[Bug 13572] hdparm -W1 /dev/sda causes oops and hard lockup

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http://bugzilla.kernel.org/show_bug.cgi?id=13572


Vladimir Prodan <vc@xxxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




--- Comment #2 from Vladimir Prodan <vc@xxxxxxxxxxxx>  2009-06-19 14:42:49 ---
James, thank you! You're right, it seems it was reproducible corruption of
device list caused by some IPMI code. Sorry, I am using IPMI patches from
http://openipmi.sf.net/ since 2004 (2.6.6) and have no problems with them until
now. Unfinished git bisection shows that problem is around here:

bad cced7d0 2009-05-19 21:51:07 +0400 [Corey Minyard] serial: Add a polled
interface to the 8250 driver
    9483290 2009-05-19 21:51:06 +0400 [Corey Minyard] serial: Add support for
doing a console using the poll interface
    5bdfc86 2009-05-19 21:51:06 +0400 [Corey Minyard] serial: Add a poll
interface to the serial core
ok  6acac9a 2009-05-19 21:51:05 +0400 [Corey Minyard] serial: Add circular
buffer helpers
    62ed3da 2009-05-19 21:51:05 +0400 [Corey Minyard] serial: Add a function to
abstract the tty code from the drivers
    6657022 2009-05-19 21:51:10 +0400 [Corey Minyard] ipmi_emu
ok  af85f59 2009-05-19 21:51:10 +0400 [Corey Minyard] ipmi_si_max_busy-fixed

I'll try find the cause and tell Corey about it.

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