Bug#404950: Installation Report [mips] [rc1] [Failure] SWARM (Broadcom BCM91250a)
On Thu, Jan 04, 2007 at 04:48:09PM +0100, Frans Pop wrote:
> On Friday 29 December 2006 21:45, Karsten Merker wrote:
> > "The following partitions are going to be formatted:
> > partition #3 of IDE1 master, partition # (hda) as ext3
> > partition #7 of IDE1 master, partition # (hda) as ext3
> > ^^^^^^^^^^^^^^^^^
>
> Karsten has mailed me the full partman log privately, and from that the
> cause of the problem shows very clearly.
>
> The device that is passed to partman is:
> /dev/ide/host0/bus0/target0/lun0/part
>
> The code in partman that interprets this expects either:
> /dev/ide/host0/bus0/target0/lun0/disc
> /dev/ide/host0/bus0/target0/lun0/part1
>
> But in this case, "part" without a partition number seems to be used for
> the whole disk, which perfectly explains the display as a partition
> without partition number.
> We could support this in the relevant partman function, but I'd like to
> know if this use of "part" to indicate the whole disk is valid first. It
> could also be a bug, either in the kernel or in udev's devfs
> compatibility code.
>
> So, my follow-up questions:
> - what is the output of 'cd /dev/ide/host0/bus0/target0/lun0/; ls -l'?
~ # cd /dev/ide/host0/bus0/target0/lun0/; ls -l
brw-rw---- 1 root root 3, 0 Jan 4 19:07 part
brw-rw---- 1 root root 3, 1 Jan 4 19:07 part1
brw-rw---- 1 root root 3, 2 Jan 4 19:07 part2
brw-rw---- 1 root root 3, 3 Jan 4 19:07 part3
brw-rw---- 1 root root 3, 4 Jan 4 19:07 part4
brw-rw---- 1 root root 3, 5 Jan 4 19:07 part5
brw-rw---- 1 root root 3, 6 Jan 4 19:07 part6
brw-rw---- 1 root root 3, 7 Jan 4 19:07 part7
brw-rw---- 1 root root 3, 8 Jan 4 19:07 part8
/dev/ide/host0/bus0/target0/lun0 #
> - what is the non-devfs representation of this disk (e.g. /dev/hda*) and
> what devices are present for that?
~ # ls -l /dev/hda*
lrwxrwxrwx 1 root root 32 Jan 4 19:07 /dev/hda ->
ide/host0/bus0/target0/lun0/part
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda1 ->
ide/host0/bus0/target0/lun0/part1
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda2 ->
ide/host0/bus0/target0/lun0/part2
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda3 ->
ide/host0/bus0/target0/lun0/part3
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda4 ->
ide/host0/bus0/target0/lun0/part4
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda5 ->
ide/host0/bus0/target0/lun0/part5
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda6 ->
ide/host0/bus0/target0/lun0/part6
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda7 ->
ide/host0/bus0/target0/lun0/part7
lrwxrwxrwx 1 root root 33 Jan 4 19:07 /dev/hda8 ->
ide/host0/bus0/target0/lun0/part8
~ #
> - what driver is being used for this disk controller?
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
SWARM IDE driver
ide-swarm: IDE interface at GenBus slot 4
Probing IDE interface ide0...
hda: SAMSUNG SP1604N, ATA DISK drive
hdb: IBM-DHEA-36481, ATA DISK drive
ide0 at 0x90000000100b3e00-0x90000000100b3e07,0x90000000100b7ec0 on irq 36
hda: max request size: 512KiB
hda: 312581808 sectors (160041 MB) w/2048KiB Cache, CHS=19457/255/63
hda: cache flushes supported
hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 >
hdb: max request size: 128KiB
hdb: 12692736 sectors (6498 MB) w/472KiB Cache, CHS=12592/16/63
hdb: cache flushes not supported
hdb: hdb1 hdb2 hdb3 hdb4 < hdb5 >
AFAIK the driver uses the generic IDE support, just initialization
is platform specific. Please cf.
http://www.linux-mips.org/git?p=linux.git;a=blob;f=drivers/ide/mips/swarm.c;h=09c9e7936b0dff79c5d44f84732a003f910ca2f5;hb=linux-2.6.18-stable
Regards,
Karsten
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