Hello,
I run our board(not a common one) as a Gadget CDC/ECM device with linux-3.0.39.
At the outset it is running normally when I plug it into
HostPC(Ubuntu12.04),I test it with iperf.
But if I leave it connected for a long time(actually not certain),
I unplug/plug the usb cable again I get the kernel panic.
And it happened infrequently which made me difficult to find the real reason.
Has anyone else seen this or know what could be causing it?
Best regards
LiTong
[ 590.481517] g_ether.0 gadget: high speed config #1: CDC Ethernet (ECM)
[ 2870.342555] g_ether.0 gadget: high speed config #1: CDC Ethernet (ECM)
[ 2871.535677] ------------[ cut here ]------------
[ 2871.540373] WARNING: at /work/linux-3.0.39/net/core/dev.c:2925
net_tx_action+0x6c/0x1a8()
[ 2871.548872] Modules linked in: g_ether
[ 2871.552776] Backtrace:
[ 2871.555318] [<80032b04>] (dump_backtrace+0x0/0x10c) from
[<80295c4c>] (dump_stack+0x18/0x1c)
[ 2871.563898] r6:80331ebf r5:00000b6d r4:00000000 r3:bf832000
[ 2871.569671] [<80295c34>] (dump_stack+0x0/0x1c) from [<8004a6ac>]
(warn_slowpath_common+0x54/0x6c)
[ 2871.578706] [<8004a658>] (warn_slowpath_common+0x0/0x6c) from
[<8004a6e8>] (warn_slowpath_null+0x24/0x2c)
[ 2871.588402] r8:00000000 r7:00b69000 r6:80b92080 r5:80029080 r4:bf039f00
[ 2871.595095] r3:00000009
[ 2871.597773] [<8004a6c4>] (warn_slowpath_null+0x0/0x2c) from
[<80212300>] (net_tx_action+0x6c/0x1a8)
[ 2871.606967] [<80212294>] (net_tx_action+0x0/0x1a8) from
[<8004fd04>] (__do_softirq+0xb4/0x15c)
[ 2871.615707] r8:0000000a r7:00000101 r6:80356048 r5:00000001 r4:bf832000
[ 2871.622283] r3:80212294
[ 2871.625048] [<8004fc50>] (__do_softirq+0x0/0x15c) from [<8004fe78>]
(run_ksoftirqd+0xcc/0x1ec)
[ 2871.633833] [<8004fdac>] (run_ksoftirqd+0x0/0x1ec) from
[<80063914>] (kthread+0x90/0x98)
[ 2871.641960] r7:00000013 r6:8004fdac r5:00000000 r4:bf82ff20
[ 2871.647925] [<80063884>] (kthread+0x0/0x98) from [<8004d7c4>]
(do_exit+0x0/0x64c)
[ 2871.667897] r6:8004d7c4 r5:80063884 r4:bf82ff20
[ 2871.672651] ---[ end trace 3f7079ce04858111 ]---
[ 2871.682535] ------------[ cut here ]------------
[ 2871.687242] WARNING: at /work/linux-3.0.39-B/net/core/dev.c:2925
net_tx_action+0x6c/0x1a8()
[ 2871.695721] Modules linked in: g_ether
[ 2871.699505] Backtrace:
[ 2871.702066] [<80032b04>] (dump_backtrace+0x0/0x10c) from
[<80295c4c>] (dump_stack+0x18/0x1c)
[ 2871.710642] r6:80331ebf r5:00000b6d r4:00000000 r3:bf8fa000
[ 2871.716504] [<80295c34>] (dump_stack+0x0/0x1c) from [<8004a6ac>]
(warn_slowpath_common+0x54/0x6c)
