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Re: [Xen-devel] x86_64 eth0 e1000_clean_tx_irq tx hang

To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] x86_64 eth0 e1000_clean_tx_irq tx hang
From: Adam Wendt <adam@xxxxxxxxxxx>
Date: Wed, 08 Feb 2006 15:06:41
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Ah, finally people experiencing same bug as me!

It is much much worse for me, as soon as I ping from domU network goes down,
started with the subarch change.

Adam Wendt
IPCoast, Inc.

On Wed, 8 Feb 2006 12:11 , Chris Wright <chrisw@xxxxxxxxxxxx> sent:

>* Ian Pratt (m+Ian.Pratt@xxxxxxxxxxxx) wrote:
>> Yep, this is the bug I warned y'all about at the summit, but you asked
>> for the code to be checked in anyway... 
>Hehe, get what you ask for...
>> A bug shared is a bug fixed quicker? :-)
>Let's hope ;-)
>> For us, this only manifests on x86_64, and arrived with the subarch xen
>> version of 2.6.12. Extensive inspection of the arch->subarch conversion
>> suggests that nothing should have changed, so this is likely a latent
>> bug being triggered by slight timing changes.
>> It sounds like it's rather easier for you to trigger than it was for us
>> -- we had to run xm-test several times to get it to happen. Happy
>> hunting, and good luck :-)
>It's trivial for me to trigger.  I'll keep poking at it.
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