process hangs on 13xx smp kernels

[Dave Jones]

On Tue, May 31, 2005 at 09:57:37PM -0600, Anne & Lynn Wheeler wrote:
 > 1366 smp kernel also has process hangs ... standard dell poweredge 2400 
 > dual 1ghz processors, 1gbyte memory, hardware raid, six scsi drives ... 
 > originally shipped with redhat 7 installed. regress to smp kernel 1276 
 > and everything ok (all 13xx smp kernels have had process hang problems).

Something else to try, is booting with nmi_watchdog=1
When it hangs, it should then print a backtrace after 5 seconds.
(This does need you to be on the console though, so make sure
 X isn't focused -- unless you have a serial console.)

		Dave