Messages in this thread | | | Date | Sun, 25 Jan 2004 18:44:13 +0100 | From | Jens Axboe <> | Subject | Re: kernel 2.6.1 and cdrecord on ATAPI bus |
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On Sat, Jan 17 2004, Andreas Schwab wrote: > Charles Shannon Hendrix <shannon@widomaker.com> writes: > > > Sat, 17 Jan 2004 @ 05:22 +0100, Matthias Andree said: > > > >> Interesting. I use dev=/dev/hdc and it works fine for me (Plextor 48X), > >> but then again, I'm also running the latest cdrecord alpha. > > > > % cdrecord -version > > Cdrecord 2.00.3 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling > > > > I can try an alpha version, but from running strace on cdrecord, it > > seems like Linux is the problem. Several ioctl() calls are failing just > > before cdrecord prints an error message and exits. > > I see similar problems on ppc, with these messages in the log: > > Jan 17 16:15:43 whitebox kernel: ide0, timeout waiting for dbdma command stop > Jan 17 16:15:43 whitebox kernel: ide-cd: dma error > Jan 17 16:15:43 whitebox kernel: hdb: DMA disabled > Jan 17 16:15:43 whitebox kernel: hdb: dma error: status=0x50 { DriveReady SeekComplete } > Jan 17 16:15:43 whitebox kernel: hdb: dma error: error=0x00 > Jan 17 16:15:43 whitebox kernel: cdrom_newpc_intr: 180 residual after xfer
ppc pmac ide has known problems withe residual data counts for dma transfers. basically it's a limitation in the ide dma api.
-- Jens Axboe
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