046030227e7bb]
> > ieee1394: Node removed: ID:BUS[20754571-38:0391] GUID[00000000f8eb5067]
>
> Hm, there is garbage in this node data. Moreover, your full logs show
> that there was never another node added besides the host node. IOW the
> second "Node removed" line shouldn't be there. Very strange.
>
> > BUG: unable to handle kernel NULL pointer dereference at virtual address 000000a4
> ...
> > EIP is at class_device_remove_attrs+0xd/0x34
> ...
>
> Could you also test one or even better both of:
> - 2.6.19-rc5 plus
> http://me.in-berlin.de/~s5r6/linux1394/updates/2.6.19-rc5/2.6.19-rc5_ieee1394_v204_experimental.patch.bz2
> (these are the same FireWire drivers as in -rc5-mm2)

the oops disappear

> and/ or
> - 2.6.19-rc5-mm2 minus
> http://www.it.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc5/2.6.19-rc5-mm2/broken-out/git-ieee1394.patch

the oops is there again.
I suppose git-ieee1394 is the one then...

dmesg:
http://oioio.altervista.org/linux/2.6.19-rc5-test1-ok
http://oioio.altervista.org/linux/2.6.19-rc5-mm2-1-ko

next step (smells like bisection) if for tomorrow :)
--
mattia
:wq!
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