usb 2-1.3: reset full speed USB device using fsl-ehci and address 4 cannot submit datapipe for urb 0, error -19: no device Unable to handle kernel NULL pointer dereference at virtual address 00000008 pgd = c0004000 [00000008] *pgd=00000000 Internal error: Oops: 17 [#1] PREEMPT Modules linked in: awl13_sdio CPU: 0 Not tainted (2.6.26-at25 #4) PC is at prepare_nodata_playback_urb+0xc8/0xe4 LR is at snd_complete_urb+0x74/0xac pc : [] lr : [] psr: 20000093 sp : c4aadb78 ip : c7cef190 fp : c4aadb9c r10: 00000000 r9 : c5d6d0d0 r8 : c7cef180 r7 : 00000002 r6 : 00000001 r5 : 00000020 r4 : c5e65810 r3 : 00000000 r2 : 00000040 r1 : 00000020 r0 : ff720000 Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 0005317f Table: 84a90000 DAC: 00000015 Process aplay (pid: 24900, stack limit = 0xc4aac268) Stack: (0xc4aadb78 to 0xc4aae000) db60: 00000001 c5e65810 db80: c7cef180 c5e65918 c5e619c0 00000000 c4aadbbc c4aadba0 c0208d84 c0208dcc dba0: c7cef180 00000000 c7cef180 c5d6d000 c4aadbd4 c4aadbc0 c01ade80 c0208d20 dbc0: c4aac000 00000000 c4aadbfc c4aadbd8 c01bc4dc c01ade38 c4aadc14 ff7320c0 dbe0: c4b313c0 00000000 85ed2ae4 00000000 c4aadc54 c4aadc00 c01beb70 c01bc390 dc00: 00000000 ff707304 c5e36304 00000800 000000c1 000000c1 00000609 c5d6d000 dc20: 00000304 00000608 c0350e10 00000000 40000013 c5d6d0d0 c4aac000 00000001 dc40: c4aac000 c5d6d000 c4aadc84 c4aadc58 c01c3228 c01be384 c0060a94 c5d6d000 dc60: 40000013 00000000 00000025 00000000 c4aac000 00000000 c4aadc9c c4aadc88 dc80: c01adb38 c01c3078 c5e3a4e0 00000000 c4aadcbc c4aadca0 c006e270 c01adb04 dca0: c4aac000 c0350e80 c5e3a4e0 00000025 c4aadcdc c4aadcc0 c006fb80 c006e23c dcc0: c0350e80 00000025 c0372e68 00000000 c4aadcfc c4aadce0 c0028048 c006fae8 dce0: ffffffff fc400000 00250000 00000001 c4aadd5c c4aadd00 c00287a4 c0028010 dd00: c5e65810 00000000 00000000 c5e63e20 c5e619c0 c5e61ac0 c5e61ba0 c403aee0 dd20: c52952e0 08430000 00000000 c4aadd5c c4aadd60 c4aadd48 c0208c44 c02069c8 dd40: 60000013 ffffffff c403aee0 c5e619c0 c4aadd74 c4aadd60 c01fa6ac c0208c10 dd60: c403aee0 c5e619c0 c4aadd9c c4aadd78 c01fa738 c01fa66c 00000008 c52952e0 dd80: 00000008 c224f3b8 c7956218 c7c0ce20 c4aaddcc c4aadda0 c009c4e8 c01fa700 dda0: 00000000 00000000 c4aaddcc c52952e0 00000000 c7cda8e0 00000010 c7cda8e0 ddc0: c4aadddc c4aaddd0 c009c614 c009c444 c4aaddfc c4aadde0 c0098e44 c009c5f0 dde0: 00000000 00000000 00000001 c7cda8e8 c4aade24 c4aade00 c00452c0 c0098df0 de00: c7cda8e0 c15433a0 c4aac000 c5d54700 c4aac000 00000000 c4aade3c c4aade28 de20: c004533c c0045210 08430000 00000009 c4aade64 c4aade40 c0046b98 c00452f4 de40: c0051bdc c004e7cc c0369ed8 00000001 c4aadf10 c004dee8 c4aade7c c4aade68 de60: c0047178 c0046a4c c4aaded0 00000009 c4aadeb4 c4aade80 c00521dc c0047138 de80: c4aadfb0 c4aadf50 c004dee8 00000000 c4aadfb0 c4aac000 00000001 c4aaded0 dea0: c4aac000 c15435ec c4aadf9c c4aadeb8 c002b03c c0051fe4 c003ea74 c0295778 dec0: c4aadedc 20000013 c00556d8 c036eee0 00000009 00000000 00000000 00000000 dee0: 00000000 c003e9f4 c4aadf04 c4aadef8 c004def8 c7c14370 c4aadf2c