Hi, On Wed, Apr 18, 2012 at 03:17:29PM +0300, Tomi Valkeinen wrote: > Hi, > > I was updating my tree to latest rc from Linus, and noticed that there's > a crash related to USB on omap4 blaze board. It happens on both Linus's > master branch and v3.4-rc3. > > [ 1.755615] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host) > [ 1.762512] Unhandled fault: imprecise external abort (0x1406) at 0xfaf376f4 > [ 1.770111] Internal error: : 1406 [#1] SMP ARM > [ 1.774841] Modules linked in: > [ 1.778045] CPU: 0 Not tainted (3.4.0-rc3-00036-g592fe89 #213) > [ 1.784545] PC is at __dabt_invalid+0x0/0x10 > [ 1.789001] LR is at omap2430_musb_init+0xac/0x104 > [ 1.794036] pc : [<c047f6d0>] lr : [<c03548a4>] psr: 60000093 > [ 1.794036] sp : dd831dc8 ip : fc0ab000 fp : ddb9b1dc > [ 1.806060] r10: ddb9a128 r9 : dd127ac0 r8 : fc0ab000 > [ 1.811523] r7 : dd117c08 r6 : c06e3390 r5 : dd117c08 r4 : ddb9a128 > [ 1.818359] r3 : 00000000 r2 : c03549e0 r1 : ddb9a394 r0 : c071ac0c > [ 1.825195] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel > [ 1.832946] Control: 10c53c7d Table: 8000404a DAC: 00000017 > [ 1.838989] Process swapper/0 (pid: 1, stack limit = 0xdd8302f8) > [ 1.845275] Stack: (0xdd831dc8 to 0xdd832000) > [ 1.849822] 1dc0: 0000007c dd117c00 00000010 c04742c0 dd116950 00000000 > [ 1.858398] 1de0: c0c64d58 dd117c08 c0c64d58 c0c64d68 00000000 c070e404 00000000 c063b184 > [ 1.866973] 1e00: 00000000 c02aa1cc c02aa1b4 c02a8e1c c02aa454 dd117c08 c02a9034 00000000 > [ 1.875549] 1e20: 00000000 c0c64d14 c063b184 c02a7544 dd8402d8 dd112494 dd117c08 dd117c3c > [ 1.884124] 1e40: c0701fc8 c02a8d40 dd117c08 dd117c08 c0701fc8 c02a8320 dd117c08 dd117c10 > [ 1.892669] 1e60: dd96f408 c02a6ba8 c06eaf40 00000000 dd112378 dd96f408 dd112340 c0683bd8 > [ 1.901245] 1e80: 00000000 dd117c00 dd117c08 00000003 dd96f408 dd112340 c0683bd8 c063b184 > [ 1.909820] 1ea0: 00000000 c02aa7e4 dd117c00 00000000 dd127b00 dd96f408 dd970c00 c0474c44 > [ 1.918395] 1ec0: dd96f408 c0c64d58 c0c64d68 00000000 c070e4c4 c02aa1cc c02aa1b4 c02a8e1c > [ 1.926971] 1ee0: 22222222 dd96f408 c070e4c4 dd96f43c 00000000 0000009d c063b184 c02a9030 > [ 1.935516] 1f00: c070e4c4 c02a8f9c 00000000 c02a75c0 dd8402a8 dd968690 c070e4c4 c0701fc8 > [ 1.944091] 1f20: dd1123c0 c02a84d0 c058dbcc 00000000 dd8489c0 c070e4c4 c071aa00 dd830000 > [ 1.952667] 1f40: 00000000 0000009d c0683bd8 c063b184 00000000 c02a9564 00000000 c066c10c > [ 1.961242] 1f60: c071aa00 dd830000 00000000 0000009d c063b184 c0008718 0000009c c06143d0 > [ 1.969818] 1f80: c10731d5 c0661100 00000001 00000000 00000000 c058210c 00000006 00000006 > [ 1.978363] 1fa0: 60000013 c066c10c 00000006 c066c0ec c071aa00 0000009d c0683bd8 c063b184 > [ 1.986938] 1fc0: 00000000 c063b8f4 00000006 00000006 c063b184 00000000 00000000 c063b804 > [ 1.995513] 1fe0: c0014de4 00000013 00000000 00000000 00000000 c0014de4 40000080 effbdffb > [ 2.004089] [<c047f6d0>] (__dabt_invalid+0x0/0x10) from [<c03548a4>] (omap2430_musb_init+0xac/0x104) > [ 