Re: SATA
:Sascha Wildner wrote:
:> Hello,
:>
:> what's the state of SATA support in DFly? For my SATA disk I get:
:>
:> ad4: DMA limited to UDMA33, non-ATA66 cable or device
:> ad4: 190782MB <WDC WD2000JD-55HBB0> [387621/16/63] at ata2-master UDMA33
:>
:
:This may not strictly be a SATA problem. I've been having that error message this
:week with a 30gb PATA drive, though it only started after a BIOS upgrade to my mobo
:which added SATA features. This problem also causes a read error "resetting device"
:message to show up during normal disk activity, and a far less frequent reset because
:of a write error.
You can ignore the cable warning for the SATA drivers, it's because right
now the ATA driver is not making the distinction and probing a bit that
is not relevant to SATA. The speed is also not relevant, you will get
the full speed out of it.
Re: your occassional read and write errors. I tracked Jonathon
McKitrick's remaining problems to his clock going crazy and so I am also
going to ask you to monitor your clock too.
So, run that ATA Patch #6 I posted yesterday, and also run the clock
munging detector patch 'Patch to detect 8254 timer munging in BIOS
calls...'. I would like to commit the ATA and the timer stuff tomorrow
(hopefully I can run down Andreas's 1-hour-off report today).
-Matt
Matthew Dillon
<dillon@backplane.com>
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