Messages in this thread Patch in this message | | | Subject | [BKPATCH] boot hang in migration threads with 2.5.9 and 2.5.10 | Date | Fri, 26 Apr 2002 10:58:30 -0500 | From | James Bottomley <> |
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This is an obvious and simple one line fix for a missing CPU logical to physical mapping (against 2.5.9). Without this, my SMP boxes hang forever after printing out the migration thread start information.
James Bottomley
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ChangeSet@1.531.9.1, 2002-04-26 10:43:28-05:00, jejb@mulgrave.(none) Fix migration task boot hang for machines with different physical and logical CPU numberings.
sched.c | 2 +- 1 files changed, 1 insertion, 1 deletion
diff -Nru a/kernel/sched.c b/kernel/sched.c --- a/kernel/sched.c Fri Apr 26 10:54:56 2002 +++ b/kernel/sched.c Fri Apr 26 10:54:56 2002 @@ -1760,7 +1760,7 @@ current->cpus_allowed = -1L; for (cpu = 0; cpu < smp_num_cpus; cpu++) - while (!cpu_rq(cpu)->migration_thread) + while (!cpu_rq(cpu_logical_map(cpu))->migration_thread) schedule_timeout(2); } #endif ===================================================================
This BitKeeper patch contains the following changesets: 1.531.9.1 ## Wrapped with gzip_uu ##
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