After I pulled 2.6.39-rc1, my HP laptop failed to boot by never advancing past
the device detection stage on my x86_64 system. The problem was bisected, which
led to:
7eaceaccab5f40bbfda044629a6298616aeaed50 is the first bad commit
commit 7eaceaccab5f40bbfda044629a6298616aeaed50
Author: Jens Axboe <jaxboe@xxxxxxxxxxxx>
Date: Thu Mar 10 08:52:07 2011 +0100
block: remove per-queue plugging
Code has been converted over to the new explicit on-stack plugging,
and delay users have been converted to use the new API for that.
So lets kill off the old plugging along with aops->sync_page().
Signed-off-by: Jens Axboe <jaxboe@xxxxxxxxxxxx>
As this patch cannot be reversed on current 2.6.39-rc1-git, I have not been able
to do the final test of reverting it, but the bisection was straight forward.
When the system hangs, I can get it to finish booting if I type CTRL/C; however,
the only disk partition that has been mounted is /. If it matters, I use a
mixture of ext3 and ext4 file systems.
My disk controller is "nVidia Corporation MCP67 IDE Controller [10de:0560] (rev a1)"
Please let me know what additional info is needed.
Larry
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