Re: kernel BUG at drivers/xen/grant-table.c:923!

[David Vrabel <david.vrabel@citrix.com>]

On 17/04/15 11:28, Ian Campbell wrote:
> (Was Re: [osstest test] 50423: regressions - FAIL)
> 
> This cropped up in an osstest flight (the results only go to Ian and I).
> 
> On Fri, 2015-04-17 at 11:10 +0100, Ian Campbell wrote:
>> On Thu, 2015-04-16 at 21:36 +0000, osstest service user wrote:
>>> flight 50423 osstest real [real]
>>> http://logs.test-lab.xenproject.org/osstest/logs/50423/
>>>
>>> Regressions :-(
>>>
>>> Tests which did not succeed and are blocking,
>>> including tests which could not be run:
>>>  test-armhf-armhf-xl          15 guest-start/debian.repeat fail REGR. vs. 50331
>>
>>
>> Looks to have been a real issue:
>>
>> http://logs.test-lab.xenproject.org/osstest/logs/50423/test-armhf-armhf-xl/serial-cubietruck-gleizes.log
>> Apr 14 19:01:21.834851 [ 1229.470934] ------------[ cut here ]------------
>> Apr 14 19:01:22.445308 [ 1229.471001] kernel BUG at drivers/xen/grant-table.c:923!
> 
> This seems familiar, anyone remember it? (CCing ARM, netback and generic
> Linux maintainers).

This doesn't look familiar to me.  What BUG_ON() is this?

David