[ 2871.725523] [<8004a658>] (warn_slowpath_common+0x0/0x6c) from
[<8004a6e8>] (warn_slowpath_null+0x24/0x2c)
[ 2871.735226] r8:bf107480 r7:00b69000 r6:80b92080 r5:80029080 r4:bf107a20
[ 2871.741801] r3:00000009
[ 2871.744585] [<8004a6c4>] (warn_slowpath_null+0x0/0x2c) from
[<80212300>] (net_tx_action+0x6c/0x1a8)
[ 2871.753810] [<80212294>] (net_tx_action+0x0/0x1a8) from
[<8004fd04>] (__do_softirq+0xb4/0x15c)
[ 2871.762650] r8:0000000a r7:00000103 r6:80356048 r5:00000081 r4:bf8fa000
[ 2871.769232] r3:80212294
[ 2871.771890] [<8004fc50>] (__do_softirq+0x0/0x15c) from [<80050224>]
(irq_exit+0x50/0xac)
[ 2871.780155] [<800501d4>] (irq_exit+0x0/0xac) from [<8002a298>]
(do_local_timer+0x64/0x94)
[ 2871.788601] r4:00000000 r3:0000029c
[ 2871.792978] [<8002a234>] (do_local_timer+0x0/0x94) from
[<8002f60c>] (__irq_svc+0x4c/0xe0)
[ 2871.805491] Unable to handle kernel paging request at virtual
address 00100104
[ 2871.812744] pgd = 80004000
[ 2871.815457] [00100104] *pgd=00000000
[ 2871.819056] Internal error: Oops: 817 [#1] PREEMPT SMP
[ 2871.824210] Modules linked in: g_ether
[ 2871.827985] CPU: 0 Tainted: G W (3.0.39 #50)
[ 2871.833444] PC is at gether_disconnect+0x108/0x1a0 [g_ether]
[ 2871.839144] LR is at _raw_spin_lock+0x10/0x14
[ 2871.843520] pc : [<7f003a68>] lr : [<8029a8ac>] psr: 80000193
[ 2871.843530] sp : bf8fba90 ip : 00200200 fp : bf8fbaac
[ 2871.855038] r10: 00000000 r9 : bf8fa000 r8 : bf9b0400
[ 2871.860279] r7 : beca0238 r6 : bf9fc3b4 r5 : bf970b40 r4 : bf9fc3a0
[ 2871.866825] r3 : 00200200 r2 : 00100100 r1 : 00000001 r0 : bf9fc3b4
[ 2871.873373] Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM
Segment kernel
[ 2871.880797] Control: 10c5387d Table: 7f0d004a DAC: 00000015
[ 2871.886563] Process kworker/0:1 (pid: 17, stack limit = 0xbf8fa2f0)
[ 2871.892850] Stack: (0xbf8fba90 to 0xbf8fc000)
[ 2871.897225] ba80: bf970b40
bf0fff60 00000000 00000001
[ 2871.905436] baa0: bf8fbac4 bf8fbab0 7f003cc0 7f00396c 7f003c9c
bf970b40 bf8fbae4 bf8fbac8
[ 2871.913647] bac0: 7f00010c 7f003ca8 00000000 bf0fff60 bf0ba1a0
7f0046d0 bf8fbb44 bf8fbae8
[ 2871.921859] bae0: 7f00263c 7f0000e8 00000000 00000000 803754d8
80375112 803754d8 bf0fff9c
[ 2871.930071] bb00: bf9b0400 00000000 8015c5d8 8015c278 ffffffff
ffffffff 695f5f00 bf9b0400
[ 2871.938283] bb20: 00000000 7f00201c bf9b04ec fcc10000 bf8fa000
00000000 bf8fbb84 bf8fbb48
[ 2871.946495] bb40: 801f086c 7f002028 00000000 00000000 00010900
00000000 bf8fbb8c 00270127
[ 2871.954708] bb60: bf9b04ec fcc10000 bf9b0400 bf9b0520 bf9b0400
