On Mon, 2008-10-06 at 14:30 +0200, Johannes Berg wrote: > On Fri, 2008-09-12 at 04:10 +0200, Marcel Holtmann wrote: > > > I take this back. It took a couple of hours, but it crashed again. > > Do you have 64k pages enabled? My issue goes away entirely when I > disable 64k pages. Well, clearly not entirely. But it's holding up much better now. [ 325.379292] iommu_free: invalid entry [ 325.379309] entry = 0x848c0 [ 325.379315] dma_addr = 0x848c0100 [ 325.379321] Table = 0xc00000000083f348 [ 325.379328] bus# = 0x0 [ 325.379333] size = 0x80000 [ 325.379339] startOff = 0x0 [ 325.379345] index = 0x0 [ 325.379356] ------------[ cut here ]------------ [ 325.379364] Badness at arch/powerpc/kernel/iommu.c:258 [ 325.379372] NIP: c000000000021b58 LR: c000000000021b54 CTR: c0000000000473d0 [ 325.379382] REGS: c00000021612ef60 TRAP: 0700 Tainted: G W (2.6.27-rc6-wl-01382-g0bea1f7-dirty) [ 325.379390] MSR: 9000000000029032 <EE,ME,IR,DR> CR: 48ff4f84 XER: 000fffff [ 325.379427] TASK = c0000002161049a0[0] 'swapper' THREAD: c00000021612c000 CPU: 1 [ 325.379439] GPR00: c000000000021b54 c00000021612f1e0 c00000000080bb60 0000000000000023 [ 325.379463] GPR04: 0000000000000001 c00000000003e18c 0000000000000000 0000000000000002 [ 325.379488] GPR08: 0000000000000000 c00000021612c000 0000000000000001 0000000000000001 [ 325.379512] GPR12: 00000000000186a0 c00000000083c500 c000000000011fe4 c00000021612c080 [ 325.379536] GPR16: 0000000000000000 c00000020cb85ca0 c00000021612c000 c00000020cb85cb8 [ 325.379561] GPR20: 0000000000000001 c00000020cb91d80 0000000000000019 0000000000000008 [ 325.379585] GPR24: c00000020cb91d80 c00000020cb93ff8 00000000848c0100 0000000000000001 [ 325.379609] GPR28: 00000000000848c0 c00000000083f348 c00000000079ca00 00000000000848c0 [ 325.379647] NIP [c000000000021b58] .__iommu_free+0xe4/0x150 [ 325.379656] LR [c000000000021b54] .__iommu_free+0xe0/0x150 [ 325.379663] Call Trace: [ 325.379672] [c00000021612f1e0] [c000000000021b54] .__iommu_free+0xe0/0x150 (unreliable) [ 325.379690] [c00000021612f280] [c000000000021c1c] .iommu_free+0x58/0xc0 [ 325.379705] [c00000021612f320] [c000000000021978] .dma_iommu_unmap_single+0x14/0x28 [ 325.379745] [c00000021612f390] [d00000000035cc3c] .iwl_tx_cmd_complete+0x364/0x410 [iwlcore] [ 325.379779] [c00000021612f440] [d0000000003218c8] .iwl_rx_handle+0x32c/0x4a0 [iwlagn] [ 325.379805] [c00000021612f540] [d0000000003223b8] .iwl4965_irq_tasklet+0x97c/0xccc [iwlagn] [ 325.379820] [c00000021612f600] [c000000000055240] .tasklet_action+0x14c/0x244 [ 325.379833] [c00000021612f6b0] [c000000000056130] .__do_softirq+0xd8/0x1c4 [ 325.379848] [c00000021612f760] [c00000000000c2b8] .do_softirq+0x5c/0xb8 [ 325.379862] [c00000021612f7e0] [c000000000055b6c] .irq_exit+0x74/0xe0 [ 325.379876] [c00000021612f860] [c00000000000c41c] .do_IRQ+0x108/0x14c [ 325.379889] [c00000021612f8f0] [c000000000004794] hardware_interrupt_entry+0x1c/0x20 [ 325.379909] --- Exception: 501 at .raw_local_irq_restore+0x3c/0x40 [ 325.379911] LR = ._spin_unlock_irq+0x44/0x80 [ 325.379922] [c00000021612fbe0] [c0000000003ed864] ._spin_unlock_irq+0x38/0x80 (unreliable) [ 325.379941] [c00000021612fc70] [c000000000045fcc] .finish_task_switch+0x70/0x14c [ 325.379984] [c00000021612fd10] [c0000000003ea008] .schedule+0x94c/0xa28 [ 325.380000] [c00000021612fe30] [c000000000011fe4] .cpu_idle+0x1ec/0x200 [ 325.380014] [c00000021612fed0] [c0000000003f4b78] .start_secondary+0x36c/0x3a8 [ 