Dear TI
i am using GobiNet.ko provided by sierra wireless module for MC7455 modem
| v03.03 | 29-Mar-2017 | Linux | v4.4.41 |
when i load the module i can see this BUG
———————
81683] BUG: scheduling while atomic: GobiNetThread:0/718/0x00000004
[ 212.788523] Modules linked in: GobiNet(O) usbnet GobiSerial(O) usbserial musb_dsps musb_hdrc udc_core usbcore pru_rproc pruss_intc pm33xx snd_soc_simple_card wkup_m3_ipc ecb
[ 212.922800] CPU: 0 PID: 718 Comm: GobiNetThread:0 Tainted: G W O 4.4.41-gf9f6f0db2d #1
[ 212.931759] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 212.937898] Backtrace:
[ 212.940388] [<c0013508>] (dump_backtrace) from [<c0013704>] (show_stack+0x18/0x1c)
[ 212.948005] r7:c0928ac0 r6:00000000 r5:c09271c8 r4:00000000 0x9c/0x460 [GobiNet])
[ 212.953731] [<c00136ec>] (show_stack) from [<c02a8aa8>] (dump_stack+0x24/0x28) f80
[ 212.960992] [<c02a8a84>] (dump_stack) from [<c0051dec>] (__schedule_bug+0x54/0x64)
[ 212.968615] [<c0051d98>] (__schedule_bug) from [<c0675bf4>] (__schedule+0x548/0x610)/0xf4)
[ 212.976409] r5:c09271c8 r4:dc59c000
[ 212.980011] [<c06756ac>] (__schedule) from [<c0675d10>] (schedule+0x54/0xc4)
[ 212.887098] r10:00000000 r9:c0928ac0 r8:ffffe000 r7:c0928ac0 r6:c0929300 r5:db481c9c
[ 212.894997] r4:db480000
[ 212.897548] [<c0675cbc>] (schedule) from [<c0678c68>] (schedule_timeout+0x138/0x1d0) sb_hdrc udc_core usbcore pru_rproc pruss_intc pm33xx snd_soc_simple_card wkup_m3_ipc ecb
[ 213.005333] r5:db481c9c r4:ffffde29 9f6f0db2d #1
[ 213.008935] [<c0678b30>] (schedule_timeout) from [<c067691c>] (wait_for_common+0xe0/0x1c4)
[ 213.017242] r10:00000000 r9:00000000 r8:000001f4 r7:db481d38 r6:00000000 r5:00000002
[ 213.025142] r4:db480000
[ 213.027691] [<c067683c>] (wait_for_common) from [<c0676a30>] (wait_for_completion_timeout+0x14/0x18)
[ 213.036870] r7:db481d7c r6:00000000 r5:db481d38 r4:db398400
[ 213.042834] [<c0676a1c>] (wait_for_completion_timeout) from [<bf0a74d8>] (usb_start_wait_urb+0x70/0xc4 [usbcore])
[ 213.053331] [<bf0a7468>] (usb_start_wait_urb [usbcore]) from [<bf0a75d8>] (usb_control_msg+0xac/0xdc [usbcore])
[ 213.063482] r8:0000000a r7:dc761800 r6:db0a55c0 r5:0000000c r4:db0a54c0
[ 213.070401] [<bf0a752c>] (usb_control_msg [usbcore]) from [<bf1b85c8>] (Gobi_usb_control_msg+0x6c/0xac [GobiNet])
[ 212.980727] r10:fffff790 r9:bf1c6f80 r8:db3c4164 r7:db0a55c0 r6:0000000c r5:0000000c
[ 212.988628] r4:0000000a
[ 212.991227] [<bf1b855c>] (Gobi_usb_control_msg [GobiNet]) from [<bf1b99f8>] (WriteSync+0x238/0x4a4 [GobiNet])
[ 213.101193] r5:0000000a r4:db3c4000
[ 213.104856] [<bf1b97c0>] (WriteSync [GobiNet]) from [<bf1bdcfc>] (QMIReady+0x120/0x5c4 [GobiNet])
[ 213.113795] r10:0000000c r9:db0a55c0 r8:00000002 r7:00000002 r6:db480000 r5:00000000
[ 213.121685] r4:db3c4000