00000000 bf8fbbd4 bf8fbb88
[ 2871.962920] bb80: 801f4720 801f06b8 8015b52c 8015b37c 00010900
00000000 bf8fbbd6 00000001
[ 2871.971132] bba0: bf8fbc44 00000000 8015c7d4 bf95f820 0000006b
80359680 00000105 00000000
[ 2871.979344] bbc0: bf8fa000 00000000 bf8fbc0c bf8fbbd8 8007d314
801f3c2c 37393239 00000000
[ 2871.987557] bbe0: 00000002 80359680 803596cc bf95f820 00000105
00000104 bf8fa000 0000000f
[ 2871.995769] bc00: bf8fbc2c bf8fbc10 8007d488 8007d2ec 00000000
80359680 803596cc 0000006b
[ 2872.003981] bc20: bf8fbc44 bf8fbc30 8007f944 8007d450 0000006b
bf8fbea0 bf8fbc5c bf8fbc48
[ 2872.012193] bc40: 8007cdb0 8007f880 00000100 0000006b bf8fbc74
bf8fbc60 8002a080 8007cd94
[ 2872.020406] bc60: ffffffff fd100100 bf8fbd3c bf8fbc78 8002f60c
8002a00c bf8fa000 bf8fa030
[ 2872.028617] bc80: 60000113 00000105 00000061 00000001 80375128
00000003 bf8fbce5 0000029c
[ 2872.036831] bca0: 0000000f bf8fbd3c bf8fbc88 bf8fbcc0 8004af8c
8004b5e0 20000113 ffffffff
[ 2872.045042] bcc0: 00000000 ac870f15 8029a3f8 60000113 00000002
205b9680 31373832 3239372e
[ 2872.053255] bce0: 5d383739 80290020 bf8fa000 bf8fbea0 bf8fbd0c
bf8fbd00 80083100 80082da8
[ 2872.061467] bd00: bf8fbd24 bf8fbd10 00000004 80044508 00000100
8002a234 bf8fbe9c 8002a238
[ 2872.069677] bd20: 00000000 00000008 00000002 00000000 bf8fbd54
bf8fbd40 80295f84 8004b268
[ 2872.077887] bd40: 00000001 bf8fbd5c bf8fbd84 bf8fbd68 80032d90
80295f70 8030b63c 8002a234
[ 2872.086100] bd60: 8002a234 8002f60c 8002f60c bf8fbdbc bf8fbe9c
bf8fbef4 bf8fbdbc bf8fbd88
[ 2872.094311] bd80: 80151d90 80032d6c bf8fbdbc 00000010 00000001
80212300 00000009 80032be0
[ 2872.102523] bda0: bf8fa000 00000000 00000b6d 80331ebf bf8fbdcc
bf8fbdc0 80295c4c 80032b10
[ 2872.110736] bdc0: bf8fbdf4 bf8fbdd0 8004a6ac 80295c40 00000009
bf107a20 80029080 80b92080
[ 2872.118948] bde0: 00b69000 bf107480 bf8fbe0c bf8fbdf8 8004a6e8
8004a664 00000000 8029a458
[ 2872.127160] be00: bf8fbe34 bf8fbe10 80212300 8004a6d0 80212294
bf8fa000 00000081 80356048
[ 2872.135373] be20: 00000103 0000000a bf8fbe6c bf8fbe38 8004fd04
802122a0 9d7798c2 0000029c
[ 2872.143584] be40: 9d7798c2 bf8fa000 80379500 0000001d 00000002
00000001 bf8fa000 000000d0
[ 2872.151793] be60: bf8fbe84 bf8fbe70 80050224 8004fc5c 0000029c
00000000 bf8fbe9c bf8fbe88
[ 2872.160006] be80: 8002a298 800501e0 ffffffff fd100100 bf8fbef4
bf8fbea0 8002f60c 8002a240
[ 2872.168216] bea0: bf9fc3b4 a0000013 00000000 00000000 bf9fc3a0
beca0220 ffffff94 bf9fc3b4
[ 2872.176429] bec0: bf107a20 80b912c4 000000d0 bf8fbef4 bf8fbef8
bf8fbee8 7f0014dc 8029a420
