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RE: [Xen-users] Badness in softirq.c / no modules loaded / related tonet

To: "Nick Craig-Wood" <nick@xxxxxxxxxxxxxx>, <sebastian@xxxxxxxxxxxxx>
Subject: RE: [Xen-users] Badness in softirq.c / no modules loaded / related tonetwork interface
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Mon, 9 May 2005 20:09:38 +0100
Cc: ian.pratt@xxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-users] Badness in softirq.c / no modules loaded / related tonetwork interface
> On Fri, May 06, 2005 at 06:40:33PM +0200, 
> sebastian@xxxxxxxxxxxxx wrote:
> > I have a porblem with the unprivileged kernel. When I start 
> my domain 
> > using the unprivileged kernel I get the message:
> > 
> > Badness in local_bh_enable at kernel/softirq.c:140  [<c011f3c0>] 
> > local_bh_enable+0x80/0x90  [<c0223089>] skb_checksum+0x129/0x2a0  
> > [<c026736c>] udp_poll+0x9c/0x150  [<c021e409>] sock_poll+0x29/0x40  
> > [<c016ba3e>] do_select+0x25e/0x2d0  [<c016b630>] 
> __pollwait+0x0/0xd0  
> > [<c016bd9f>] sys_select+0x2bf/0x4d0  [<c01093f4>] 
> syscall_call+0x7/0xb

Are these messages coming out on the dom0 or domU console? 

Can you repeat on 2.0-testing or unstable?

Does anyone see this that's using a NIC other than an e1000?

Thanks,
Ian
 
> We are still having this problem too.  We only have it on 
> some hosts, not others so its related to some activity in the 
> domUs - we haven't figured out what though.  The backtrace 
> suggests UDP traffic
> 
> I'm prety sure we didn't miscompile our modules - I 
> disassembled them to check for cli/sti.  The kernel was compiled using
> 
>   make-kpkg --arch xen --append_to_version -xen 
> --revision=2.6.11 kernel_image
> 
> We see this with the e1000 driver, using kernel 2.6.11.7 + 
> debian patches + xen stable 2.0.5, on dell poweredge 750 hardware.
> 
> No functionality appears to be affected, other than 1000s of 
> these messages in the log.
> 
> --
> Nick Craig-Wood <nick@xxxxxxxxxxxxxx> -- 
> http://www.craig-wood.com/nick
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 

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