Re: [Qemu-devel] [PATCH target-arm v3 04/15] arm: xlnx-zynqmp: Add GIC

[Peter Crosthwaite]

On Wed, Mar 18, 2015 at 7:06 PM, Paolo Bonzini <address@hidden> wrote:
>
>
> On 18/03/2015 14:11, Peter Crosthwaite wrote:
>> So I actually bisected this as a recent regression on:
>>
>> commit a464982499b2f637f6699e3d03e0a9d2e0b5288b (refs/bisect/bad)
>> Author: Paolo Bonzini <address@hidden>
>> Date:   Wed Feb 11 17:15:18 2015 +0100
>>     rcu: run RCU callbacks under the BQL
>>     This needs to go away sooner or later, but one complication is the
>>     complex VFIO data structures that are modified in instance_finalize.
>>     Take a shortcut for now.
>>
>>     Reviewed-by: Michael Roth <address@hidden>
>>     Tested-by: Michael Roth <address@hidden>
>>     Signed-off-by: Paolo Bonzini <address@hidden>
>>
>> Segfault backtrace:
>
> Please rebase to 2.3.0-rc0 to weed out the two problems related to early
> qemu_mutex_lock_iothread() (this one, and the breakage of -daemonize).
>

So I am fully up to date with my baseline but the bug still replicates
intermittently. I did however notice during the bisect that the
failure probability did improve later in the history probably due to
the patches you refer to.

I have a replicator handy if needed?

Regards,
Peter


> Paolo
>