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2.4.20 IDE-SCSI / CD-writing crash

Help! Han-Wen Nienhuys 2 participants 5 messages Nov 3, 2002 – Nov 4, 2002 2 messages not in the archive

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#1 lore raw
In reply to a message not in the archive
Quoted 5 lines · [email protected] writes:

I ain't no Linux kernel genius, but I did see this patch on the linux-kernel mailing list. Also rubber-stamp approved by Alan Cox. Do you think it might help you?

http://www.uwsg.indiana.edu/hypermail/linux/kernel/0211.0/0278.html

1st try (running as root from commandline): success 2nd try (running as user, cdrecord invoked from gtoaster):

SCSI host 0 abort .. timed out - resetting
aborting command due to timeout .. test unit ready .. 00 00 00 00 00 aborting command due to timeout .. prevent/allow medium removal 00 00 00 01 00

after a reboot, I get the same problems (1st try success, 2nd try fail, now with with messages from the IDE layer about DMA and "DRQ not asserted yet"). Interesting observations: that I forgot to mention the first e-mail:

* it seems to go wrong happen mostly the 2nd try, I can't recall failing on the first try after bootup,

* when the kernel goes into this reset loop, everything is hanging, e.g. when pressing num-lock from console it takes a few seconds before the indicator led changes

Signature · 1 line
Han-Wen Nienhuys   |   [email protected]   |   http://www.cs.uu.nl/~hanwen 
#3 lore raw
In reply to a message not in the archive
Quoted 3 lines · [email protected] writes:

yeah this happens to me under certin combinations of hardware eg dont put a cd write on the same channel as a disk or you seem to run into problems.

The writer is on 2nd IDE channel (hdd), the HD is on the 1st (hda).

Quoted 1 line

you saw 2.4.20 ? i dont think that kernel is out yet.

20-rc1

FWIW, I also tried disabling DMA on the cdrom drive; no-go: at the
3rd burn, the ATAPI resets were all over the place.

Signature · 1 line
Han-Wen Nienhuys   |   [email protected]   |   http://www.cs.uu.nl/~hanwen 
#4 lore raw

You mean hdc not hdd, I hope?

----- Original Message -----
From: "Han-Wen Nienhuys" <[email protected]>
To: "James Stevenson" <[email protected]>
Cc: <[email protected]>
Sent: Monday, November 04, 2002 10:21 AM
Subject: Re: [Help!] 2.4.20 IDE-SCSI / CD-writing crash

Quoted 22 lines
Quoted 3 lines · [email protected] writes:

yeah this happens to me under certin combinations of hardware eg dont put a cd write on the same channel as a disk or you seem to run into problems.

The writer is on 2nd IDE channel (hdd), the HD is on the 1st (hda).

Quoted 1 line

you saw 2.4.20 ? i dont think that kernel is out yet.

20-rc1

FWIW, I also tried disabling DMA on the cdrom drive; no-go: at the
3rd burn, the ATAPI resets were all over the place.

--

Han-Wen Nienhuys | [email protected] | http://www.cs.uu.nl/~hanwen
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