5.2-CURRENT yesterday: GIANT-LOCKED, lock order reversal

Steve Kargl sgk at troutmask.apl.washington.edu
Mon Apr 12 15:32:47 PDT 2004

On Mon, Apr 12, 2004 at 01:03:54PM -0400, Chris Shenton wrote:
> Built world and new kernel from yesterday's CVSup and noticed a bunch
> of [GIANT-LOCKED] in the bootup.  Then, after it came up, it spewed
> errors about lock order reversal. I'm not clueful enough to understand
> what it's trying to tell me :-(
> Here's a "uname -a" info, then the dmesg output with GIANT-LOCK and
> lock order reversal. Should I be concerned? Any work-arounds?  Thanks.

GIANT-LOCK is simply an anotation that a device driver is
still under the GAINT lock.   Until a few weeks ago, drivers
were reporting [MPSAFE] to note the driver was now under
a finer grain lock.

The LOR you reported has been reported previous.  


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