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am3715 crashed when plug and unplug usb cable

Other Parts Discussed in Thread: AM3715

I have platform with am3715 and android 4.0.3. When I use usb mass storage mode, I plug and unplug the usb cable to pc , somtimes the am3715 crashed, can someone give me advice? Following text is dumped message:

[ 1493.454254] enabling adb
[ 1493.489776] adb_open
[ 1518.106445] disabling adb
[ 1518.141693] adb_release
[ 1527.109832] enabling adb
[ 1527.142425] adb_open
[ 1527.933074] android_usb gadget: high speed config #1: android
[ 1528.032257] android_usb gadget: common->fsg is NULL in fsg_setup at 628
[ 1528.039245] ------------[ cut here ]------------
[ 1528.044128] WARNING: at drivers/usb/gadget/f_mass_storage.c:468 fsg_setup+0x6c/0x114()
[ 1528.052459] Modules linked in: omaplfb pvrsrvkm
[ 1528.057220] Backtrace:
[ 1528.059844] [<c004f65c>] (dump_backtrace+0x0/0x110) from [<c04eaac8>] (dump_stack+0x18/0x1c)
[ 1528.068725]  r7:00000009 r6:000001d4 r5:c035b7ac r4:00000000
[ 1528.074737] [<c04eaab0>] (dump_stack+0x0/0x1c) from [<c0079174>] (warn_slowpath_common+0x54/0x6c)
[ 1528.084075] [<c0079120>] (warn_slowpath_common+0x0/0x6c) from [<c00791b0>] (warn_slowpath_null+0x24/0x2c)
[ 1528.094146]  r9:a0000193 r8:0000000d r7:00000000 r6:00000001 r5:00000001
[ 1528.101043] r4:00000000
[ 1528.103820] [<c007918c>] (warn_slowpath_null+0x0/0x2c) from [<c035b7ac>] (fsg_setup+0x6c/0x114)
[ 1528.112976] [<c035b740>] (fsg_setup+0x0/0x114) from [<c0358de0>] (composite_setup+0xcb8/0xdb8)
[ 1528.122039]  r7:00000000 r6:00000001 r5:db2b5df4 r4:df2dfdc0
[ 1528.128051] [<c0358128>] (composite_setup+0x0/0xdb8) from [<c03511e4>] (musb_g_ep0_irq+0x94c/0xa40)
[ 1528.137573] [<c0350898>] (musb_g_ep0_irq+0x0/0xa40) from [<c03501ec>] (musb_interrupt+0x7fc/0x8f0)
[ 1528.147003] [<c034f9f0>] (musb_interrupt+0x0/0x8f0) from [<c035034c>] (generic_interrupt+0x6c/0x98)
[ 1528.156555] [<c03502e0>] (generic_interrupt+0x0/0x98) from [<c00b0b94>] (handle_IRQ_event+0x74/0x198)
[ 1528.166259]  r7:c06e4b40 r6:0000005c r5:0000005c r4:df0b9300
[ 1528.172271] [<c00b0b20>] (handle_IRQ_event+0x0/0x198) from [<c00b2e68>] (handle_level_irq+0xb8/0x128)
[ 1528.181976] [<c00b2db0>] (handle_level_irq+0x0/0x128) from [<c004007c>] (asm_do_IRQ+0x7c/0xa0)
[ 1528.191040]  r5:db2b5fb0 r4:0000005c
[ 1528.194824] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecd34>] (__irq_svc+0x34/0x80)
[ 1528.203155] Exception stack(0xdb2b5ef8 to 0xdb2b5f40)
[ 1528.208465] 5ee0:                                                       db2b5f40 0000000a
[ 1528.217102] 5f00: 00000000 00000100 db2b4000 00000002 00000000 c06e4b40 c06ce6a0 db2b4000
[ 1528.225708] 5f20: 0000007f db2b5f84 db2b5f88 db2b5f40 c007f35c c007f198 20000113 ffffffff
[ 1528.234313]  r5:fa200000 r4:ffffffff
