Re: BUG: soft lockup detected on CPU#0!
- From: Winn Johnston <winn_johnston@xxxxxxxxx>
- Date: Fri, 12 May 2006 08:51:07 -0700 (PDT)
I noticed another post the other day, and contacted
the indavidual who posted it. note his message below.
Hi Winn,
Latest news i had was a *hint* from Andrew Morton
telling me to try with kernel 2.6.17-rc3 and report if
the problem was gone or not. I've had no
time to give it a try yet.Your problem seems similar
to mine, a few person argued that the message
was bogus and that no harm was done but i guess they
did not read carefully the post since the consequences
are pretty bad.
Let me know if you manage to try with the latest rc of
the 2.6.17 kernel and if things are better.
ref:
http://groups.google.com/group/linux.kernel/browse_thread/thread/450966ffa3043609/59e6a2350b7690bf?lnk=st&q=kernel%3A+ide%3A+failed+opcode+was%3A+0xea%22+BUG%3A+soft+lockup+detected+on+CPU%230!%22&rnum=1&hl=en#59e6a2350b7690bf
--- Winn Johnston <winn_johnston@xxxxxxxxx> wrote:
Error:http://www.ussg.iu.edu/hypermail/linux/kernel/0309.1/0444.html
kernel: hdi: drive_cmd: status=0xd0 { Busy }
kernel: ide: failed opcode was: 0xea
BUG: soft lockup detected on CPU#0!
the odd thing is the system experiences a hard
lockup,
so it is not a false positive. I am working on a
trace, but it is hard to get.
My supervisor has asked me to help research this
problem. We are using multiple ata cards in our
backup
machine. We have a Promiss sata 300tx4, and three
ATA
cards (3 SIG UltraATA 133 PCI) or (3 promise ultra
100tx2). We are experiencing hard lockups. The
system
resides on a scsi drive connected to the on board
controler Adaptec AIC-7899P (Tyan S2462
motherboard)the error is repeated for all drives
connected to the promis cards, and the error
continues
until a lock up is eventualy reached.
Also, its in dma mode, not pio.
PREEMPT_NONE is already set, so its not the
preemption
model
possibly related posts
http://groups.google.com/group/linux.kernel/browse_thread/thread/450966ffa3043609/59e6a2350b7690bf?lnk=st&q=kernel%3A+ide%3A+failed+opcode+was%3A+0xea%22+BUG%3A+soft+lockup+detected+on+CPU%230!%22&rnum=1&hl=en#59e6a2350b7690bf
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