From: Herbert Xu <herbert@gondor.apana.org.au>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: Oops in tun: bisected to Limit amount of queued packets per device
Date: Thu, 9 Apr 2009 17:38:17 +0800 [thread overview]
Message-ID: <20090409093817.GA5760@gondor.apana.org.au> (raw)
In-Reply-To: <200904090952.01175.borntraeger@de.ibm.com>
On Thu, Apr 09, 2009 at 09:52:01AM +0200, Christian Borntraeger wrote:
>
> with my kvm test scenario on s390 I get the following oops:
> Unable to handle kernel pointer dereference at virtual kernel address 0000000400000000
> Oops: 003b [#1] SMP
> Modules linked in: kvm dm_multipath sunrpc qeth_l2 dm_mod qeth ccwgroup
> CPU: 0 Not tainted 2.6.29-kvm-06607-ga317a1e-dirty #8
> Process kuli (pid: 14827, task: 00000000b3df8138, ksp: 00000000b4703a98)
> Krnl PSW : 0404e00180000000 0000000000171278 (__lock_acquire+0x3d4/0x191c)
This is weird. It looks like it's dying on the wake_up_interruptible_sync
in tun_sock_write_space. However, I can't see how that can cause this.
Were you in the middle of removing the tun module?
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2009-04-09 9:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-09 7:52 Oops in tun: bisected to Limit amount of queued packets per device Christian Borntraeger
2009-04-09 9:38 ` Herbert Xu [this message]
2009-04-09 10:39 ` Christian Borntraeger
2009-04-15 14:30 ` Andreas Schwab
2009-04-22 20:34 ` Andreas Schwab
2009-04-23 0:17 ` Herbert Xu
2009-04-23 10:08 ` Andreas Schwab
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