[ 1528.238098] [<c007f14c>] (__do_softirq+0x0/0x1c8) from [<c007f35c>] (irq_exit+0x48/0x94)
[ 1528.246643] [<c007f314>] (irq_exit+0x0/0x94) from [<c0040080>] (asm_do_IRQ+0x80/0xa0)
[ 1528.254882] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecf1c>] (__irq_usr+0x3c/0x80)
[ 1528.263214] Exception stack(0xdb2b5fb0 to 0xdb2b5ff8)
[ 1528.268554] 5fa0:                                     00001200 00000001 00000122 00000121
[ 1528.277160] 5fc0: 01211999 0000006c 4a1220a0 00011111 000001ff 01221999 0000007f 000001e4
[ 1528.285766] 5fe0: 00000121 4a122020 00000122 406895f4 80000010 ffffffff
[ 1528.292724]  r5:fa200000 r4:ffffffff
[ 1528.296508] ---[ end trace a444060ea6f13d00 ]---
[ 1528.301361] android_usb gadget: common->fsg is NULL in fsg_setup at 628
[ 1528.308319] ------------[ cut here ]------------
[ 1528.313201] WARNING: at drivers/usb/gadget/f_mass_storage.c:468 fsg_setup+0x6c/0x114()
[ 1528.321502] Modules linked in: omaplfb pvrsrvkm
[ 1528.326293] Backtrace:
[ 1528.328887] [<c004f65c>] (dump_backtrace+0x0/0x110) from [<c04eaac8>] (dump_stack+0x18/0x1c)
[ 1528.337768]  r7:00000009 r6:000001d4 r5:c035b7ac r4:00000000
[ 1528.343750] [<c04eaab0>] (dump_stack+0x0/0x1c) from [<c0079174>] (warn_slowpath_common+0x54/0x6c)
[ 1528.353118] [<c0079120>] (warn_slowpath_common+0x0/0x6c) from [<c00791b0>] (warn_slowpath_null+0x24/0x2c)
[ 1528.363189]  r9:a0000193 r8:0000000d r7:00000000 r6:00000001 r5:00000001
[ 1528.370056] r4:00000000
[ 1528.372863] [<c007918c>] (warn_slowpath_null+0x0/0x2c) from [<c035b7ac>] (fsg_setup+0x6c/0x114)
[ 1528.382019] [<c035b740>] (fsg_setup+0x0/0x114) from [<c0357650>] (android_setup_config+0x40/0x68)
[ 1528.391357]  r7:db2b5df4 r6:c06b93e0 r5:00000002 r4:c06b93e8
[ 1528.397369] [<c0357610>] (android_setup_config+0x0/0x68) from [<c0358e14>] (composite_setup+0xcec/0xdb8)
[ 1528.407318]  r7:ffffffa1 r6:c06b93e0 r5:db2b5df4 r4:df2dfde4
[ 1528.413330] [<c0358128>] (composite_setup+0x0/0xdb8) from [<c03511e4>] (musb_g_ep0_irq+0x94c/0xa40)
[ 1528.422851] [<c0350898>] (musb_g_ep0_irq+0x0/0xa40) from [<c03501ec>] (musb_interrupt+0x7fc/0x8f0)
[ 1528.432312] [<c034f9f0>] (musb_interrupt+0x0/0x8f0) from [<c035034c>] (generic_interrupt+0x6c/0x98)
[ 1528.441833] [<c03502e0>] (generic_interrupt+0x0/0x98) from [<c00b0b94>] (handle_IRQ_event+0x74/0x198)
[ 1528.451538]  r7:c06e4b40 r6:0000005c r5:0000005c r4:df0b9300
[ 1528.457519] [<c00b0b20>] (handle_IRQ_event+0x0/0x198) from [<c00b2e68>] (handle_level_irq+0xb8/0x128)
[ 1528.467254] [<c00b2db0>] (handle_level_irq+0x0/0x128) from [<c004007c>] (asm_do_IRQ+0x7c/0xa0)
[ 1528.476318]  r5:db2b5fb0 r4:0000005c
[ 1528.480102] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecd34>] (__irq_svc+0x34/0x80)
[ 1528.488433] Exception stack(0xdb2b5ef8 to 0xdb2b5f40)
[ 1528.493743] 5ee0:                                                       db2b5f40 0000000a
