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Re: [libvirt] Regarding libvirtd crash in virDomainLookupByName(..) similar to bug 903238/915353/924756



On Mon, Jul 15, 2013 at 05:52:13PM +0000, Udayan Bapat (ubapat) wrote:
> Hello All,
> 
> 
> I work in Cisco Virtualization team and I found this email list from libvirt.org
> 
> We are hitting a random libvirtd crash with a traceback during guest shutdown -
> 
> 
> #3  0x00007f4a34a2d4ad in malloc_printerr (action=2, str=0x7f4a34acb682 "corrupted double-linked list", ptr=<value optimized out>) at malloc.c:5949
> #4  0x00007f4a34a2d58c in malloc_consolidate (av=<value optimized out>) at malloc.c:4852
> #5  0x00007f4a34a2f83c in _int_malloc (av=0x7f4a34cffa20, bytes=262320) at malloc.c:4184
> #6  0x00007f4a34a310dc in __libc_calloc (n=<value optimized out>, elem_size=<value optimized out>) at malloc.c:3901
> #7  0x00007f4a3620469f in virAlloc () from /auto/mcp-project97/mcp_dev/BLD-BLD_MCP_DEV_LATEST_20130609_000113/linkfarm/x86_64/usr/lib64/libvirt.so.0
> #8  0x00007f4a3626e93c in prepareCall () from /auto/mcp-project97/mcp_dev/BLD-BLD_MCP_DEV_LATEST_20130609_000113/linkfarm/x86_64/usr/lib64/libvirt.so.0
> #9  0x00007f4a36271463 in call () from /auto/mcp-project97/mcp_dev/BLD-BLD_MCP_DEV_LATEST_20130609_000113/linkfarm/x86_64/usr/lib64/libvirt.so.0
> #10 0x00007f4a362624d2 in remoteDomainLookupByName () from /auto/mcp-project97/mcp_dev/BLD-BLD_MCP_DEV_LATEST_20130609_000113/linkfarm/x86_64/usr/lib64/libvirt.so.0
> #11 0x00007f4a3624d09f in virDomainLookupByName () from /auto/mcp-project97/mcp_dev/BLD-BLD_MCP_DEV_LATEST_20130609_000113/linkfarm/x86_64/usr/lib64/libvirt.so.0
> 
> 
> I believe this TB is quite similar to the one reported by various Redhat bugs mentioned in the subject. We are running libvirt version 0.8.4. I understand this issue has been fixed in the later versions of libvirt but due to business reasons, we are not able to upgrade it yet. Hence I was trying to look for a patch that might have fixed the issue.
> 
> 
> I found this link that supposedly describes the patch but it is not accessible to people outside red hat network (I think!)
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=915353
> 
> 
> It would be really helpful if you could point me out a patch if it exists!
> 

  Try git commits
   f1b4021b38f9485c50d386af6f682ecfc8025af5
and
   81621f3e6e45e8681cc18ae49404736a0e772a11

Daniel

-- 
Daniel Veillard      | Open Source and Standards, Red Hat
veillard redhat com  | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | virtualization library  http://libvirt.org/


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