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

[Oliver Pinter]

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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