[ 1528.502349] 5f00: 00000000 00000100 db2b4000 00000002 00000000 c06e4b40 c06ce6a0 db2b4000
[ 1528.510986] 5f20: 0000007f db2b5f84 db2b5f88 db2b5f40 c007f35c c007f198 20000113 ffffffff
[ 1528.519561]  r5:fa200000 r4:ffffffff
[ 1528.523376] [<c007f14c>] (__do_softirq+0x0/0x1c8) from [<c007f35c>] (irq_exit+0x48/0x94)
[ 1528.531890] [<c007f314>] (irq_exit+0x0/0x94) from [<c0040080>] (asm_do_IRQ+0x80/0xa0)
[ 1528.540161] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecf1c>] (__irq_usr+0x3c/0x80)
[ 1528.548492] Exception stack(0xdb2b5fb0 to 0xdb2b5ff8)
[ 1528.553802] 5fa0:                                     00001200 00000001 00000122 00000121
[ 1528.562408] 5fc0: 01211999 0000006c 4a1220a0 00011111 000001ff 01221999 0000007f 000001e4
[ 1528.571044] 5fe0: 00000121 4a122020 00000122 406895f4 80000010 ffffffff
[ 1528.577972]  r5:fa200000 r4:ffffffff
[ 1528.581756] ---[ end trace a444060ea6f13d01 ]---
[ 1528.587127] android_usb gadget: common->fsg is NULL in fsg_setup at 628
[ 1528.594085] ------------[ cut here ]------------
[ 1528.598937] WARNING: at drivers/usb/gadget/f_mass_storage.c:468 fsg_setup+0x6c/0x114()
[ 1528.607269] Modules linked in: omaplfb pvrsrvkm
[ 1528.612060] Backtrace:
[ 1528.614654] [<c004f65c>] (dump_backtrace+0x0/0x110) from [<c04eaac8>] (dump_stack+0x18/0x1c)
[ 1528.623535]  r7:00000009 r6:000001d4 r5:c035b7ac r4:00000000
[ 1528.629516] [<c04eaab0>] (dump_stack+0x0/0x1c) from [<c0079174>] (warn_slowpath_common+0x54/0x6c)
[ 1528.638885] [<c0079120>] (warn_slowpath_common+0x0/0x6c) from [<c00791b0>] (warn_slowpath_null+0x24/0x2c)
[ 1528.648925]  r9:a0000193 r8:0000000d r7:00000000 r6:00000001 r5:00000001
[ 1528.655822] r4:00000000
[ 1528.658630] [<c007918c>] (warn_slowpath_null+0x0/0x2c) from [<c035b7ac>] (fsg_setup+0x6c/0x114)
[ 1528.667785] [<c035b740>] (fsg_setup+0x0/0x114) from [<c0358de0>] (composite_setup+0xcb8/0xdb8)
[ 1528.676849]  r7:00000000 r6:00000001 r5:db1ebc5c r4:df2dfdc0
[ 1528.682861] [<c0358128>] (composite_setup+0x0/0xdb8) from [<c03511e4>] (musb_g_ep0_irq+0x94c/0xa40)
[ 1528.692382] [<c0350898>] (musb_g_ep0_irq+0x0/0xa40) from [<c03501ec>] (musb_interrupt+0x7fc/0x8f0)
[ 1528.701812] [<c034f9f0>] (musb_interrupt+0x0/0x8f0) from [<c035034c>] (generic_interrupt+0x6c/0x98)
[ 1528.711364] [<c03502e0>] (generic_interrupt+0x0/0x98) from [<c00b0b94>] (handle_IRQ_event+0x74/0x198)
[ 1528.721038]  r7:0014fb18 r6:0000005c r5:0000005c r4:df0b9300
[ 1528.727050] [<c00b0b20>] (handle_IRQ_event+0x0/0x198) from [<c00b2e68>] (handle_level_irq+0xb8/0x128)
[ 1528.736785] [<c00b2db0>] (handle_level_irq+0x0/0x128) from [<c004007c>] (asm_do_IRQ+0x7c/0xa0)
[ 1528.745819]  r5:00000000 r4:0000005c
[ 1528.749633] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecd34>] (__irq_svc+0x34/0x80)
[ 1528.757934] Exception stack(0xdb1ebd60 to 0xdb1ebda8)
