Messages in this thread | | | Date | Tue, 23 Mar 1999 19:19:55 -0500 | From | Mark Lord <> | Subject | Re: UDMA issues under 2.2.3 |
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"Nicholas J. Leon" wrote: > According to hdparm -I, all of my drives are in UDMA mode2. Which they > shouldn't be; because I have the "use UDMA by default" DISABLED (my system > will lock up if I attempt to access two drives in UDMA mode at the same > time - as in a parallel fsck).
You need to run this command immediately: "man hdparm"
> root(2)@neko [104 /usr2/root] # hdparm -I /dev/hda
Bzzt! Wrong. Try: hdparm -d /dev/hda ... > This is the default. Everytime I use hdparm, I get the errors. Also... > > root(2)@neko [105 /usr2/root] # hdparm -d0 -I /dev/hda > > /dev/hda: > setting using_dma to 0 (off) > hda: DMA disabled > using_dma = 0 (off) > hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error } > hda: drive_cmd: error=0x04 { DriveStatusError }
Ignore that error -- triggered by hdparm, so it's really self-inflicted. And totally harmless.
.. > Also, if I do something like > > hdparm -X34 /dev/hda > or > hdparm -X66 /dev/hda > > my system will crash within seconds.
You should not be playing with those options. Or at least do "man hdparm" first, and read the output thoroughly. -- mlord@pobox.com
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