svn commit: r289834 - head/sys/x86/x86

Adrian Chadd adrian.chadd at gmail.com
Mon Oct 26 13:58:01 UTC 2015


Hi,

I'll take a photo of it when it breaks next.

Would you mind reverting it for now until we can figure it out?



-adrian


On 26 October 2015 at 05:53, Oliver Pinter
<oliver.pinter at hardenedbsd.org> wrote:
> Hi Roger!
>
> On 10/26/15, Roger Pau Monné <royger at freebsd.org> wrote:
>> El 26/10/15 a les 13.24, Adrian Chadd ha escrit:
>>> Hi,
>>>
>>> I've started seeing panics on -head with ATA code doing a dmamap load
>>> -> panic. I'll test by reverting this patch and see what happens, but
>>> when it /does/ happen I can't get a crashdump, so debugging will be
>>> less easy.
>>>
>>> Has anyone else seen this?
>>
>> I've got another report regarding ATA page-faults from Oliver Pinter.
>> The crash he was seeing was caused by bus_dmamap_load_ccb, but the calls
>> to the specific dma functions where optimized away. Can you figure out
>> which bounce_* function causes this specifically?
>
> I have already deleted the broken kernel, and I'm now running on
> kernel without this patch.
>
>>
>> Thanks, Roger.
>>
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