[ 1528.763275] bd60: df362008 00000004 c06b0020 c02d8e1c 00000000 df362008 00000004 0014fb18
[ 1528.771881] bd80: df36ddd0 00000000 df046808 db1ebdc4 db1ebda8 db1ebda8 c02de2c0 c02d8e1c
[ 1528.780487] bda0: a0000113 ffffffff
[ 1528.784149]  r5:fa200000 r4:ffffffff
[ 1528.787963] [<c02de18c>] (rpm_idle+0x0/0x16c) from [<c02de390>] (__pm_runtime_idle+0x44/0x5c)
[ 1528.796936]  r7:0014fb18 r6:c068c260 r5:00000001 r4:60000113
[ 1528.802947] [<c02de34c>] (__pm_runtime_idle+0x0/0x5c) from [<c005fab0>] (sr_disable+0x1c4/0x210)
[ 1528.812164]  r5:00000001 r4:df364640
[ 1528.815979] [<c005f8ec>] (sr_disable+0x0/0x210) from [<c005fc84>] (sr_class3_disable+0x20/0x38)
[ 1528.825103]  r5:00000000 r4:c068c2e0
[ 1528.828918] [<c005fc64>] (sr_class3_disable+0x0/0x38) from [<c005f320>] (omap_sr_disable+0x7c/0x90)
[ 1528.838409]  r5:00000000 r4:c068c2e0
[ 1528.842224] [<c005f2a4>] (omap_sr_disable+0x0/0x90) from [<c005d864>] (omap_voltage_scale+0x154/0x258)
[ 1528.852020]  r5:00000000 r4:c068c2e0
[ 1528.855804] [<c005d710>] (omap_voltage_scale+0x0/0x258) from [<c0069d98>] (omap_device_scale+0x10c/0x130)
[ 1528.865905] [<c0069c8c>] (omap_device_scale+0x0/0x130) from [<c006e578>] (omap_target+0x64/0x70)
[ 1528.875152]  r6:3b9aca00 r5:df046808 r4:df3644c0
[ 1528.880035] [<c006e514>] (omap_target+0x0/0x70) from [<c03aab94>] (__cpufreq_driver_target+0x30/0x40)
[ 1528.889739]  r6:df3644c0 r5:c06c0878 r4:c06c08e4
[ 1528.894653] [<c03aab64>] (__cpufreq_driver_target+0x0/0x40) from [<c03adb08>] (do_dbs_timer+0x334/0x398)
[ 1528.904632] [<c03ad7d4>] (do_dbs_timer+0x0/0x398) from [<c008eb48>] (process_one_work+0x278/0x3f8)
[ 1528.914093] [<c008e8d0>] (process_one_work+0x0/0x3f8) from [<c0090958>] (worker_thread+0x218/0x410)
[ 1528.923614] [<c0090740>] (worker_thread+0x0/0x410) from [<c00941dc>] (kthread+0x8c/0x94)
[ 1528.932159] [<c0094150>] (kthread+0x0/0x94) from [<c007c4d0>] (do_exit+0x0/0x638)
[ 1528.940032]  r7:00000013 r6:c007c4d0 r5:c0094150 r4:df031ec0
[ 1528.946014] ---[ end trace a444060ea6f13d02 ]---
[ 1528.950866] android_usb gadget: common->fsg is NULL in fsg_setup at 628
[ 1528.957824] ------------[ cut here ]------------
[ 1528.962707] WARNING: at drivers/usb/gadget/f_mass_storage.c:468 fsg_setup+0x6c/0x114()
[ 1528.971008] Modules linked in: omaplfb pvrsrvkm
[ 1528.975799] Backtrace:
[ 1528.978393] [<c004f65c>] (dump_backtrace+0x0/0x110) from [<c04eaac8>] (dump_stack+0x18/0x1c)
[ 1528.987274]  r7:00000009 r6:000001d4 r5:c035b7ac r4:00000000
[ 1528.993286] [<c04eaab0>] (dump_stack+0x0/0x1c) from [<c0079174>] (warn_slowpath_common+0x54/0x6c)
[ 1529.002624] [<c0079120>] (warn_slowpath_common+0x0/0x6c) from [<c00791b0>] (warn_slowpath_null+0x24/0x2c)
[ 1529.012695]  r9:a0000193 r8:0000000d r7:00000000 r6:00000001 r5:00000001
[ 1529.019592] r4:00000000
