Re: [Xen-devel] [BUG] kernel bug encountered at drivers/net/xen-netback/netback.c:430!

["Alex Braunegg" <alex.braunegg@xxxxxxxxx>]

> How easy is it to trigger this? I'm assuming, from the original description, 
> that I can probably trigger it by forcibly terminating a running domain and 
> then trying to restart it.

For me the trigger was just having 2 VM's running and then within 24 hr's one 
would crash with the debug data sent to console / dmesg. I didn’t have to do 
anything special to trigger it - nor did I try / attempt to trigger it.

When attempting to restart the crashed VM (using xl) - that’s when I got the 
additional xl messages & the server rebooted.

> This breaks compilation of xen-netback with older compilers.
>    >From kbuild bot with gcc-4.4.7:

My Xen version (and all packages other packages including the kernel) are built 
/ rebuilt using gcc 4.6.2 so I don’t think I am hitting this gcc issue that the 
patch fixed.

Best regards,

Alex




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