[ 2872.184642] bee0: 60000013 ffffffff bf8fbf1c bf8fbef8 7f0014dc
8029a408 bf9fc3b4 bf9fc3a0
[ 2872.192854] bf00: 000000d0 beca0220 bf9fc3f0 00000000 bf8fbf3c
bf8fbf20 7f001534 7f0013a0
[ 2872.201066] bf20: bf9fc3f0 bf9fc3a0 80b94600 7f001614 bf8fbf54
bf8fbf40 7f001658 7f0014f4
[ 2872.209277] bf40: bf8ba520 80b911e0 bf8fbf8c bf8fbf58 8005fb2c
7f001620 00000000 00000000
[ 2872.217490] bf60: 8005d434 bf8ba520 80b911e0 bf8ba530 00000001
80b911e0 00000000 00000009
[ 2872.225702] bf80: bf8fbfb4 bf8fbf90 80060184 8005f94c bf835ee8
bf8ba520 8005ffc4 00000013
[ 2872.233913] bfa0: 00000000 00000000 bf8fbff4 bf8fbfb8 80063914
8005ffd0 00000000 00000000
[ 2872.242121] bfc0: bf8ba520 00000000 00000000 00000000 bf8fbfd0
bf8fbfd0 00000000 bf835ee8
[ 2872.250330] bfe0: 80063884 8004d7c4 00000000 bf8fbff8 8004d7c4
80063890 6528daff 398affbf
[ 2872.258531] Backtrace:
[ 2872.261041] [<7f003960>] (gether_disconnect+0x0/0x1a0 [g_ether])
from [<7f003cc0>] (ecm_disable+0x24/0x58 [g_ether])
[ 2872.271600] r7:00000001 r6:00000000 r5:bf0fff60 r4:bf970b40
[ 2872.277317] [<7f003c9c>] (ecm_disable+0x0/0x58 [g_ether]) from
[<7f00010c>] (reset_config+0x30/0x5c [g_ether])
[ 2872.287349] r4:bf970b40 r3:7f003c9c
[ 2872.290973] [<7f0000dc>] (reset_config+0x0/0x5c [g_ether]) from
[<7f00263c>] (composite_setup+0x620/0xa98 [g_ether])
[ 2872.301527] r6:7f0046d0 r5:bf0ba1a0 r4:bf0fff60 r3:00000000
[ 2872.307271] [<7f00201c>] (composite_setup+0x0/0xa98 [g_ether]) from
[<801f086c>] (respond_standard_request_set_configuration+0x1c0/0x284)
[ 2872.319685] [<801f06ac>]
(respond_standard_request_set_configuration+0x0/0x284) from
[<801f4720>] (on_usb_function+0xb00/0x2430)
[ 2872.331310] [<801f3c20>] (on_usb_function+0x0/0x2430) from
[<8007d314>] (handle_irq_event_percpu+0x34/0x164)
[ 2872.341183] [<8007d2e0>] (handle_irq_event_percpu+0x0/0x164) from
[<8007d488>] (handle_irq_event+0x44/0x64)
[ 2872.350971] [<8007d444>] (handle_irq_event+0x0/0x64) from
[<8007f944>] (handle_fasteoi_irq+0xd0/0x11c)
[ 2872.360304] r6:0000006b r5:803596cc r4:80359680 r3:00000000
[ 2872.366006] [<8007f874>] (handle_fasteoi_irq+0x0/0x11c) from
[<8007cdb0>] (generic_handle_irq+0x28/0x38)
[ 2872.375515] r5:bf8fbea0 r4:0000006b
[ 2872.379137] [<8007cd88>] (generic_handle_irq+0x0/0x38) from
[<8002a080>] (asm_do_IRQ+0x80/0xc0)
[ 2872.387861] r4:0000006b r3:00000100
[ 2872.391473] [<8002a000>] (asm_do_IRQ+0x0/0xc0) from [<8002f60c>]
(__irq_svc+0x4c/0xe0)
[ 2872.399413] Exception stack(0xbf8fbc78 to 0xbf8fbcc0)
[ 2872.404482] bc60:
bf8fa000 bf8fa030
