Kernel panic with Gadget CDC/ECM
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 r5:0b6d r4: 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: r7:00b69000 r6:80b92080 r5:80029080 r4:bf039f00 [ 2871.595095] r3:0009 [ 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] r8:000a r7:0101 r6:80356048 r5:0001 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] r7:0013 r6:8004fdac r5: 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 r5:0b6d r4: 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] r3:0009 [ 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] r8:000a r7:0103 r6:80356048 r5:0081 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: r3:029c [ 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= [ 2871.819056] Internal error: Oops: 817 [#1] PREEMPT SMP [ 2871.824210] Modules linked in: g_ether [ 2871.827985] CPU: 0Tainted: GW(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: 8193 [ 2871.843530] sp : bf8fba90 ip : 00200200 fp : bf8fbaac [ 2871.855038] r10: r9 : bf8fa000 r8 : bf9b0400 [ 2871.860279] r7 : beca0238 r6 : bf9fc3b4 r5 : bf970b40 r4 : bf9fc3a0 [ 2871.866825] r3 : 00200200 r2 : 00100100 r1 : 0001 r0 : bf9fc3b4 [ 2871.873373] Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel [ 2871.880797] Control: 10c5387d Table: 7f0d004a DAC: 0015 [ 2871.886563] Process kworker/0:1 (pid: 17, stack limit = 0xbf8fa2f0) [ 2871.892850] Stack: (0xbf8fba90 to 0xbf8fc000) [ 2871.897225] ba80: bf970b40 bf0fff60 0001 [ 2871.905436] baa0: bf8fbac4 bf8fbab0 7f003cc0 7f00396c 7f003c9c bf970b40 bf8fbae4 bf8fbac8 [ 2871.913647] bac0: 7f00010c 7f003ca8 bf0fff60 bf0ba1a0 7f0046d0 bf8fbb44 bf8fbae8 [ 2871.921859] bae0: 7f00263c 7fe8 803754d8 80375112 803754d8 bf0fff9c [ 2871.930071] bb00: bf9b0400 8015c5d8 8015c278 695f5f00 bf9b0400 [ 2871.938283] bb20: 7f00201c bf9b04ec fcc1 bf8fa000 bf8fbb84 bf8fbb48 [ 2871.946495] bb40: 801f086c 7f002028 00010900 bf8fbb8c 00270127 [ 2871.954708]
Re: Kernel panic with Gadget CDC/ECM
On Wed, Jul 24, 2013 at 09:38:02AM +0800, tong li wrote: Hello, I run our board(not a common one) as a Gadget CDC/ECM device with linux-3.0.39. Any chance to use a newer (i.e. something the community can help with), kernel version? Or, if you are stuck with 3.0, please get support from your vendor, as you did pay for it already. sorry, greg k-h -- To unsubscribe from this list: send the line unsubscribe linux-usb in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Kernel panic with Gadget CDC/ECM
On Wed, Jul 24, 2013 at 7:08 AM, tong li fddllit...@gmail.com wrote: 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? During 3.0 PM framework changes got integrated and it was work in progress.That could be a reason. What is the controller driver below ? As Greg said you might want to go for some newer stable kernel. 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 r5:0b6d r4: 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: r7:00b69000 r6:80b92080 r5:80029080 r4:bf039f00 [ 2871.595095] r3:0009 [ 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] r8:000a r7:0101 r6:80356048 r5:0001 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] r7:0013 r6:8004fdac r5: 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 r5:0b6d r4: 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] r3:0009 [ 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] r8:000a r7:0103 r6:80356048 r5:0081 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: r3:029c [ 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= [ 2871.819056] Internal error: Oops: 817 [#1] PREEMPT SMP [ 2871.824210] Modules linked in: g_ether [ 2871.827985] CPU: 0Tainted: GW(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: 8193 [ 2871.843530] sp : bf8fba90 ip : 00200200 fp : bf8fbaac [ 2871.855038] r10: r9 : bf8fa000 r8 : bf9b0400 [ 2871.860279] r7 : beca0238 r6 : bf9fc3b4 r5 : bf970b40 r4 : bf9fc3a0 [ 2871.866825] r3 : 00200200 r2 : 00100100 r1 : 0001 r0 : bf9fc3b4 [ 2871.873373] Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel [ 2871.880797] Control: 10c5387d Table: 7f0d004a DAC: 0015 [ 2871.886563] Process kworker/0:1 (pid: 17, stack limit = 0xbf8fa2f0) [ 2871.892850] Stack: (0xbf8fba90 to 0xbf8fc000) [ 2871.897225] ba80: bf970b40 bf0fff60 0001 [ 2871.905436] baa0: bf8fbac4 bf8fbab0 7f003cc0 7f00396c 7f003c9c bf970b40 bf8fbae4 bf8fbac8 [ 2871.913647] bac0: 7f00010c 7f003ca8 bf0fff60 bf0ba1a0 7f0046d0 bf8fbb44 bf8fbae8 [ 2871.921859] bae0:
