Re: [Xen-devel] BUG: unable to handle kernel NULL pointer dereference - xen_spin_lock_flags

["Christopher S. Aker" <caker@xxxxxxxxxxxx>]

On Feb 13, 2012, at 5:41 PM, Christopher S. Aker wrote:
> Network stress testing (iperf, UDP, bidirectional) the above stack reliably 
> BUGs on both 3.0.4 and 3.2.5, and on both IGB or e1000e NICs with the 
> following:
> 
> BUG: unable to handle kernel NULL pointer dereference at 00000474
> IP: [<c100e967>] xen_spin_lock_flags+0x27/0x70

This happens regardless of CONFIG_PARAVIRT_SPINLOCKS enabled or disabled.

-Chris


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