[ 2872.412695] bc80: 60000113 00000105 00000061 00000001 80375128
00000003 bf8fbce5 0000029c
[ 2872.420908] bca0: 0000000f bf8fbd3c bf8fbc88 bf8fbcc0 8004af8c
8004b5e0 20000113 ffffffff
[ 2872.429110] r5:fd100100 r4:ffffffff
[ 2872.432739] [<8004b25c>] (vprintk+0x0/0x400) from [<80295f84>]
(printk+0x24/0x2c)
[ 2872.440276] [<80295f60>] (printk+0x0/0x2c) from [<80032d90>]
(dump_backtrace_entry+0x30/0x78)
[ 2872.448829] r3:8002f60c r2:8002a234 r1:8002a234 r0:8030b63c
[ 2872.454536] [<80032d60>] (dump_backtrace_entry+0x0/0x78) from
[<80151d90>] (for_each_frame+0x3c/0x88)
[ 2872.463783] r5:bf8fbef4 r4:bf8fbe9c
[ 2872.467398] [<80032b04>] (dump_backtrace+0x0/0x10c) from
[<80295c4c>] (dump_stack+0x18/0x1c)
[ 2872.475863] r6:80331ebf r5:00000b6d r4:00000000 r3:bf8fa000
[ 2872.481587] [<80295c34>] (dump_stack+0x0/0x1c) from [<8004a6ac>]
(warn_slowpath_common+0x54/0x6c)
[ 2872.490507] [<8004a658>] (warn_slowpath_common+0x0/0x6c) from
[<8004a6e8>] (warn_slowpath_null+0x24/0x2c)
[ 2872.500103] r8:bf107480 r7:00b69000 r6:80b92080 r5:80029080 r4:bf107a20
[ 2872.506660] r3:00000009
[ 2872.509313] [<8004a6c4>] (warn_slowpath_null+0x0/0x2c) from
[<80212300>] (net_tx_action+0x6c/0x1a8)
[ 2872.518413] [<80212294>] (net_tx_action+0x0/0x1a8) from
[<8004fd04>] (__do_softirq+0xb4/0x15c)
[ 2872.527051] r8:0000000a r7:00000103 r6:80356048 r5:00000081 r4:bf8fa000
[ 2872.533608] r3:80212294
[ 2872.536246] [<8004fc50>] (__do_softirq+0x0/0x15c) from [<80050224>]
(irq_exit+0x50/0xac)
[ 2872.544390] [<800501d4>] (irq_exit+0x0/0xac) from [<8002a298>]
(do_local_timer+0x64/0x94)
[ 2872.552593] r4:00000000 r3:0000029c
[ 2872.556198] [<8002a234>] (do_local_timer+0x0/0x94) from
[<8002f60c>] (__irq_svc+0x4c/0xe0)
[ 2872.564490] Exception stack(0xbf8fbea0 to 0xbf8fbee8)
[ 2872.569565] bea0: bf9fc3b4 a0000013 00000000 00000000 bf9fc3a0
beca0220 ffffff94 bf9fc3b4
[ 2872.577776] bec0: bf107a20 80b912c4 000000d0 bf8fbef4 bf8fbef8
bf8fbee8 7f0014dc 8029a420
[ 2872.585980] bee0: 60000013 ffffffff
[ 2872.589476] r5:fd100100 r4:ffffffff
[ 2872.593120] [<8029a3fc>] (_raw_spin_unlock_irqrestore+0x0/0x50)
from [<7f0014dc>] (rx_submit+0x148/0x154 [g_ether])
[ 2872.603628] [<7f001394>] (rx_submit+0x0/0x154 [g_ether]) from
[<7f001534>] (rx_fill+0x4c/0x88 [g_ether])
[ 2872.613172] [<7f0014e8>] (rx_fill+0x0/0x88 [g_ether]) from
[<7f001658>] (eth_work+0x44/0x48 [g_ether])
[ 2872.622509] r7:7f001614 r6:80b94600 r5:bf9fc3a0 r4:bf9fc3f0
[ 2872.628242] [<7f001614>] (eth_work+0x0/0x48 [g_ether]) from
[<8005fb2c>] (process_one_work+0x1ec/0x320)
