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

[Roger Pau Monné]

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?

Thanks, Roger.