From: Frank-Michael Fischer <fmfischer@gmx.net>
To: linux-ide@vger.kernel.org
Cc: celestar <celestar@t-online.de>
Subject: ATA burner problem under 2.6
Date: Tue, 10 Aug 2004 09:53:57 +0200 [thread overview]
Message-ID: <41187F15.4040706@gmx.net> (raw)
when using kernel 2.6.5 the following command on any DVD:
dd if=/dev/hdc of=test.iso bs=2048
uses almost 6 times as much system time compared to:
dd if=/dev/sr0 of=test.iso bs=2048 under 2.4.21 (ide-scsi, identical
hardware)
Moreover: when repeating the 2.6.5 dd command a couple of times the
system comes to a complete lockup, with no logged error messages
whatsoever. This never happens under 2.4.21. But I can reproduce this
behaviour on another PC.
Another related problem:
When ripping an audio CD under 2.4.21 I get perfect results using cdrdao
with --paranioa-mode 0. Ripping the same CD under 2.6.5 requires
--paranioa-mode 3.
Is this a known bug of 2.6 kernels?
Regards,
Frank-Michael Fischer
reply other threads:[~2004-08-10 7:54 UTC|newest]
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