Re: [BUG] 2.6.23-rc3 can't see sd partitions on Alpha
From: Andrew Morton
Date: Sun Nov 25 2007 - 01:40:40 EST
On Sat, 17 Nov 2007 23:20:36 -0600 (CST) rct@xxxxxxxxxxxxxxxx (Bob Tracy) wrote:
> Completely reproducible... 2.6.23-rc3 kernel boots, and normal messages
> are seen on console as far as disks found and partitions on each. However,
> once /dev is populated and the boottime scripts attempt to check filesystem
> status, no partitions on either of the two disks attached to the SCSI
> controller are seen. Dropping into a single-user root shell confirms
> the sudden "blindness": fdisk can't open /dev/sda.
> When I reboot on 2.6.24-rc2, everything works normally.
> System environment is Debian Etch. Both 2.6.24-rc2 and -rc3 were built
> from the respective unaltered kernel.org source trees, using the same
> kernel configuration modulo saying "no" to CONFIG_SENSORS_I5K_AMB and
> CONFIG_PID_NS in -rc3. No problems with -rc3 on a x86 box.
Could be something change in sysfs. Please double-check the config
options, make sure that something important didn't get disabled.
Failing that, it would be great if you could bisect this down to the
offending commit. http://www.kernel.org/doc/local/git-quick.html has help.
Richard, Ivan: have you seen anything like this?
Meanwhile, I guess we should track this as another post-2.6.23 regression
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