Messages in this thread | | | Date | Mon, 7 Oct 2013 09:42:37 +0100 | From | Mel Gorman <> | Subject | Re: [REGRESSION] jump label safety checks break automatic numa balancing |
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On Fri, Oct 04, 2013 at 11:03:56AM -0400, Steven Rostedt wrote: > > FYI, please remove my redhat email from your address book. I don't read > my RH email when I travel (which I've been doing a lot lately). > > > On Fri, 04 Oct 2013 10:44:00 -0400 > Mel Gorman <mgorman@suse.de> wrote: > > > With CONFIG_NUMA_BALANCING=y and booting with numa_balancing=enable > > there is a crash very early in the lifetime of the system. By setting > > earlyprintk=ttyS0,115200 the error is visible and looks something like > > this > > > > [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.11.0-vanilla+ root=/dev/sda5 reboot=pci console=tty0 console=ttyS0,115200 numa_balancing=enable earlyprintk=ttyS0,115200 > > [ 0.000000] Unexpected op at task_numa_fault+0x1d/0xa0 [ffffffff81085ded] (0f 1f 44 00 00) arch/x86/kernel/jump_label.c:53 > > PANIC: early exception 06 rip 10:ffffffff815b2663 error 0 cr2 ffff88107ffff000 > > What's at ffffffff815b2663? >
kernel/sched/fair.c:5901
-- Mel Gorman SUSE Labs
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