[ 1529.022369] [<c007918c>] (warn_slowpath_null+0x0/0x2c) from [<c035b7ac>] (fsg_setup+0x6c/0x114)
[ 1529.031524] [<c035b740>] (fsg_setup+0x0/0x114) from [<c0357650>] (android_setup_config+0x40/0x68)
[ 1529.040863]  r7:db1ebc5c r6:c06b93e0 r5:00000002 r4:c06b93e8
[ 1529.046875] [<c0357610>] (android_setup_config+0x0/0x68) from [<c0358e14>] (composite_setup+0xcec/0xdb8)
[ 1529.056823]  r7:ffffffa1 r6:c06b93e0 r5:db1ebc5c r4:df2dfde4
[ 1529.062835] [<c0358128>] (composite_setup+0x0/0xdb8) from [<c03511e4>] (musb_g_ep0_irq+0x94c/0xa40)
[ 1529.072357] [<c0350898>] (musb_g_ep0_irq+0x0/0xa40) from [<c03501ec>] (musb_interrupt+0x7fc/0x8f0)
[ 1529.081817] [<c034f9f0>] (musb_interrupt+0x0/0x8f0) from [<c035034c>] (generic_interrupt+0x6c/0x98)
[ 1529.091339] [<c03502e0>] (generic_interrupt+0x0/0x98) from [<c00b0b94>] (handle_IRQ_event+0x74/0x198)
[ 1529.101043]  r7:0014fb18 r6:0000005c r5:0000005c r4:df0b9300
[ 1529.107055] [<c00b0b20>] (handle_IRQ_event+0x0/0x198) from [<c00b2e68>] (handle_level_irq+0xb8/0x128)
[ 1529.116760] [<c00b2db0>] (handle_level_irq+0x0/0x128) from [<c004007c>] (asm_do_IRQ+0x7c/0xa0)
[ 1529.125823]  r5:00000000 r4:0000005c
[ 1529.129608] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecd34>] (__irq_svc+0x34/0x80)
[ 1529.137939] Exception stack(0xdb1ebd60 to 0xdb1ebda8)
[ 1529.143249] bd60: df362008 00000004 c06b0020 c02d8e1c 00000000 df362008 00000004 0014fb18
[ 1529.151885] bd80: df36ddd0 00000000 df046808 db1ebdc4 db1ebda8 db1ebda8 c02de2c0 c02d8e1c
[ 1529.160491] bda0: a0000113 ffffffff
[ 1529.164154]  r5:fa200000 r4:ffffffff
[ 1529.167938] [<c02de18c>] (rpm_idle+0x0/0x16c) from [<c02de390>] (__pm_runtime_idle+0x44/0x5c)
[ 1529.176910]  r7:0014fb18 r6:c068c260 r5:00000001 r4:60000113
[ 1529.182922] [<c02de34c>] (__pm_runtime_idle+0x0/0x5c) from [<c005fab0>] (sr_disable+0x1c4/0x210)
[ 1529.192138]  r5:00000001 r4:df364640
[ 1529.195953] [<c005f8ec>] (sr_disable+0x0/0x210) from [<c005fc84>] (sr_class3_disable+0x20/0x38)
[ 1529.205078]  r5:00000000 r4:c068c2e0
[ 1529.208892] [<c005fc64>] (sr_class3_disable+0x0/0x38) from [<c005f320>] (omap_sr_disable+0x7c/0x90)
[ 1529.218383]  r5:00000000 r4:c068c2e0
[ 1529.222198] [<c005f2a4>] (omap_sr_disable+0x0/0x90) from [<c005d864>] (omap_voltage_scale+0x154/0x258)
[ 1529.231964]  r5:00000000 r4:c068c2e0
[ 1529.235778] [<c005d710>] (omap_voltage_scale+0x0/0x258) from [<c0069d98>] (omap_device_scale+0x10c/0x130)
[ 1529.245849] [<c0069c8c>] (omap_device_scale+0x0/0x130) from [<c006e578>] (omap_target+0x64/0x70)
[ 1529.255096]  r6:3b9aca00 r5:df046808 r4:df3644c0
[ 1529.260009] [<c006e514>] (omap_target+0x0/0x70) from [<c03aab94>] (__cpufreq_driver_target+0x30/0x40)
[ 1529.269683]  r6:df3644c0 r5:c06c0878 r4:c06c08e4
[ 1529.274597] [<c03aab64>] (__cpufreq_driver_target+0x0/0x40) from [<c03adb08>] (do_dbs_timer+0x334/0x398)