c4aadf08 df00: c012fad8 c012f5cc 00000000 c0369ed8 c7ce23d0 c7ce23c8 c4aac000 c4aac000 df20: c15433a0 00000015 c4aac000 c5d4b7e0 c4aadf5c c4aadf40 c005f5cc c005eea8 df40: 00000000 c1543508 c4ab801c c15433a0 c4aadf74 c4aadf60 c005f61c c005f5ac df60: c227a220 c7ce23a0 c4aadfac c4aadf78 c0295448 ffffffff fc400000 ffffffff df80: 00000001 00000000 c4aac000 00000024 c4aadfac c4aadfa0 c002b4e8 c002afe4 dfa0: 00000000 c4aadfb0 c0028bcc c002b4cc 40000000 00000080 00000008 0000000b dfc0: 00080000 00270000 00003dda 00001eed 00100000 00000f76 00000024 00031674 dfe0: 00000027 beb24850 401af5a4 401efe00 20000010 ffffffff 00000000 00000000 Backtrace: [] (prepare_nodata_playback_urb+0x0/0xe4) from [] (snd_complete_urb+0x74/0xac) r8:00000000 r7:c5e619c0 r6:c5e65918 r5:c7cef180 r4:c5e65810 [] (snd_complete_urb+0x0/0xac) from [] (usb_hcd_giveback_urb+0x58/0xd0) r7:c5d6d000 r6:c7cef180 r5:00000000 r4:c7cef180 [] (usb_hcd_giveback_urb+0x0/0xd0) from [] (ehci_urb_done+0x15c/0x1a0) r5:00000000 r4:c4aac000 [] (ehci_urb_done+0x0/0x1a0) from [] (ehci_work+0x7fc/0xaa8) r8:00000000 r7:85ed2ae4 r6:00000000 r5:c4b313c0 r4:ff7320c0 [] (ehci_work+0x0/0xaa8) from [] (ehci_irq+0x1c0/0x1dc) [] (ehci_irq+0x0/0x1dc) from [] (usb_hcd_irq+0x44/0xac) [] (usb_hcd_irq+0x0/0xac) from [] (handle_IRQ_event+0x44/0x84) r5:00000000 r4:c5e3a4e0 [] (handle_IRQ_event+0x0/0x84) from [] (handle_level_irq+0xa8/0x150) r7:00000025 r6:c5e3a4e0 r5:c0350e80 r4:c4aac000 [] (handle_level_irq+0x0/0x150) from [] (__exception_text_start+0x48/0x60) r7:00000000 r6:c0372e68 r5:00000025 r4:c0350e80 [] (__exception_text_start+0x0/0x60) from [] (__irq_svc+0x44/0x88) Exception stack(0xc4aadd00 to 0xc4aadd48) dd00: c5e65810 00000000 00000000 c5e63e20 c5e619c0 c5e61ac0 c5e61ba0 c403aee0 dd20: c52952e0 08430000 00000000 c4aadd5c c4aadd60 c4aadd48 c0208c44 c02069c8 dd40: 60000013 ffffffff r7:00000001 r6:00250000 r5:fc400000 r4:ffffffff [] (snd_usb_hw_free+0x0/0x5c) from [] (snd_pcm_release_substream+0x50/0x94) r4:c5e619c0 [] (snd_pcm_release_substream+0x0/0x94) from [] (snd_pcm_release+0x48/0x8c) r4:c5e619c0 [] (snd_pcm_release+0x0/0x8c) from [] (__fput+0xb4/0x1ac) r8:c7c0ce20 r7:c7956218 r6:c224f3b8 r5:00000008 r4:c52952e0 [] (__fput+0x0/0x1ac) from [] (fput+0x34/0x38) r8:c7cda8e0 r7:00000010 r6:c7cda8e0 r5:00000000 r4:c52952e0 [] (fput+0x0/0x38) from [] (filp_close+0x64/0x88) [] (filp_close+0x0/0x88) from [] (put_files_struct+0xc0/0xe4) r6:c7cda8e8 r5:00000001 r4:00000000 [] (put_files_struct+0x0/0xe4) from [] (exit_files+0x58/0x6c) [] (exit_files+0x0/0x6c) from [] (do_exit+0x15c/0x6ec) r4:00000009 [] (do_exit+0x0/0x6ec) from [] (do_group_exit+0x50/0xdc) [] (do_group_exit+0x0/0xdc) from [] (get_signal_to_deliver+0x208/0x434) r5:00000009 r4:c4aaded0 [] (get_signal_to_deliver+0x0/0x434) from [] (do_signal+0x68/0x4e8) [] (do_signal+0x0/0x4e8) from [] (do_notify_resume+0x2c/0x30) [] (do_notify_resume+0x0/0x30) from [] (work_pending+0x1c/0x20) Code: e5882044 e598003c 0a000005 e5943018 (e5931008) Kernel panic - not syncing: Fatal exception in interrupt