On Monday 14 January 2013 11:47:57 Ming Lei wrote: > [ 181.175323] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 181.183624] modprobe D c04f1920 0 2462 2461 0x00000000 > [ 181.183685] [<c04f1920>] (__schedule+0x5fc/0x6d4) from [<c005eba4>] > (async_synchronize_cookie_domain+0xdc/0x > 168) > [ 181.183715] [<c005eba4>] > (async_synchronize_cookie_domain+0xdc/0x168) from [<c005ed04>] > (async_synchronize_f > ull+0x3c/0x60) > [ 181.183776] [<c005ed04>] (async_synchronize_full+0x3c/0x60) from > [<c0085610>] (load_module+0x1aac/0x1cdc) > [ 181.183807] [<c0085610>] (load_module+0x1aac/0x1cdc) from > [<c0085944>] (sys_init_module+0x104/0x110) > [ 181.183837] [<c0085944>] (sys_init_module+0x104/0x110) from > [<c000dfe0>] (ret_fast_syscall+0x0/0x48) > [ 271.175506] INFO: task modprobe:2462 blocked for more than 90 seconds. > [ 271.182373] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 271.190826] modprobe D c04f1920 0 2462 2461 0x00000000 > [ 271.190887] [<c04f1920>] (__schedule+0x5fc/0x6d4) from [<c005eba4>] > (async_synchronize_cookie_domain+0xdc/0x > 168) > [ 271.190917] [<c005eba4>] > (async_synchronize_cookie_domain+0xdc/0x168) from [<c005ed04>] > (async_synchronize_f > ull+0x3c/0x60) > [ 271.190948] [<c005ed04>] (async_synchronize_full+0x3c/0x60) from > [<c0085610>] (load_module+0x1aac/0x1cdc) > [ 271.190948] [<c0085610>] (load_module+0x1aac/0x1cdc) from > [<c0085944>] (sys_init_module+0x104/0x110) > [ 271.190979] [<c0085944>] (sys_init_module+0x104/0x110) from > [<c000dfe0>] (ret_fast_syscall+0x0/0x48) OK, your trace is totally different. If your hangs are related, as is likely, my explanation goes out of the window. Regards Oliver -- 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