[ 1529.284576] [<c03ad7d4>] (do_dbs_timer+0x0/0x398) from [<c008eb48>] (process_one_work+0x278/0x3f8)
[ 1529.294036] [<c008e8d0>] (process_one_work+0x0/0x3f8) from [<c0090958>] (worker_thread+0x218/0x410)
[ 1529.303558] [<c0090740>] (worker_thread+0x0/0x410) from [<c00941dc>] (kthread+0x8c/0x94)
[ 1529.312103] [<c0094150>] (kthread+0x0/0x94) from [<c007c4d0>] (do_exit+0x0/0x638)
[ 1529.319946]  r7:00000013 r6:c007c4d0 r5:c0094150 r4:df031ec0
[ 1529.325927] ---[ end trace a444060ea6f13d03 ]---
[ 1529.331329] android_usb gadget: common->fsg is NULL in fsg_setup at 628
[ 1529.338287] ------------[ cut here ]------------
[ 1529.343170] WARNING: at drivers/usb/gadget/f_mass_storage.c:468 fsg_setup+0x6c/0x114()
[ 1529.351470] Modules linked in: omaplfb pvrsrvkm
[ 1529.356262] Backtrace:
[ 1529.358856] [<c004f65c>] (dump_backtrace+0x0/0x110) from [<c04eaac8>] (dump_stack+0x18/0x1c)
[ 1529.367736]  r7:00000009 r6:000001d4 r5:c035b7ac r4:00000000
[ 1529.373718] [<c04eaab0>] (dump_stack+0x0/0x1c) from [<c0079174>] (warn_slowpath_common+0x54/0x6c)
[ 1529.383087] [<c0079120>] (warn_slowpath_common+0x0/0x6c) from [<c00791b0>] (warn_slowpath_null+0x24/0x2c)
[ 1529.393127]  r9:a0000193 r8:0000000d r7:00000000 r6:00000001 r5:00000001
[ 1529.400024] r4:00000000
[ 1529.402801] [<c007918c>] (warn_slowpath_null+0x0/0x2c) from [<c035b7ac>] (fsg_setup+0x6c/0x114)
[ 1529.411987] [<c035b740>] (fsg_setup+0x0/0x114) from [<c0358de0>] (composite_setup+0xcb8/0xdb8)
[ 1529.421020]  r7:00000000 r6:00000001 r5:db1ebc74 r4:df2dfdc0
[ 1529.427032] [<c0358128>] (composite_setup+0x0/0xdb8) from [<c03511e4>] (musb_g_ep0_irq+0x94c/0xa40)
[ 1529.436553] [<c0350898>] (musb_g_ep0_irq+0x0/0xa40) from [<c03501ec>] (musb_interrupt+0x7fc/0x8f0)
[ 1529.445983] [<c034f9f0>] (musb_interrupt+0x0/0x8f0) from [<c035034c>] (generic_interrupt+0x6c/0x98)
[ 1529.455535] [<c03502e0>] (generic_interrupt+0x0/0x98) from [<c00b0b94>] (handle_IRQ_event+0x74/0x198)
[ 1529.465209]  r7:00000018 r6:0000005c r5:0000005c r4:df0b9300
[ 1529.471221] [<c00b0b20>] (handle_IRQ_event+0x0/0x198) from [<c00b2e68>] (handle_level_irq+0xb8/0x128)
[ 1529.480926] [<c00b2db0>] (handle_level_irq+0x0/0x128) from [<c004007c>] (asm_do_IRQ+0x7c/0xa0)
[ 1529.489990]  r5:00000000 r4:0000005c
[ 1529.493774] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecd34>] (__irq_svc+0x34/0x80)
[ 1529.502105] Exception stack(0xdb1ebd78 to 0xdb1ebdc0)
[ 1529.507415] bd60:                                                       000023f3 00007d00
[ 1529.516021] bd80: 00000474 00000000 c068c260 0014fb18 00000000 00000018 00000000 00000000
[ 1529.524627] bda0: 0000012d db1ebdd4 db1ebdd8 db1ebdc0 c005cfe8 c0277340 20000113 ffffffff
[ 1529.533233]  r5:fa200000 r4:ffffffff
[ 1529.537017] [<c005cfb0>] (_post_volt_scale+0x0/0x40) from [<c005d168>] (vp_forceupdate_scale_voltage+0x178/0x254)
[ 1529.547821]  r5:00000a00 r4:c068c260
