On Friday 06 May 2005 11:44 am, Kris Kennaway wrote: > The following has happened twice recently while booting 6.0 on a > 12-processor e4500: > > [...] > Waiting 8 seconds for SCSI devices to settle > SMP: AP CPU #11 Launched! > SMP: AP CPU #10 Launched! > SMP: AP CPU #9 Launched! > SMP: AP CPU #8 Launched! > SMP: AP CPU #7 Launched! > SMP: AP CPU #6 Launched! > SMP: AP CPU #5 Launched! > SMP: AP CPU #4 Launched! > SMP: AP CPU #3 Launched! > SMP: AP CPU #2 Launched! > SMP: AP CPU #1 Launched! > panic: spin lock held too long0xffffff813e774730 foor >5 seecons > cpuid = 11 > KDB: enter: panic > [hangs] > > Any ideas?
Could be related to how the idle loop is coded. Try hacking on it so that it does a try lock of sched_lock and only calls mi_switch() if it succeeds, otherwise loop around and call sched_runnable() again. -- John Baldwin <[EMAIL PROTECTED]> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-smp To unsubscribe, send any mail to "[EMAIL PROTECTED]"
