Hi, Booting a 3.7 kernel on a mx6qsabrelite board via NFS and using an asix USB/Ethernet adapter and then I try to transfer a 10MB file from the target to the host: root@freescale /home$ scp test.tar.gz fabio@192.168.1.100:/home/fabio fabio@192.168.1.100's password: test.tar.gz 0% 0 0.0KB/s --:-- ETA ------------[ cut here ]------------ WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x2cc/0x2f0() NETDEV WATCHDOG: eth0 (asix): transmit queue 0 timed out Modules linked in: Backtrace: [<80011c94>] (dump_backtrace+0x0/0x10c) from [<804d3a5c>] (dump_stack+0x18/0x1c) r6:000000ff r5:80412388 r4:80685dc0 r3:80696cc0 [<804d3a44>] (dump_stack+0x0/0x1c) from [<80021868>] (warn_slowpath_common+0x54/0x6c) [<80021814>] (warn_slowpath_common+0x0/0x6c) from [<80021924>] (warn_slowpath_fmt+0x38/0x40) r8:00000000 r7:806c6ec7 r6:806860c0 r5:00000000 r4:bf0cd800 r3:00000009 [<800218ec>] (warn_slowpath_fmt+0x0/0x40) from [<80412388>] (dev_watchdog+0x2cc/0x2f0) r3:bf0cd800 r2:8060b170 [<804120bc>] (dev_watchdog+0x0/0x2f0) from [<8002ef90>] (call_timer_fn.isra.29+0x2c/0x8c) [<8002ef64>] (call_timer_fn.isra.29+0x0/0x8c) from [<8002f220>] (run_timer_softirq+0x230/0x24c) r7:80709954 r6:806860c0 r5:00000000 r4:80709140 [<8002eff0>] (run_timer_softirq+0x0/0x24c) from [<8002938c>] (__do_softirq+0xd4/0x198) [<800292b8>] (__do_softirq+0x0/0x198) from [<8002977c>] (irq_exit+0x88/0x90) [<800296f4>] (irq_exit+0x0/0x90) from [<8000ee98>] (handle_IRQ+0x58/0xb4) r4:8068d170 r3:00000180 [<8000ee40>] (handle_IRQ+0x0/0xb4) from [<80008500>] (gic_handle_irq+0x30/0x64) r8:00000000 r7:f4000100 r6:80685f28 r5:8068c974 r4:f400010c r3:00000000 [<800084d0>] (gic_handle_irq+0x0/0x64) from [<8000e100>] (__irq_svc+0x40/0x54) Exception stack(0x80685f28 to 0x80685f70) BUG: scheduling while atomic: swapper/0/0/0x40000100 Modules linked in: Backtrace: [<80011c94>] (dump_backtrace+0x0/0x10c) from [<804d3a5c>] (dump_stack+0x18/0x1c) r6:80684000 r5:8068fc28 r4:80f2e240 r3:60000113 [<804d3a44>] (dump_stack+0x0/0x1c) from [<804d4148>] (__schedule_bug+0x48/0x5c) [<804d4100>] (__schedule_bug+0x0/0x5c) from [<804d8b08>] (__schedule+0x52c/0x580) [<804d85dc>] (__schedule+0x0/0x580) from [<8004a208>] (__cond_resched+0x28/0x38) [<8004a1e0>] (__cond_resched+0x0/0x38) from [<804d8bf0>] (_cond_resched+0x38/0x48) r4:80685f28 r3:00000100 [<804d8bb8>] (_cond_resched+0x0/0x48) from [<80011c0c>] (dump_mem+0x11c/0x1a4) [<80011af0>] (dump_mem+0x0/0x1a4) from [<80011e20>] (dump_backtrace_entry+0x60/0x7c) [<80011dc0>] (dump_backtrace_entry+0x0/0x7c) from [<8024c464>] (for_each_frame+0x3c/0x88) r5:80685f7c r4:80685f24 [<80011c94>] (dump_backtrace+0x0/0x10c) from [<804d3a5c>] (dump_stack+0x18/0x1c) r6:000000ff r5:80412388 