Messages in this thread Patch in this message | | | Date | Sat, 6 Dec 2003 16:40:19 -0500 (EST) | From | Zwane Mwaikambo <> | Subject | Re: [patch] sched-HT-2.6.0-test11-A5 |
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On Sat, 6 Dec 2003, Martin J. Bligh wrote:
> > > i've uploaded the HT scheduler patch against 2.6.0-test11 to: > > > > redhat.com/~mingo/O(1)-scheduler/sched-HT-2.6.0-test11-A5 > > Hangs on boot (NUMA-Q) after "Starting migration thread for cpu 0". > Any ideas what that might be?
Ingo here is a patch to fix compilation on larger NR_CPUS, i have also appended the oops Martin is probably seeing. Currently debugging it.
Index: linux-2.6.0-test11-ht/kernel/sched.c =================================================================== RCS file: /build/cvsroot/linux-2.6.0-test11/kernel/sched.c,v retrieving revision 1.1.1.2 diff -u -p -B -r1.1.1.2 sched.c --- linux-2.6.0-test11-ht/kernel/sched.c 6 Dec 2003 21:21:07 -0000 1.1.1.2 +++ linux-2.6.0-test11-ht/kernel/sched.c 6 Dec 2003 21:22:30 -0000 @@ -266,7 +266,7 @@ static DEFINE_PER_CPU(struct runqueue, r #define migration_queue(cpu) (&cpu_int(cpu)->migration_queue)
#if NR_CPUS > 1 -# define task_allowed(p, cpu) ((p)->cpus_allowed & (1UL << (cpu))) +# define task_allowed(p, cpu) cpu_isset(cpu, (p)->cpus_allowed) #else # define task_allowed(p, cpu) 1 #endif ..... CPU clock speed is 398.0715 MHz. ..... host bus clock speed is 99.0678 MHz. checking TSC synchronization across 2 CPUs: passed. Starting migration thread for cpu 0 Unable to handle kernel paging request at virtual address f000afae printing eip: c0124608 *pde = 00000000 Oops: 0002 [#1] CPU: 0 EIP: 0060:[<c0124608>] Not tainted EFLAGS: 00010013 EIP is at migration_task+0x158/0x290 eax: 00000001 ebx: c150bbc0 ecx: c150c5e4 edx: f000afae esi: c1b9ffcc edi: c1b9e000 ebp: c1b9ffec esp: c1b9ffc0 ds: 007b es: 007b ss: 0068 Process migration/0 (pid: 2, threadinfo=c1b9e000 task=c1bd29b0) Stack: 00000000 c150bbc0 00000000 c1bbbf9c 00000000 00000063 00000000 00000000 c01244b0 00000000 00000000 00000000 c0107185 c1bbbf9c 00000000 00000000 Call Trace: [<c01244b0>] migration_task+0x0/0x290 [<c0107185>] kernel_thread_helper+0x5/0x10 Code: 89 02 89 50 04 8b 55 d4 89 12 89 52 04 8b 4d d8 b2 01 81 79
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