Re: [patch] increase spinlock-debug looping timeouts (write_lockand NMI)

[Dave Olson]

On Tue, 20 Jun 2006, Andrew Morton wrote:
| > Intended to be more or less stock fc4 but with CONFIG_PCI_MSI=y and
| > 2.6.17-based patch so the 8131 MSI quirk isn't enabled.
| > 
| > >From the config file:
| > 	CONFIG_DEBUG_SPINLOCK=y
| > 	CONFIG_DEBUG_SPINLOCK_SLEEP=y
| 
| OK, I goofed again.
| 
| It would be super-interesting to know whether CONFIG_DEBUG_SPINLOCK=n
| improves things.

It does.   No stalls, hangs, or nmi's in several hours of running the
test that previously failed on almost every run (with long stalls, system
hangs, or NMI watchdogs), on the same hardware.

I made no other changes to the kernel config than turning both of
the above off.

Dave Olson
olson@xxxxxxxxxxxx
http://www.unixfolk.com/dave
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