[ 1529.551605] [<c005cff0>] (vp_forceupdate_scale_voltage+0x0/0x254) from [<c005cb98>] (omap_voltage_scale_vdd+0x5c/0x6c)
[ 1529.562866] [<c005cb3c>] (omap_voltage_scale_vdd+0x0/0x6c) from [<c005d884>] (omap_voltage_scale+0x174/0x258)
[ 1529.573333] [<c005d710>] (omap_voltage_scale+0x0/0x258) from [<c0069d98>] (omap_device_scale+0x10c/0x130)
[ 1529.583404] [<c0069c8c>] (omap_device_scale+0x0/0x130) from [<c006e578>] (omap_target+0x64/0x70)
[ 1529.592651]  r6:3b9aca00 r5:df046808 r4:df3644c0
[ 1529.597534] [<c006e514>] (omap_target+0x0/0x70) from [<c03aab94>] (__cpufreq_driver_target+0x30/0x40)
[ 1529.607238]  r6:df3644c0 r5:c06c0878 r4:c06c08e4
[ 1529.612121] [<c03aab64>] (__cpufreq_driver_target+0x0/0x40) from [<c03adb08>] (do_dbs_timer+0x334/0x398)
[ 1529.622131] [<c03ad7d4>] (do_dbs_timer+0x0/0x398) from [<c008eb48>] (process_one_work+0x278/0x3f8)
[ 1529.631561] [<c008e8d0>] (process_one_work+0x0/0x3f8) from [<c0090958>] (worker_thread+0x218/0x410)
[ 1529.641082] [<c0090740>] (worker_thread+0x0/0x410) from [<c00941dc>] (kthread+0x8c/0x94)
[ 1529.649627] [<c0094150>] (kthread+0x0/0x94) from [<c007c4d0>] (do_exit+0x0/0x638)
[ 1529.657501]  r7:00000013 r6:c007c4d0 r5:c0094150 r4:df031ec0
[ 1529.663482] ---[ end trace a444060ea6f13d04 ]---
[ 1529.668334] android_usb gadget: common->fsg is NULL in fsg_setup at 628
[ 1529.675292] ------------[ cut here ]------------
[ 1529.680145] WARNING: at drivers/usb/gadget/f_mass_storage.c:468 fsg_setup+0x6c/0x114()
[ 1529.688476] Modules linked in: omaplfb pvrsrvkm
[ 1529.693237] Backtrace:
[ 1529.695831] [<c004f65c>] (dump_backtrace+0x0/0x110) from [<c04eaac8>] (dump_stack+0x18/0x1c)
[ 1529.704711]  r7:00000009 r6:000001d4 r5:c035b7ac r4:00000000
[ 1529.710723] [<c04eaab0>] (dump_stack+0x0/0x1c) from [<c0079174>] (warn_slowpath_common+0x54/0x6c)
[ 1529.720062] [<c0079120>] (warn_slowpath_common+0x0/0x6c) from [<c00791b0>] (warn_slowpath_null+0x24/0x2c)
[ 1529.730102]  r9:a0000193 r8:0000000d r7:00000000 r6:00000001 r5:00000001
[ 1529.736999] r4:00000000
[ 1529.739776] [<c007918c>] (warn_slowpath_null+0x0/0x2c) from [<c035b7ac>] (fsg_setup+0x6c/0x114)
[ 1529.748962] [<c035b740>] (fsg_setup+0x0/0x114) from [<c0357650>] (android_setup_config+0x40/0x68)
[ 1529.758270]  r7:db1ebc74 r6:c06b93e0 r5:00000002 r4:c06b93e8
[ 1529.764282] [<c0357610>] (android_setup_config+0x0/0x68) from [<c0358e14>] (composite_setup+0xcec/0xdb8)
[ 1529.774261]  r7:ffffffa1 r6:c06b93e0 r5:db1ebc74 r4:df2dfde4
[ 1529.780242] [<c0358128>] (composite_setup+0x0/0xdb8) from [<c03511e4>] (musb_g_ep0_irq+0x94c/0xa40)
[ 1529.789764] [<c0350898>] (musb_g_ep0_irq+0x0/0xa40) from [<c03501ec>] (musb_interrupt+0x7fc/0x8f0)
[ 1529.799224] [<c034f9f0>] (musb_interrupt+0x0/0x8f0) from [<c035034c>] (generic_interrupt+0x6c/0x98)