325.380030] [c00000021612ff90] [c0000000000073c0] .start_secondary_prolog+0xc/0x10 [ 325.380045] Instruction dump: [ 325.380057] e89d0008 e87e8050 483d2695 60000000 e89d0010 e87e8058 483d2685 60000000 [ 325.380108] e87e8060 e89d0020 483d2675 60000000 <0fe00000> 48000040 e93e8068 7fe4fb78 [ 370.135933] iommu_free: invalid entry [ 370.136005] entry = 0xcb640 [ 370.136011] dma_addr = 0xcb640100 [ 370.136017] Table = 0xc00000000083f348 [ 370.136023] bus# = 0x0 [ 370.136029] size = 0x80000 [ 370.136035] startOff = 0x0 [ 370.136041] index = 0x0 [ 370.136052] ------------[ cut here ]------------ [ 370.136060] Badness at arch/powerpc/kernel/iommu.c:258 [ 370.136068] NIP: c000000000021b58 LR: c000000000021b54 CTR: c0000000000473d0 [ 370.136078] REGS: c000000211276da0 TRAP: 0700 Tainted: G W (2.6.27-rc6-wl-01382-g0bea1f7-dirty) [ 370.136086] MSR: 9000000000029032 <EE,ME,IR,DR> CR: 28004884 XER: 000fffff [ 370.136122] TASK = c0000002112424d0[3560] 'nmbd' THREAD: c000000211274000 CPU: 1 [ 370.136133] GPR00: c000000000021b54 c000000211277020 c00000000080bb60 0000000000000023 [ 370.136157] GPR04: 0000000000000001 c00000000003e18c 0000000000000000 0000000000000002 [ 370.136181] GPR08: 0000000000000000 c000000211274000 0000000000000001 0000000000000000 [ 370.136205] GPR12: 00000000000186a0 c00000000083c500 000000000fc9e1c4 000000000000000e [ 370.136229] GPR16: 0000000000000000 c00000020cb85ca0 c000000211274000 c00000020cb85cb8 [ 370.136252] GPR20: 0000000000000001 c00000020cb91d80 00000000000000ad 0000000000000008 [ 370.136276] GPR24: c00000020cb91d80 c00000020cb93ff8 00000000cb640100 0000000000000001 [ 370.136300] GPR28: 00000000000cb640 c00000000083f348 c00000000079ca00 00000000000cb640 [ 370.136335] NIP [c000000000021b58] .__iommu_free+0xe4/0x150 [ 370.136345] LR [c000000000021b54] .__iommu_free+0xe0/0x150 [ 370.136352] Call Trace: [ 370.136361] [c000000211277020] [c000000000021b54] .__iommu_free+0xe0/0x150 (unreliable) [ 370.136378] [c0000002112770c0] [c000000000021c1c] .iommu_free+0x58/0xc0 [ 370.136392] [c000000211277160] [c000000000021978] .dma_iommu_unmap_single+0x14/0x28 [ 370.136432] [c0000002112771d0] [d00000000035cc3c] .iwl_tx_cmd_complete+0x364/0x410 [iwlcore] [ 370.136465] [c000000211277280] [d0000000003218c8] .iwl_rx_handle+0x32c/0x4a0 [iwlagn] [ 370.136491] [c000000211277380] [d0000000003223b8] .iwl4965_irq_tasklet+0x97c/0xccc [iwlagn] [ 370.136506] [c000000211277440] [c000000000055240] .tasklet_action+0x14c/0x244 [ 370.136519] [c0000002112774f0] [c000000000056130] .__do_softirq+0xd8/0x1c4 [ 370.136533] [c0000002112775a0] [c00000000000c2b8] .do_softirq+0x5c/0xb8 [ 370.136546] [c000000211277620] [c000000000055b6c] .irq_exit+0x74/0xe0 [ 370.136560] [c0000002112776a0] [c00000000001e1d4] .timer_interrupt+0xe4/0x12c [ 370.136573] [c000000211277740] [c000000000003614] decrementer_common+0x114/0x180 [ 370.136592] --- Exception: 901 at .kmem_cache_free+0x148/0x178 [ 370.136595] LR = .kmem_cache_free+0x148/0x178 [ 370.136605] [c000000211277a30] [c0000000000ecae8] .kmem_cache_free+0x13c/0x178 (unreliable) [ 370.136624] [c000000211277ae0] [c0000000000fb720] .putname+0x40/0x64 [ 370.136638] [c000000211277b60] [c0000000000fdddc] .user_path_at+0x70/0xb0 [ 370.136651] [c000000211277c90] [c0000000000f42b4] .vfs_stat_fd+0x2c/0x78 [ 370.136664] [c000000211277d30] [c0000000000f4474] .sys_stat64+0x24/0x54 [ 370.136677] [c000000211277e30] [c0000000000076d4] syscall_exit+0x0/0x40 [ 