On Wed, 2010-06-09 at 14:52 -0700, Paul E. McKenney wrote: > Hello! > > I get the following during boot on a 16 CPU Power box. Thoughts? > (/proc/config attached)
Wow... looks like the preempt count of the idle task got busted or something ... how reproduceable ? Something like a record of previous interrupts might be useful.. Cheers, Ben. > Thanx, Paul > > UDP hash table entries: 2048 (order: 6, 262144 bytes) > UDP-Lite hash table entries: 2048 (order: 6, 262144 bytes) > NET: Registered protocol family 1 > RPC: Registered udp transport module. > RPC: Registered tcp transport module. > RPC: Registered tcp NFSv4.1 backchannel transport module. > Trying to unpack rootfs image as initramfs... > Freeing initrd memory: 2455k freed > BUG: scheduling while atomic: swapper/0/0x00000002 > no locks held by swapper/0. > Modules linked in: > Call Trace: > [c00000008e1afc20] [c000000000011990] .show_stack+0x70/0x184 (unreliable) > [c00000008e1afcd0] [c00000000005cb60] .__schedule_bug+0xac/0xd0 > [c00000008e1afd70] [c0000000005f0c34] .schedule+0xc0/0x894 > [c00000008e1afe40] [c0000000000142d0] .cpu_idle+0x1f8/0x20c > [c00000008e1afed0] [c000000000600b08] .start_secondary+0x3bc/0x3fc > [c00000008e1aff90] [c000000000008264] .start_secondary_prolog+0x10/0x14 > BUG: scheduling while atomic: swapper/0/0x00000002 > no locks held by swapper/0. > Modules linked in: > Call Trace: > [c00000008e1afc20] [c000000000011990] .show_stack+0x70/0x184 (unreliable) > [c00000008e1afcd0] [c00000000005cb60] .__schedule_bug+0xac/0xd0 > [c00000008e1afd70] [c0000000005f0c34] .schedule+0xc0/0x894 > [c00000008e1afe40] [c0000000000142d0] .cpu_idle+0x1f8/0x20c > [c00000008e1afed0] [c000000000600b08] .start_secondary+0x3bc/0x3fc > [c00000008e1aff90] [c000000000008264] .start_secondary_prolog+0x10/0x14 > BUG: scheduling while atomic: swapper/0/0x00000002 > no locks held by swapper/0. > Modules linked in: > Call Trace: > [c00000008e1afc20] [c000000000011990] .show_stack+0x70/0x184 (unreliable) > [c00000008e1afcd0] [c00000000005cb60] .__schedule_bug+0xac/0xd0 > [c00000008e1afd70] [c0000000005f0c34] .schedule+0xc0/0x894 > [c00000008e1afe40] [c0000000000142d0] .cpu_idle+0x1f8/0x20c > [c00000008e1afed0] [c000000000600b08] .start_secondary+0x3bc/0x3fc > [c00000008e1aff90] [c000000000008264] .start_secondary_prolog+0x10/0x14 > BUG: scheduling while atomic: swapper/0/0x00000002 > no locks held by swapper/0. > Modules linked in: > Call Trace: > [c00000008e1afc20] [c000000000011990] .show_stack+0x70/0x184 (unreliable) > [c00000008e1afcd0] [c00000000005cb60] .__schedule_bug+0xac/0xd0 > [c00000008e1afd70] [c0000000005f0c34] .schedule+0xc0/0x894 > [c00000008e1afe40] [c0000000000142d0] .cpu_idle+0x1f8/0x20c > [c00000008e1afed0] [c000000000600b08] .start_secondary+0x3bc/0x3fc > [c00000008e1aff90] [c000000000008264] .start_secondary_prolog+0x10/0x14 > audit: initializing netlink socket (disabled) > type=2000 audit(1276043741.388:1): initialized > BUG: scheduling while atomic: swapper/0/0x00000002 > no locks held by swapper/0. > Modules linked in: > Call Trace: > [c00000008e1afc20] [c000000000011990] .show_stack+0x70/0x184 (unreliable) > [c00000008e1afcd0] [c00000000005cb60] .__schedule_bug+0xac/0xd0 > [c00000008e1afd70] [c0000000005f0c34] .schedule+0xc0/0x894 > [c00000008e1afe40] [c0000000000142d0] .cpu_idle+0x1f8/0x20c > [c00000008e1afed0] [c000000000600b08] .start_secondary+0x3bc/0x3fc > [c00000008e1aff90] [c000000000008264] .start_secondary_prolog+0x10/0x14 > BUG: scheduling while atomic: swapper/0/0x00000002 > no locks held by swapper/0. > Modules linked in: _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