r4:80685dc0 r3:80696cc0 [<804d3a44>] (dump_stack+0x0/0x1c) from [<80021868>] (warn_slowpath_common+0x54/0x6c) [<80021814>] (warn_slowpath_common+0x0/0x6c) from [<80021924>] (warn_slowpath_fmt+0x38/0x40) r8:00000000 r7:806c6ec7 r6:806860c0 r5:00000000 r4:bf0cd800 r3:00000009 [<800218ec>] (warn_slowpath_fmt+0x0/0x40) from [<80412388>] (dev_watchdog+0x2cc/0x2f0) r3:bf0cd800 r2:8060b170 [<804120bc>] (dev_watchdog+0x0/0x2f0) from [<8002ef90>] (call_timer_fn.isra.29+0x2c/0x8c) [<8002ef64>] (call_timer_fn.isra.29+0x0/0x8c) from [<8002f220>] (run_timer_softirq+0x230/0x24c) r7:80709954 r6:806860c0 r5:00000000 r4:80709140 [<8002eff0>] (run_timer_softirq+0x0/0x24c) from [<8002938c>] (__do_softirq+0xd4/0x198) [<800292b8>] (__do_softirq+0x0/0x198) from [<8002977c>] (irq_exit+0x88/0x90) [<800296f4>] (irq_exit+0x0/0x90) from [<8000ee98>] (handle_IRQ+0x58/0xb4) r4:8068d170 r3:00000180 [<8000ee40>] (handle_IRQ+0x0/0xb4) from [<80008500>] (gic_handle_irq+0x30/0x64) r8:00000000 r7:f4000100 r6:80685f28 r5:8068c974 r4:f400010c r3:00000000 [<800084d0>] (gic_handle_irq+0x0/0x64) from [<8000e100>] (__irq_svc+0x40/0x54) Exception stack(0x80685f28 to 0x80685f70) 5f20: 00000000 00000000 0000000f 80018fa0 80684000 80684000 5f40: 806c7008 804dbe24 00000000 80684000 80690968 80685f7c 80685f80 80685f70 5f60: 8000f168 8000f16c 60000013 ffffffff r7:80685f5c r6:ffffffff r5:60000013 r4:8000f16c [<8000f134>] (default_idle+0x0/0x44) from [<8000f324>] (cpu_idle+0xa8/0xf4) [<8000f27c>] (cpu_idle+0x0/0xf4) from [<804c3744>] (rest_init+0x64/0x7c) [<804c36e0>] (rest_init+0x0/0x7c) from [<8063c820>] (start_kernel+0x29c/0x2ec) [<8063c584>] (start_kernel+0x0/0x2ec) from [<10008078>] (0x10008078) 5f20: 00000000 00000000 0000000f 80018fa0 80684000 80684000 5f40: 806c7008 804dbe24 00000000 80684000 80690968 80685f7c 80685f80 80685f70 5f60: 8000f168 8000f16c 60000013 ffffffff r7:80685f5c r6:ffffffff r5:60000013 r4:8000f16c [<8000f134>] (default_idle+0x0/0x44) from [<8000f324>] (cpu_idle+0xa8/0xf4) [<8000f27c>] (cpu_idle+0x0/0xf4) from [<804c3744>] (rest_init+0x64/0x7c) [<804c36e0>] (rest_init+0x0/0x7c) from [<8063c820>] (start_kernel+0x29c/0x2ec) [<8063c584>] (start_kernel+0x0/0x2ec) from [<10008078>] (0x10008078) ---[ end trace 12cd5962244d1a4c ]--- nfs: server 192.168.1.100 not responding, still trying nfs: server 192.168.1.100 not responding, still trying nfs: server 192.168.1.100 not responding, still trying nfs: server 192.168.1.100 not responding, still trying (system hang) The scp transfer works fine when using the FEC interface instead of USB to Ethernet. I haven't started bisecting this yet, but any suggestions are welcome. Regards, Fabio Estevam -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
