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For soft reset during system hang, got an error "CPU did not take control" for some CPUs even though they responded to soft-reset (called SystemReset, die and called debugger - xmon). First these CPUs entered into xmon by IPI callback and then got a soft-reset exception and re-entered into xmon again. The first CPU which re-entered into xmon got the output lock and made into xmon successfully without unlocking. Hence, the next CPU(s) which re-entered into xmon try to acquire a lock (get_output_lock). Therefore, we can not view state of those CPU(s). [This is a simple, very low risk, obvious fix for an obvious bug, and should go into 2.6.13. -- paulus] Signed-off-by: Haren Myneni <hbabu@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> |
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| .. | ||
| ansidecl.h | ||
| Makefile | ||
| nonstdio.h | ||
| ppc-dis.c | ||
| ppc-opc.c | ||
| ppc.h | ||
| privinst.h | ||
| setjmp.S | ||
| start.c | ||
| subr_prf.c | ||
| xmon.c | ||