[ 213.124298] [<bf1bdbdc>] (QMIReady [GobiNet]) from [<bf1bfce0>] (RegisterQMIDevice+0x198/0x6b8 [GobiNet])
[ 213.133917] r10:00000000 r9:00000000 r8:db480018 r7:00000001 r6:00000001 r5:00000000
[ 213.141804] r4:db3c4000
[ 213.144413] [<bf1bfb48>] (RegisterQMIDevice [GobiNet]) from [<bf1b2ba4>] (thread_function+0x9c/0x460 [GobiNet])
[ 213.154553] r10:00000000 r9:00000000 r8:00000000 r7:dc761804 r6:db3c5000 r5:bf1c6f80
[ 213.162447] r4:db3c4000 ])
[ 213.065030] [<bf1b2b08>] (thread_function [GobiNet]) from [<c004d95c>] (kthread+0xdc/0xf4)
[ 213.073340] r8:00000000 r7:bf1b2b08 r6:db3c4000 r5:db425c40 r4:00000000
[ 213.080103] [<c004d880>] (kthread) from [<c000fab8>] (ret_from_fork+0x14/0x3c) 38/0x4a4 [GobiNet])
[ 213.187364] r7:00000000 r6:00000000 r5:c004d880 r4:db425c40
———————
[ 222.862626] BUG: scheduling while atomic: GobiNetThread:0/713/0x00000004
[ 223.322364] BUG: scheduling while atomic: GobiNetThread:0/718/0x00000005
[ 223.662351] BUG: scheduling while atomic: GobiNetThread:0/713/0x00000005
[ 224.132352] BUG: scheduling while atomic: GobiNetThread:0/718/0x00000006
[ 224.472594] BUG: scheduling while atomic: GobiNetThread:0/713/0x00000006
[ 224.952355] BUG: scheduling while atomic: GobiNetThread:0/718/0x00000004
[ 225.272421] BUG: scheduling while atomic: GobiNetThread:0/713/0x00000004
[ 225.792336] BUG: scheduling while atomic: GobiNetThread:0/718/0x00000005
[ 226.131294] BUG: scheduling while atomic: GobiNetThread:0/713/0x00000005
[ 226.695286] BUG: scheduling while atomic: GobiNetThread:0/718/0x00000003
[ 226.985183] BUG: scheduling while atomic: GobiNetThread:0/713/0x00000003
[ 303.852566] BUG: scheduling while atomic: swapper/0/0x00000002
[ 304.982373] BUG: scheduling while atomic: swapper/0/0x00000002
[ 305.995363] BUG: scheduling while atomic: swapper/0/0x00000002
[ 316.982348] BUG: scheduling while atomic: swapper/0/0x00000002
[ 317.973882] BUG: scheduling while atomic: swapper/0/0x00000002
[ 349.979069] BUG: scheduling while atomic: swapper/0/0x00000002
[ 350.969077] BUG: scheduling while atomic: swapper/0/0x00000002
[ 414.238439] BUG: scheduling while atomic: swapper/0/0x00000002
[ 414.978442] BUG: scheduling while atomic: swapper/0/0x00000002
[ 543.013579] BUG: scheduling while atomic: swapper/0/0x00000002
[ 543.993703] BUG: scheduling while atomic: swapper/0/0x00000002
[ 800.100602] BUG: scheduling while atomic: swapper/0/0x00000002
[ 800.990649] BUG: scheduling while atomic: rngd/570/0x00000002
but the same GobiNet works fine on other devices like raspberry pi, SolidRun by NXP
and by the way GobiNet drivers are standard drivers given by Sierra wireless modem
i have attached the source code for the sierra wireless modem please see
can you please help why is this BUG
Regards
Nick