[ 2872.637663] r5:80b911e0 r4:bf8ba520
[ 2872.641268] [<8005f940>] (process_one_work+0x0/0x320) from
[<80060184>] (worker_thread+0x1c0/0x2d8)
[ 2872.650362] [<8005ffc4>] (worker_thread+0x0/0x2d8) from
[<80063914>] (kthread+0x90/0x98)
[ 2872.658492] [<80063884>] (kthread+0x0/0x98) from [<8004d7c4>]
(do_exit+0x0/0x64c)
[ 2872.665997] r6:8004d7c4 r5:80063884 r4:bf835ee8
[ 2872.670644] Code: ea00000c e897000c e1a00006 e59fc08c (e5823004)
[ 2872.676793] ---[ end trace 3f7079ce04858112 ]---
[ 2872.681433] Kernel panic - not syncing: Fatal exception in interrupt
[ 2872.687804] Backtrace:
[ 2872.690313] [<80032b04>] (dump_backtrace+0x0/0x10c) from
[<80295c4c>] (dump_stack+0x18/0x1c)
[ 2872.698779] r6:bf8fa2f0 r5:00010107 r4:80374bd0 r3:bf8fa000
[ 2872.704481] [<80295c34>] (dump_stack+0x0/0x1c) from [<80295e40>]
(panic+0x74/0x194)
[ 2872.712184] [<80295dcc>] (panic+0x0/0x194) from [<80032f78>]
(die+0x184/0x1c8)
[ 2872.719427] r3:00010107 r2:00010107 r1:00010100 r0:8030b6da
[ 2872.725109] r7:00000000
[ 2872.727663] [<80032df4>] (die+0x0/0x1c8) from [<800360dc>]
(__do_kernel_fault+0x6c/0x8c)
[ 2872.735777] r8:00000000 r7:bf8fba48 r6:00000000 r5:00000817 r4:00100104
[ 2872.742524] [<80036070>] (__do_kernel_fault+0x0/0x8c) from
[<800362cc>] (do_page_fault+0x1d0/0x1e8)
[ 2872.751597] r8:00000817 r7:00000000 r6:bf8fba48 r5:bf8b1660 r4:00100104
[ 2872.758154] r3:bf8fba48
[ 2872.760806] [<800360fc>] (do_page_fault+0x0/0x1e8) from
[<8002a448>] (do_DataAbort+0x3c/0xa0)
[ 2872.769376] [<8002a40c>] (do_DataAbort+0x0/0xa0) from [<8002f5ac>]
(__dabt_svc+0x4c/0x60)
[ 2872.777581] Exception stack(0xbf8fba48 to 0xbf8fba90)
[ 2872.782654] ba40: bf9fc3b4 00000001 00100100
00200200 bf9fc3a0 bf970b40
[ 2872.790866] ba60: bf9fc3b4 beca0238 bf9b0400 bf8fa000 00000000
bf8fbaac 00200200 bf8fba90
[ 2872.799072] ba80: 8029a8ac 7f003a68 80000193 ffffffff
[ 2872.804134] r7:beca0238 r6:bf9fc3b4 r5:bf8fba7c r4:ffffffff
[ 2872.809875] [<7f003960>] (gether_disconnect+0x0/0x1a0 [g_ether])
from [<7f003cc0>] (ecm_disable+0x24/0x58 [g_ether])
[ 2872.820430] r7:00000001 r6:00000000 r5:bf0fff60 r4:bf970b40
[ 2872.826147] [<7f003c9c>] (ecm_disable+0x0/0x58 [g_ether]) from
[<7f00010c>] (reset_config+0x30/0x5c [g_ether])
[ 2872.836178] r4:bf970b40 r3:7f003c9c
[ 2872.839801] [<7f0000dc>] (reset_config+0x0/0x5c [g_ether]) from
[<7f00263c>] (composite_setup+0x620/0xa98 [g_ether])
[ 2872.850358] r6:7f0046d0 r5:bf0ba1a0 r4:bf0fff60 r3:00000000
[ 2872.856098] [<7f00201c>] (composite_setup+0x0/0xa98 [g_ether]) from
