[ZFS] Problems with SATA disks (SET TRANSFERT MODE ...)

[Dag-Erling Smørgrav]

"Romain LE DISEZ" <ml.freebsd-fs at ledisez.net> writes:
> But, when I try to copy a lot of little files (eg: the source tree), I get
> the following messages on console :
> ad6: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout -
> completing request directly
> ad6: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout -
> completing request directly
> ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue timeout - completing
> request directly
> ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue timeout - completing
> request directly
> ad6: WARNING - SET_MULTI taskqueue timeout - completing request directly
> ad6: FAILURE - FLUSHCACHE timed out
> [...]
> I don't know if it's a bug from the controller, the ATA driver or ZFS.

I have the same problem with two different Promise chips.  It's not
limited to ZFS, though ZFS seems to make it worse.

DES
-- 
Dag-Erling Smørgrav - des at des.no