2.013671] [<c03548a4>] (omap2430_musb_init+0xac/0x104) from [<c04742c0>] (musb_probe+0x1bc/0x568) > [ 2.023162] [<c04742c0>] (musb_probe+0x1bc/0x568) from [<c02aa1cc>] (platform_drv_probe+0x18/0x1c) > [ 2.032562] [<c02aa1cc>] (platform_drv_probe+0x18/0x1c) from [<c02a8e1c>] (driver_probe_device+0x9c/0x21c) > > > Attached is the full log and my config. Also, this doesn't happen every > time. Sometimes I see this, after which the boot continues: > > [ 1.778167] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host) > [ 1.785064] ------------[ cut here ]------------ > [ 1.785278] musb-hdrc musb-hdrc: musb_init_controller failed with status -22 > [ 1.785339] musb-hdrc: probe of musb-hdrc failed with error -22 > [ 1.803680] WARNING: at arch/arm/mach-omap2/omap_l3_noc.c:113 l3_interrupt_handler+0x184/0x1c4() > [ 1.812866] L3 custom error: MASTER:MPU TARGET:L4CFG > [ 1.818084] Modules linked in: > [ 1.821319] [<c001b4ec>] (unwind_backtrace+0x0/0xf0) from [<c003f6f0>] (warn_slowpath_common+0x4c > /0x64) > [ 1.831176] [<c003f6f0>] (warn_slowpath_common+0x4c/0x64) from [<c003f79c>] (warn_slowpath_fmt+0x > 30/0x40) > [ 1.841217] [<c003f79c>] (warn_slowpath_fmt+0x30/0x40) from [<c0033c08>] (l3_interrupt_handler+0x > 184/0x1c4) > [ 1.851440] [<c0033c08>] (l3_interrupt_handler+0x184/0x1c4) from [<c009cf44>] (handle_irq_event_p > ercpu+0x5c/0x248) > [ 1.862274] [<c009cf44>] (handle_irq_event_percpu+0x5c/0x248) from [<c009d16c>] (handle_irq_event > +0x3c/0x5c) > [ 1.872589] [<c009d16c>] (handle_irq_event+0x3c/0x5c) from [<c009fb90>] (handle_fasteoi_irq+0xbc/ > 0x194) > [ 1.882446] [<c009fb90>] (handle_fasteoi_irq+0xbc/0x194) from [<c009c758>] (generic_handle_irq+0x > 30/0x48) > [ 1.892517] [<c009c758>] (generic_handle_irq+0x30/0x48) from [<c0014b78>] (handle_IRQ+0x4c/0xac) > [ 1.901733] [<c0014b78>] (handle_IRQ+0x4c/0xac) from [<c000848c>] (gic_handle_irq+0x28/0x5c) > [ 1.910583] [<c000848c>] (gic_handle_irq+0x28/0x5c) from [<c047f924>] (__irq_svc+0x44/0x60) > [ 1.919342] Exception stack(0xc0689f58 to 0xc0689fa0) > [ 1.924621] 9f40: 000050a2 00000001 > [ 1.933197] 9f60: 00000000 c06aa590 c0688000 c071aac8 c048a2ec c06abd28 00000000 411fc092 > [ 1.941772] 9f80: c06abf50 00000000 00000001 c0689fa0 000050a3 c0014e5c 20000013 ffffffff > [ 1.950347] [<c047f924>] (__irq_svc+0x44/0x60) from [<c0014e5c>] (default_idle+0x38/0x44) > [ 1.958923] [<c0014e5c>] (default_idle+0x38/0x44) from [<c0015088>] (cpu_idle+0x9c/0x114) > [ 1.967529] [<c0015088>] (cpu_idle+0x9c/0x114) from [<c063b7b0>] (start_kernel+0x2bc/0x310) > [ 1.976287] [<c063b7b0>] (start_kernel+0x2bc/0x310) from [<80008044>] (0x80008044) > [ 1.984283] ---[ end trace 16eab3b745e70cec ]--- please merge my fixes branch from my k.org tree git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git and see if you still have the same problem. There are a few fixes to musb which might solve this problem. -- balbi
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