[<801f086c>] (respond_standard_request_set_configuration+0x1c0/0x284)
[ 2872.868511] [<801f06ac>]
(respond_standard_request_set_configuration+0x0/0x284) from
[<801f4720>] (on_usb_function+0xb00/0x2430)
[ 2872.880133] [<801f3c20>] (on_usb_function+0x0/0x2430) from
[<8007d314>] (handle_irq_event_percpu+0x34/0x164)
[ 2872.890004] [<8007d2e0>] (handle_irq_event_percpu+0x0/0x164) from
[<8007d488>] (handle_irq_event+0x44/0x64)
[ 2872.899790] [<8007d444>] (handle_irq_event+0x0/0x64) from
[<8007f944>] (handle_fasteoi_irq+0xd0/0x11c)
[ 2872.909121] r6:0000006b r5:803596cc r4:80359680 r3:00000000
[ 2872.914824] [<8007f874>] (handle_fasteoi_irq+0x0/0x11c) from
[<8007cdb0>] (generic_handle_irq+0x28/0x38)
[ 2872.924332] r5:bf8fbea0 r4:0000006b
[ 2872.927944] [<8007cd88>] (generic_handle_irq+0x0/0x38) from
[<8002a080>] (asm_do_IRQ+0x80/0xc0)
[ 2872.936670] r4:0000006b r3:00000100
[ 2872.940276] [<8002a000>] (asm_do_IRQ+0x0/0xc0) from [<8002f60c>]
(__irq_svc+0x4c/0xe0)
[ 2872.948219] Exception stack(0xbf8fbc78 to 0xbf8fbcc0)
[ 2872.953286] bc60:
bf8fa000 bf8fa030
[ 2872.961500] bc80: 60000113 00000105 00000061 00000001 80375128
00000003 bf8fbce5 0000029c
[ 2872.969712] bca0: 0000000f bf8fbd3c bf8fbc88 bf8fbcc0 8004af8c
8004b5e0 20000113 ffffffff
[ 2872.977914] r5:fd100100 r4:ffffffff
[ 2872.981533] [<8004b25c>] (vprintk+0x0/0x400) from [<80295f84>]
(printk+0x24/0x2c)
[ 2872.989067] [<80295f60>] (printk+0x0/0x2c) from [<80032d90>]
(dump_backtrace_entry+0x30/0x78)
[ 2872.997616] r3:8002f60c r2:8002a234 r1:8002a234 r0:8030b63c
[ 2873.003321] [<80032d60>] (dump_backtrace_entry+0x0/0x78) from
[<80151d90>] (for_each_frame+0x3c/0x88)
[ 2873.012569] r5:bf8fbef4 r4:bf8fbe9c
[ 2873.016182] [<80032b04>] (dump_backtrace+0x0/0x10c) from
[<80295c4c>] (dump_stack+0x18/0x1c)
[ 2873.024646] r6:80331ebf r5:00000b6d r4:00000000 r3:bf8fa000
[ 2873.030365] [<80295c34>] (dump_stack+0x0/0x1c) from [<8004a6ac>]
(warn_slowpath_common+0x54/0x6c)
[ 2873.039284] [<8004a658>] (warn_slowpath_common+0x0/0x6c) from
[<8004a6e8>] (warn_slowpath_null+0x24/0x2c)
[ 2873.048877] r8:bf107480 r7:00b69000 r6:80b92080 r5:80029080 r4:bf107a20
[ 2873.055434] r3:00000009
[ 2873.058084] [<8004a6c4>] (warn_slowpath_null+0x0/0x2c) from
[<80212300>] (net_tx_action+0x6c/0x1a8)
[ 2873.067180] [<80212294>] (net_tx_action+0x0/0x1a8) from
[<8004fd04>] (__do_softirq+0xb4/0x15c)
[ 2873.075817] r8:0000000a r7:00000103 r6:80356048 r5:00000081 r4:bf8fa000
[ 2873.082374] r3:80212294
[ 2873.085011] [<8004fc50>] (__do_softirq+0x0/0x15c) from [<80050224>]
