diff options
| author | Keith Owens <kaos@sgi.com> | 2006-02-08 13:40:59 +1100 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2006-02-08 11:59:23 -0800 |
| commit | 9336b0836bf789136b51caf9ddd49dcbf1726cf4 (patch) | |
| tree | faed4f7f8882b38cf64f08b146bb3215ac864090 /arch | |
| parent | f564c5fe29d3fa9adc6d839714521b0554c62598 (diff) | |
| download | linux-stable-9336b0836bf789136b51caf9ddd49dcbf1726cf4.tar.gz linux-stable-9336b0836bf789136b51caf9ddd49dcbf1726cf4.tar.bz2 linux-stable-9336b0836bf789136b51caf9ddd49dcbf1726cf4.zip | |
[IA64] MCA: print messages in MCA handler
Print a message identifying the monarch MCA handler. Print a summary
of the status of the slave MCA cpus.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/kernel/mca.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index ee7eec9ee576..23d54413c006 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -908,7 +908,7 @@ no_mod: static void ia64_wait_for_slaves(int monarch) { - int c, wait = 0; + int c, wait = 0, missing = 0; for_each_online_cpu(c) { if (c == monarch) continue; @@ -919,15 +919,32 @@ ia64_wait_for_slaves(int monarch) } } if (!wait) - return; + goto all_in; for_each_online_cpu(c) { if (c == monarch) continue; if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE) { udelay(5*1000000); /* wait 5 seconds for slaves (arbitrary) */ + if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE) + missing = 1; break; } } + if (!missing) + goto all_in; + printk(KERN_INFO "OS MCA slave did not rendezvous on cpu"); + for_each_online_cpu(c) { + if (c == monarch) + continue; + if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE) + printk(" %d", c); + } + printk("\n"); + return; + +all_in: + printk(KERN_INFO "All OS MCA slaves have reached rendezvous\n"); + return; } /* @@ -953,6 +970,10 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw, task_t *previous_current; oops_in_progress = 1; /* FIXME: make printk NMI/MCA/INIT safe */ + console_loglevel = 15; /* make sure printks make it to console */ + printk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d monarch=%ld\n", + sos->proc_state_param, cpu, sos->monarch); + previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA"); monarch_cpu = cpu; if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, 0, 0, 0) |