370.136688] Instruction dump: [ 370.136725] e89d0008 e87e8050 483d2695 60000000 e89d0010 e87e8058 483d2685 60000000 [ 370.136764] e87e8060 e89d0020 483d2675 60000000 <0fe00000> 48000040 e93e8068 7fe4fb78 [ 429.724965] iommu_free: invalid entry [ 429.725026] entry = 0xc00c0 [ 429.725032] dma_addr = 0xc00c0100 [ 429.725038] Table = 0xc00000000083f348 [ 429.725045] bus# = 0x0 [ 429.725051] size = 0x80000 [ 429.725057] startOff = 0x0 [ 429.725063] index = 0x0 [ 429.725073] ------------[ cut here ]------------ [ 429.725081] Badness at arch/powerpc/kernel/iommu.c:258 [ 429.725089] NIP: c000000000021b58 LR: c000000000021b54 CTR: c0000000000473d0 [ 429.725100] REGS: c00000021612f1b0 TRAP: 0700 Tainted: G W (2.6.27-rc6-wl-01382-g0bea1f7-dirty) [ 429.725108] MSR: 9000000000029032 <EE,ME,IR,DR> CR: 48ff4f84 XER: 000fffff [ 429.725145] TASK = c0000002161049a0[0] 'swapper' THREAD: c00000021612c000 CPU: 1 [ 429.725157] GPR00: c000000000021b54 c00000021612f430 c00000000080bb60 0000000000000023 [ 429.725182] GPR04: 0000000000000001 c00000000003e18c 0000000000000000 0000000000000002 [ 429.725206] GPR08: 0000000000000000 c00000021612c000 0000000000000001 0000000000000001 [ 429.725231] GPR12: 00000000000186a0 c00000000083c500 00000000f8000000 0000000000000000 [ 429.725255] GPR16: 0000000000000000 c00000020cb85ca0 c00000021612c000 c00000020cb85cb8 [ 429.725280] GPR20: 0000000000000001 c00000020cb91d80 000000000000000d 0000000000000008 [ 429.725304] GPR24: c00000020cb91d80 c00000020cb93ff8 00000000c00c0100 0000000000000001 [ 429.725329] GPR28: 00000000000c00c0 c00000000083f348 c00000000079ca00 00000000000c00c0 [ 429.725365] NIP [c000000000021b58] .__iommu_free+0xe4/0x150 [ 429.725375] LR [c000000000021b54] .__iommu_free+0xe0/0x150 [ 429.725382] Call Trace: [ 429.725391] [c00000021612f430] [c000000000021b54] .__iommu_free+0xe0/0x150 (unreliable) [ 429.725409] [c00000021612f4d0] [c000000000021c1c] .iommu_free+0x58/0xc0 [ 429.725424] [c00000021612f570] [c000000000021978] .dma_iommu_unmap_single+0x14/0x28 [ 429.725464] [c00000021612f5e0] [d00000000035cc3c] .iwl_tx_cmd_complete+0x364/0x410 [iwlcore] [ 429.725497] [c00000021612f690] [d0000000003218c8] .iwl_rx_handle+0x32c/0x4a0 [iwlagn] [ 429.725523] [c00000021612f790] [d0000000003223b8] .iwl4965_irq_tasklet+0x97c/0xccc [iwlagn] [ 429.725539] [c00000021612f850] [c000000000055240] .tasklet_action+0x14c/0x244 [ 429.725552] [c00000021612f900] [c000000000056130] .__do_softirq+0xd8/0x1c4 [ 429.725567] [c00000021612f9b0] [c00000000000c2b8] .do_softirq+0x5c/0xb8 [ 429.725580] [c00000021612fa30] [c000000000055b6c] .irq_exit+0x74/0xe0 [ 429.725594] [c00000021612fab0] [c00000000000c41c] .do_IRQ+0x108/0x14c [ 429.725608] [c00000021612fb40] [c000000000004794] hardware_interrupt_entry+0x1c/0x20 [ 429.725625] --- Exception: 501 at .cpu_idle+0x118/0x200 [ 429.725627] LR = .cpu_idle+0x118/0x200 [ 429.725638] [c00000021612fe30] [c000000000011ec8] .cpu_idle+0xd0/0x200 (unreliable) [ 429.725658] [c00000021612fed0] [c0000000003f4b78] .start_secondary+0x36c/0x3a8 [ 429.725671] [c00000021612ff90] [c0000000000073c0] .start_secondary_prolog+0xc/0x10 [ 429.725682] Instruction dump: [ 429.725693] e89d0008 e87e8050 483d2695 60000000 e89d0010 e87e8058 483d2685 60000000 [ 429.725761] e87e8060 e89d0020 483d2675 60000000 <0fe00000> 48000040 e93e8068 7fe4fb78 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More 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