(irq_exit+0x50/0xac)
[ 2873.093154] [<800501d4>] (irq_exit+0x0/0xac) from [<8002a298>]
(do_local_timer+0x64/0x94)
[ 2873.101354] r4:00000000 r3:0000029c
[ 2873.104967] [<8002a234>] (do_local_timer+0x0/0x94) from
[<8002f60c>] (__irq_svc+0x4c/0xe0)
[ 2873.113259] Exception stack(0xbf8fbea0 to 0xbf8fbee8)
[ 2873.118335] bea0: bf9fc3b4 a0000013 00000000 00000000 bf9fc3a0
beca0220 ffffff94 bf9fc3b4
[ 2873.126546] bec0: bf107a20 80b912c4 000000d0 bf8fbef4 bf8fbef8
bf8fbee8 7f0014dc 8029a420
[ 2873.134749] bee0: 60000013 ffffffff
[ 2873.138242] r5:fd100100 r4:ffffffff
[ 2873.141880] [<8029a3fc>] (_raw_spin_unlock_irqrestore+0x0/0x50)
from [<7f0014dc>] (rx_submit+0x148/0x154 [g_ether])
[ 2873.152387] [<7f001394>] (rx_submit+0x0/0x154 [g_ether]) from
[<7f001534>] (rx_fill+0x4c/0x88 [g_ether])
[ 2873.161930] [<7f0014e8>] (rx_fill+0x0/0x88 [g_ether]) from
[<7f001658>] (eth_work+0x44/0x48 [g_ether])
[ 2873.171266] r7:7f001614 r6:80b94600 r5:bf9fc3a0 r4:bf9fc3f0
[ 2873.176998] [<7f001614>] (eth_work+0x0/0x48 [g_ether]) from
[<8005fb2c>] (process_one_work+0x1ec/0x320)
[ 2873.186419] r5:80b911e0 r4:bf8ba520
[ 2873.190024] [<8005f940>] (process_one_work+0x0/0x320) from
[<80060184>] (worker_thread+0x1c0/0x2d8)
[ 2873.199118] [<8005ffc4>] (worker_thread+0x0/0x2d8) from
[<80063914>] (kthread+0x90/0x98)
[ 2873.207249] [<80063884>] (kthread+0x0/0x98) from [<8004d7c4>]
(do_exit+0x0/0x64c)
[ 2873.214754] r6:8004d7c4 r5:80063884 r4:bf835ee8
[ 2873.219415] CPU1: stopping
[ 2873.222137] Backtrace:
[ 2873.224649] [<80032b04>] (dump_backtrace+0x0/0x10c) from
[<80295c4c>] (dump_stack+0x18/0x1c)
[ 2873.233118] r6:00000006 r5:00000001 r4:8035e280 r3:bf862000
[ 2873.238836] [<80295c34>] (dump_stack+0x0/0x1c) from [<8002a3a0>]
(do_IPI+0xd8/0x144)
[ 2873.246624] [<8002a2c8>] (do_IPI+0x0/0x144) from [<8002f60c>]
(__irq_svc+0x4c/0xe0)
[ 2873.254305] Exception stack(0xbf863f70 to 0xbf863fb8)
[ 2873.259374] 3f60: bf862000
bf862038 bf863fb8 00000000
[ 2873.267585] 3f80: 8036119c 80365300 10c0387d 80373d98 4000406a
413fc090 00000000 bf863fc4
[ 2873.275794] 3fa0: bf863fc8 bf863fb8 80030494 80030498 60000013 ffffffff
[ 2873.282428] r5:fd100100 r4:ffffffff
[ 2873.286034] [<8003046c>] (default_idle+0x0/0x30) from [<80030630>]
(cpu_idle+0x44/0xa8)
[ 2873.294084] [<800305ec>] (cpu_idle+0x0/0xa8) from [<8001f620>]
(secondary_start_kernel+0x14c/0x160)
[ 2873.303156] r4:00000002 r3:00000002
[ 2873.306763] [<8001f4d4>] (secondary_start_kernel+0x0/0x160) from
[<4001ef14>] (0x4001ef14)
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