Re: [PATCH 0/2] i386: Fix two more NMI watchdog bugs

From: Andi Kleen
Date: Fri Jun 08 2007 - 18:30:28 EST



> None of the patches posted by BjÃrn fix the kernel BUG at
> arch/i386/kernel/cpu/perfctr-watchdog.c:126! that occurs when doing
> echo 0 > /proc/sys/kernel/nmi_watchdog
>
> Call Trace:
> [<c010c429>] single_msr_unreserve+0xd/0x1a
> [<c010c668>] disable_lapic_nmi_watchdog+0x27/0x35
> [<c0110ac6>] proc_nmi_enabled+0xa0/0xbd
> [<c018550c>] proc_sys_write+0x6f/0x8c
> [<c018549d>] proc_sys_write+0x0/0x8c
> [<c0156e5b>] vfs_write+0x8a/0x10c
> [<c0157317>] sys_write+0x41/0x67
> [<c0103c30>] syscall_call+0x7/0xb
>
> Andi, did you have a patch for that?

ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/disable-watchdog

-Andi
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