Difficulty playing DVDs under AHCI/CAM?
avg at icyb.net.ua
Sat Aug 28 17:38:39 UTC 2010
on 28/08/2010 20:30 Garrett Wollman said the following:
> After a recent upgrade, I switched to AHCI/CAM for my SATA devices,
> including a new DVD drive. Now I find that nothing can play DVDs any
> more. For example, here's what mplayer does:
> 8469 initial thread CALL close(0x4)
> 8469 initial thread RET close 0
> 8469 initial thread CALL read(0x3,0x7fffffffb4d0,0x800)
> 8469 initial thread RET read -1 errno 6 Device not configured
> ...say what? Why is the cd driver suddenly returning ENXIO?
Can you dtrace this read? You can use combination of syscall and fbt providers
with execname predicate.
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