[ 1529.808746] [<c03502e0>] (generic_interrupt+0x0/0x98) from [<c00b0b94>] (handle_IRQ_event+0x74/0x198)
[ 1529.818420]  r7:00000018 r6:0000005c r5:0000005c r4:df0b9300
[ 1529.824432] [<c00b0b20>] (handle_IRQ_event+0x0/0x198) from [<c00b2e68>] (handle_level_irq+0xb8/0x128)
[ 1529.834136] [<c00b2db0>] (handle_level_irq+0x0/0x128) from [<c004007c>] (asm_do_IRQ+0x7c/0xa0)
[ 1529.843200]  r5:00000000 r4:0000005c
[ 1529.846984] [<c0040000>] (asm_do_IRQ+0x0/0xa0) from [<c04ecd34>] (__irq_svc+0x34/0x80)
[ 1529.855316] Exception stack(0xdb1ebd78 to 0xdb1ebdc0)
[ 1529.860626] bd60:                                                       000023f3 00007d00
[ 1529.869232] bd80: 00000474 00000000 c068c260 0014fb18 00000000 00000018 00000000 00000000
[ 1529.877868] bda0: 0000012d db1ebdd4 db1ebdd8 db1ebdc0 c005cfe8 c0277340 20000113 ffffffff
[ 1529.886444]  r5:fa200000 r4:ffffffff
[ 1529.890258] [<c005cfb0>] (_post_volt_scale+0x0/0x40) from [<c005d168>] (vp_forceupdate_scale_voltage+0x178/0x254)
[ 1529.901031]  r5:00000a00 r4:c068c260
[ 1529.904815] [<c005cff0>] (vp_forceupdate_scale_voltage+0x0/0x254) from [<c005cb98>] (omap_voltage_scale_vdd+0x5c/0x6c)
[ 1529.916076] [<c005cb3c>] (omap_voltage_scale_vdd+0x0/0x6c) from [<c005d884>] (omap_voltage_scale+0x174/0x258)
[ 1529.926544] [<c005d710>] (omap_voltage_scale+0x0/0x258) from [<c0069d98>] (omap_device_scale+0x10c/0x130)
[ 1529.936614] [<c0069c8c>] (omap_device_scale+0x0/0x130) from [<c006e578>] (omap_target+0x64/0x70)
[ 1529.945861]  r6:3b9aca00 r5:df046808 r4:df3644c0
[ 1529.950744] [<c006e514>] (omap_target+0x0/0x70) from [<c03aab94>] (__cpufreq_driver_target+0x30/0x40)
[ 1529.960449]  r6:df3644c0 r5:c06c0878 r4:c06c08e4
[ 1529.965332] [<c03aab64>] (__cpufreq_driver_target+0x0/0x40) from [<c03adb08>] (do_dbs_timer+0x334/0x398)
[ 1529.975311] [<c03ad7d4>] (do_dbs_timer+0x0/0x398) from [<c008eb48>] (process_one_work+0x278/0x3f8)
[ 1529.984771] [<c008e8d0>] (process_one_work+0x0/0x3f8) from [<c0090958>] (worker_thread+0x218/0x410)
[ 1529.994293] [<c0090740>] (worker_thread+0x0/0x410) from [<c00941dc>] (kthread+0x8c/0x94)
[ 1530.002807] [<c0094150>] (kthread+0x0/0x94) from [<c007c4d0>] (do_exit+0x0/0x638)
[ 1530.010681]  r7:00000013 r6:c007c4d0 r5:c0094150 r4:df031ec0
[ 1530.016662] ---[ end trace a444060ea6f13d05 ]---
[ 1549.156433] adb_release
[ 1549.160308] adb_open
[ 1549.291442] android_usb gadget: high speed config #1: android
[ 1553.273071] musb android_usb gadget disconnected.
[ 1553.279846] adb_release
[ 1553.282836] adb_open
[ 1553.288391] disabling adb
[ 1553.292877] adb_release
[ 1565.342376] android_usb gadget: high speed config #1: android
[ 1567.383209] enabling adb
[ 1567.452575] adb_open
[ 1567.649383] adb_release
[ 1567.653350] adb_open
[ 1567.781524] android_usb gadget: high speed config #1: android
[ 1574.740783] binder: 1122:1135 transaction failed 29189, size 448-0