Re: LibPATA code issues / 2.6.15.4

[Mark Lord <lkml@rtr.ca>]

Mark Lord wrote:
> Justin Piszcz wrote:
> > > Using 2.6.16-rc5-git4 and removing a directory of around 5.0GB of 
> > > files while streaming a 1MB/s video stream on another (SATA disk), 
> > > the I/O seemed to freeze up for a moment and I got this error:
> > >
> > > [4342671.839000] ata1: command 0x35 timeout, stat 0x50 host_stat 0x22
> > >
> > > Only 1 in dmesg, any idea what causes this error?
> >
> > The drive it occured on was a 74GB raptor on an ICH5 controller.
> >
> > [4294673.245000]   Vendor: ATA       Model: WDC WD740GD-00FL  Rev: 33.0
> > 0000:00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA 
> > Controller (rev 02)
>
> SCSI opcode 0x35 is SYNCHRONIZE_CACHE.

Oh, wait a sec.. on that path, libata actually does show the ATA opcode,
which would have been WRITE_DMA_EXT.  Not an FUA command.

Dunno what it's complaining about, though.
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