We are closing this bug report because it lacks the information we need
to investigate the problem, as described in the previous comments.
Please reopen it if you can give us the missing information, and don't
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Thank you for taking the time to report this bug and helping to make
Ubuntu better. You reported this bug a while ago and there hasn't been
any activity in it recently. We were wondering is this still an issue
for you? Can you try with latest updates or latest Ubuntu release?
Thanks in advance.
**
Nods. Learn something new every day. (I am not extremely familiar with
disk bus architecture)
I don't have a performance benchmark; I was trying to watch a video and
my hard disk started cranking and the video started skipping, after a
reboot, which is when I noticed that stuff was gone.
In any
32-bit I/O support is somewhat pointless if you're not doing PIO. I
/think/ that interupt-unmasking is only relevant in the PIO case as
well. Can you show some benchmarks of the difference in performance
between 2.6.15 and 2.6.17?
--
libata + sata == nodma
https://launchpad.net/bugs/55346
--
what of -u and -c not working, when they did previously?
--
libata + sata == nodma
https://launchpad.net/bugs/55346
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sata doesn't implement pio, to the best of my knowledge - all operations
are DMA.
--
libata + sata == nodma
https://launchpad.net/bugs/55346
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I have also the same problems with hdparm and my sata drive.
hdparm -d and -u print nothing (only /dev/sda) and hdparm -i reports
"HDIO_GET_IDENTITY failed: Inappropriate ioctl for device"
lspci says:
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID
Controller (rev 80)
T
*via SATA controller, with a Maxtor drive of course. VIA doesn't make
the hard drive, it makes the chipset with the controller on it.
--
libata + sata == nodma
https://launchpad.net/bugs/55346
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