netdev - Re: more... iproute2/htb/whatever critical bug ?

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Message-Id: <20070327155922.M1237@visp.net.lb>
Date:	Tue, 27 Mar 2007 19:00:43 +0300
From:	"Denys" <denys@...p.net.lb>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Stephen Hemminger <shemminger@...ux-foundation.org>,
	netdev@...r.kernel.org
Subject: Re: more... iproute2/htb/whatever critical bug ?

Hi again

Looks like everything is fine, i will deploy at few NAS today night and will 
see if there any issues. Both oops what i gave, is it related to this bug?
No need to dig anything else?

On Tue, 27 Mar 2007 17:10:36 +0200, Patrick McHardy wrote
> Denys wrote:
> > Mar 26 21:20:04 ROUTER-75 [  551.481081] BUG: unable to handle kernel 
NULL 
> > pointer dereference
> > Mar 26 21:20:04 ROUTER-75 at virtual address 00000074
> > Mar 26 21:20:04 ROUTER-75 [  551.481187]  printing eip:
> > Mar 26 21:20:04 ROUTER-75 [  551.481236] f8a11df1
> > Mar 26 21:20:04 ROUTER-75 [  551.481289] *pde = 00000000
> > Mar 26 21:20:04 ROUTER-75 [  551.481340] Oops: 0000 [#1]
> > Mar 26 21:20:04 ROUTER-75 [  551.481384]
> > Mar 26 21:20:04 ROUTER-75 SMP
> > Mar 26 21:20:04 ROUTER-75
> > Mar 26 21:20:04 ROUTER-75 [  551.481549] Modules linked in:
> > .... long module list
> > ar 26 21:20:04 ROUTER-75 [  551.485237] CPU:    0
> > Mar 26 21:20:04 ROUTER-75 [  551.485238] EIP:    0060:[<f8a11df1>]    Not 
> > tainted VLI
> > Mar 26 21:20:04 ROUTER-75 [  551.485239] EFLAGS: 00010282   (2.6.20.3-
build-
> > 0001 #4)
> > Mar 26 21:20:04 ROUTER-75 [  551.485438] EIP is at htb_qlen_notify+0x9/
0x79 
> > [sch_htb]
> 
> Oops, that seems to be my fault. Can you please try the attached patch?
> To reproduce the problem you need to have packets queued while the
> device is going down, so please make sure that is true by flooding
> the device or something like that.


--
Virtual ISP S.A.L.

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