Re: Recent issue with cd drive on PB 12" (matshita)
Hi Olivier!
it looks as if you didn't use the line
append="hdc=ide-scsi"
in your yaboot.conf
regs,
klaus
* Olivier Crouzet <olivier.crouzet@humana.univ-nantes.fr> [2004-02-13 13:22:
> From: Olivier Crouzet <olivier.crouzet@humana.univ-nantes.fr>
> Subject: Recent issue with cd drive on PB 12" (matshita)
> To: debian-ppc <debian-powerpc@lists.debian.org>
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> Dear all,
>
> last night I tried to burn a CD on my PB12" running Sarge (testing) and it
> was not recognized by cdrecord whereas it used to work seamlessly before.
> Trying to mount it, mount tells me that /dev/cdrom is not a valid block
> device (both reading and writing worked perfectly well one week ago). I'm
> using ide-scsi emulation. My kernel is a recompiled (but not recently)
> 2.4.23. Reading and Writing still work under MacOS X.
>
> When I try to mount the cdrom for reading, mount says :
>
> - as root on the command line (sudo mount -t iso9660 /dev/scd0 /cdrom)
>
> mount: /dev/scd0 is not a valid block device
>
> - and the same when mounting as a user using fstab entries = mount
> /dev/cdrom :
>
> mount: /dev/cdrom is not a valid block device
>
> I have not changed anything in the kernel (no compilation since several
> weeks) - yaboot - fstab since then. When I read dmesg output, I can see
> these lines :
>
> ...
> Probing IDE interface ide0...
> hda: MATSHITACD-RW CW-8122, ATAPI CD/DVD-ROM drive
> hda: Enabling MultiWord DMA 2
> Probing IDE interface ide1...
> hdc: TOSHIBA MK4021GAS, ATA DISK drive
> hdc: Enabling Ultra DMA 5
> ide0 at 0xec203000-0xec203007,0xec203160 on irq 24
> ide1 at 0xec209000-0xec209007,0xec209160 on irq 39
> hdc: attached ide-disk driver.
> hdc: 78140160 sectors (40008 MB), CHS=77520/16/63, UDMA(100)
> Partition check:
> hdc: [mac] hdc1 hdc2 hdc3 hdc4 hdc5 hdc6 hdc7 hdc8 hdc9 hdc10 hdc11 hdc12
> hdc13
> hdc14
> SCSI subsystem driver Revision: 1.00
> mesh: configured for synchronous 5 MB/s
> kmod: failed to exec /sbin/modprobe -s -k scsi_hostadapter, errno = 2
> ...
>
> whereas on Jan 15, this latest line (kmod: failed to exec...) did not
> appear :
>
> Probing IDE interface ide0...
> hda: MATSHITACD-RW CW-8122, ATAPI CD/DVD-ROM drive
> hda: Enabling MultiWord DMA 2
> Probing IDE interface ide1...
> hdc: TOSHIBA MK4021GAS, ATA DISK drive
> hdc: Enabling Ultra DMA 5
> ide0 at 0xec203000-0xec203007,0xec203160 on irq 24
> ide1 at 0xec209000-0xec209007,0xec209160 on irq 39
> hdc: attached ide-disk driver.
> hdc: 78140160 sectors (40008 MB), CHS=77520/16/63, UDMA(100)
> Partition check:
> hdc: [mac] hdc1 hdc2 hdc3 hdc4 ...
> SCSI subsystem driver Revision: 1.00
> mesh: configured for synchronous 5 MB/s
> ...
>
> The line from kmod seems to indicate a problem with SCSI in kernel modules
> isn't it ? But I have not recompiled my kernel (2.4.23) and modules
> recently.
>
> Has any one encountered such problems in the last few days ? I can't
> remember having seen an update concerning the CD reader-writer, or
> anything related when last updating (which I do quite frequently).
>
> As a matter of fact, df tells me there is a /dev/shm 'tmpfs' filesystem
> mounted whereas I do not remember having seen this before neither. And I
> do not know what it is exactly but perhaps there is no link at all.
>
> Filesystem Size Used Avail Use% Mounted on
> ...
> tmpfs 314M 0 314M 0% /dev/shm
>
>
>
> Thanks very much for your help.
> Olivier.
>
> --
> Olivier Crouzet
> acoustique, acquisition, interpr?tation - JE 2220
> Universit? de Nantes
>
>
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