* Ingo Molnar <mingo@xxxxxxx> wrote: > incidentally i have a RCU badness crash log from another box: > > [ 4.573332] initcall ipmi_init_msghandler_mod+0x0/0xd returned 0 after 0 usecs > [ 4.573332] calling init_ipmi_si+0x0/0x435 @ 1 > [ 4.573332] IPMI System Interface driver. > [ 4.573340] [<ffffffff81022cdc>] no_context+0x1fc/0x20b > [ 4.576672] [<ffffffff81002a16>] ? ftrace_call+0x5/0x2b > [ 4.580021] [<ffffffff81022e77>] __bad_area_nosemaphore+0x18c/0x1af > [ 4.583338] [<ffffffff81002a16>] ? ftrace_call+0x5/0x2b > [ 4.586672] [<ffffffff81022ead>] bad_area_nosemaphore+0x13/0x15 > [ 4.590005] [<ffffffff81023159>] do_page_fault+0x138/0x284 > [ 4.593354] [<ffffffff81a632bf>] page_fault+0x1f/0x30 I spent a few hours yesterday and today trying to track this down, but failed to bisect it. The crash is sporadic on many configs - which confused my bisection attempts. Sometimes it crashes only after 10 reboots. Was able to crash v2.6.30 as well, so it's an older bug. v2.6.29 was not testable on that box due to network driver problems so i stopped there. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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