Messages in this thread | | | From | Nikunj A Dadhania <> | Subject | Re: Latest tip kernel(3.2-rc1-tip_cf6b3899) fails to boot on x3850x5 machine | Date | Thu, 15 Dec 2011 07:54:18 +0530 |
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On Wed, 14 Dec 2011 12:35:35 -0800, Yinghai Lu <yinghai@kernel.org> wrote: > On Wed, Dec 14, 2011 at 12:17 PM, Thomas Gleixner <tglx@linutronix.de> wrote: > > On Wed, 14 Dec 2011, Thomas Gleixner wrote: > > > >> On Wed, 14 Dec 2011, Nikunj A Dadhania wrote: > >> > >> > Hi, > >> > > >> > I was trying the latest tip kernel and I am seeing the following > >> > message. After some more logs the machine does not proceed. > >> > > >> > ------------[ cut here ]------------ > >> > WARNING: at kernel/time/clockevents.c:47 clockevent_delta2ns+0x79/0x90() > >> > >> Ok, that's caused by stupidity in the apic timer code. Fix > >> below. Note, that patch wont fix the boot problem. It just prevents > >> the warning. > >> > >> > Hardware name: System x3850 X5 -[71455RQ]- > >> > Modules linked in: > >> > Pid: 1, comm: swapper/0 Not tainted 3.2.0-rc4-tip #3 > >> > Call Trace: > >> > [<ffffffff8104d3af>] warn_slowpath_common+0x7f/0xc0 > >> > [<ffffffff8104d40a>] warn_slowpath_null+0x1a/0x20 > >> > [<ffffffff81097ab9>] clockevent_delta2ns+0x79/0x90 > >> > [<ffffffff81e49109>] calibrate_APIC_clock+0x16e/0x377 > >> > [<ffffffff81e4942c>] setup_boot_APIC_clock+0x59/0x7e > >> > [<ffffffff81e472d1>] native_smp_prepare_cpus+0x1f1/0x205 > >> > [<ffffffff81e38767>] kernel_init+0x1b6/0x29a > >> > [<ffffffff815f9ca4>] kernel_thread_helper+0x4/0x10 > >> > [<ffffffff81e385b1>] ? parse_early_options+0x20/0x20 > >> > [<ffffffff815f9ca0>] ? gs_change+0x13/0x13 > >> > ---[ end trace a7919e7f17c0a725 ]--- > >> > APIC frequency too slow, disabling apic timer > >> > >> Ouch. This is really bad. > >> > >> > Performance Events: PEBS fmt1+, Nehalem events, Intel PMU driver. > >> > CPU erratum AAJ80 worked around > >> > CPUID marked event: 'bus cycles' unavailable > >> > ... version: 3 > >> > ... bit width: 48 > >> > ... generic registers: 4 > >> > ... value mask: 0000ffffffffffff > >> > ... max period: 000000007fffffff > >> > ... fixed-purpose events: 3 > >> > ... event mask: 000000070000000f > >> > NMI watchdog enabled, takes one hw-pmu counter. > >> > Booting Node 0, Processors #1 > >> > APIC never delivered??? > >> > APIC delivery error (ef). > >> > #2 > > > > What's worse is that this problem exists on 3.2-rc5 as > > well. Investigating. > > > BIOS pre-enabled x2apic, and kernel config does not have x2apic enabled? make oldconfig somehow skipped this!! I can see my previous kernel config having this enabled.
Regards Nikunj
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