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[Xen-devel] Re: some old xl bugs

To: "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>
Subject: [Xen-devel] Re: some old xl bugs
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Thu, 26 May 2011 16:21:23 +0100
Cc: Konrad, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
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thanks for the remainder

On Thu, 26 May 2011, Zhang, Yang Z wrote:
> Hi Stefano
> Here is some xl related bugs which opened for long time and I didn't see 
> anyone working on them. I retest them with latest xen upstream and all of 
> them are still exist.
> 1. [XL]Fail to create multi-guests with NIC assigned
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1761
> xm don't have the issue.

from the logs:

*** glibc detected *** xl: malloc(): memory corruption (fast):

it appears to be triggered by libxl_domain_create_new.
Could you please add some more debug messages to xl and libxl to find
out exactly what causes the memory corruption?

> 3. [XL]"xl vcpu-set" causes dom0 crash or panic                    
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1730
> This is a regression which I found during Xen 4.1 release cycle testing.

This one is pretty bad. Konrad, I have the feeling somebody else
reported a similar bug recently... 

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