Hi, On Thu, 24 Jul 2008 14:23:00 -0500 Nathan Lynch <[EMAIL PROTECTED]> wrote:
> I'm seeing warnings from the lockdep code itself in recent kernels on > a Power6 blade (v2.6.26 and benh's -next branch). > > Something to do with powerpc's "lazy" interrupt-disabling, perhaps? > > A couple of stack traces below, the first is from benh's tree, the > second is from 2.6.26. The lockdep self-tests all pass at boot. > > RTAS daemon started > RTAS: event: 295, Type: Dump Notification Event, Severity: 2 > ------------[ cut here ]------------ > Badness at kernel/lockdep.c:2719 <snip> I'm observing nearly the same thing (minus the ipr related badness) here with Ben's powerpc.git (master) on a JS22 blade: Freeing initrd memory: 2676k freed RTAS daemon started RTAS: event: 94, Type: Platform Information Event, Severity: 1 ------------[ cut here ]------------ Badness at kernel/lockdep.c:2079 NIP: c0000000000846dc LR: c0000000000846c0 CTR: 0000000000000000 REGS: c0000001e353f9c0 TRAP: 0700 Not tainted (2.6.26) MSR: 8000000000029032 <EE,ME,IR,DR> CR: 24000042 XER: 20000010 TASK = c0000000efa58640[115] 'rtasd' THREAD: c0000001e353c000 CPU: 3 GPR00: 0000000000000000 c0000001e353fc40 c0000000004efe50 0000000000000001 GPR04: 0000000000000001 c00000000003cc94 0000000000000001 636820202d203230 GPR08: 3465303000000000 c0000000009627a8 c0000000efa58e88 0000000000000001 GPR12: 3465303038200d0a c000000000525900 c000000000395ba0 4000000000c00000 GPR16: c0000000003943c8 0000000000000000 000000000029d000 000000000101c920 GPR20: 0000000000000000 0000000000000001 0000000000000744 0000000000000001 GPR24: c000000000538cf0 c0000001e3e74000 c00000000041b48c c0000000004c0060 GPR28: c0000000000847a4 c0000000efa58640 c0000000004b18d0 c0000001e353fc40 NIP [c0000000000846dc] .trace_hardirqs_on_caller+0xc4/0x170 LR [c0000000000846c0] .trace_hardirqs_on_caller+0xa8/0x170 Call Trace: [c0000001e353fcd0] [c0000000000847a4] .trace_hardirqs_on+0x1c/0x30 [c0000001e353fd50] [c0000000002df554] ._spin_unlock_irqrestore+0x68/0xb8 [c0000001e353fde0] [c00000000003cc94] .pSeries_log_error+0x3a4/0x400 [c0000001e353fef0] [c00000000003cf28] .rtasd+0x98/0x100 [c0000001e353ff90] [c0000000000295f8] .kernel_thread+0x4c/0x68 Instruction dump: 901d07ec 880d01ca 2fa00000 41be002c 481300a1 60000000 2fa30000 419e00a0 e93e80f8 80090000 2f800000 409e0090 <0fe00000> 48000088 e92d01a0 8009082c Installing knfsd (copyright (C) 1996 [EMAIL PROTECTED]). msgmni has been set to 15071 Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254) ... Sebastien. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
