You could file a bug report with ubuntu folks; it looks like something isn't right in the kernel code. Can you try it with Debian Linux installed instead of Ubuntu?
On Monday, February 17, 2014 11:04:03 PM UTC-8, Kishor Dhanawade wrote: > > Hello, > I am using a Beaglebone black board wuth ubuntu 12.04 > (3.8.13-kernel). My board is working very good with eMMC as well as with > with SD card. Problem is when I hotplug a USB mass storage device(pendrive) > whole system getting hang. Then if I powered off and again powered ON with > pendrive then its working properly and pendrive is also detecting. Problem > is only during hotplug. > Also I tried to debug through the serial debug port but I am newbie so I > didn't get the issue. Serial debug port output is as follows. > > > > ubuntu-armhf login: tilcdc 4830e000.fb: timeout waiting for framedone > usb 1-1.4: new high-speed USB device number 5 using musb-hdrc > usb 1-1.4: New USB device found, idVendor=0781, idProduct=5567 > usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > usb 1-1.4: Product: Firebird USB Flash Drive > usb 1-1.4: Manufacturer: SanDisk > usb 1-1.4: SerialNumber: 4C532000060711111374 > scsi0 : usb-storage 1-1.4:1.0 > scsi 0:0:0:0: Direct-Access SanDisk Cruzer Blade 1.26 PQ: 0 ANSI: > 5 > sd 0:0:0:0: [sda] 7821312 512-byte logical blocks: (4.00 GB/3.72 GiB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't > support DPO or FUA > *BUG: spinlock bad magic on CPU#0, kworker/u:2/62* > lock: 0xdf4cfee8, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 > [<c0014660>] (unwind_backtrace+0x0/0xe0) from [<c02420e8>] > (do_raw_spin_lock+0x20/0x164) > [<c02420e8>] (do_raw_spin_lock+0x20/0x164) from [<c02c1278>] > (get_device_parent+0x84/0x18c) > [<c02c1278>] (get_device_parent+0x84/0x18c) from [<c02c1904>] > (device_add+0xcc/0x580) > [<c02c1904>] (device_add+0xcc/0x580) from [<c0226358>] > (add_disk+0x1a8/0x40c) > [<c0226358>] (add_disk+0x1a8/0x40c) from [<c02efaf8>] > (sd_probe_async+0xec/0x1a8) > [<c02efaf8>] (sd_probe_async+0xec/0x1a8) from [<c005f87c>] > (async_run_entry_fn+0xe8/0x204) > [<c005f87c>] (async_run_entry_fn+0xe8/0x204) from [<c0054b70>] > (process_one_work+0x240/0x3fc) > [<c0054b70>] (process_one_work+0x240/0x3fc) from [<c005514c>] > (worker_thread+0x258/0x370) > [<c005514c>] (worker_thread+0x258/0x370) from [<c0058d70>] > (kthread+0xa0/0xb0) > [<c0058d70>] (kthread+0xa0/0xb0) from [<c000d918>] > (ret_from_fork+0x14/0x3c) > *Unable to handle kernel NULL pointer dereference at virtual address > 00000008* > pgd = c0004000 > [00000008] *pgd=00000000 > Internal error: Oops: 5 [#1] SMP ARM > Modules linked in: binfmt_misc unix > CPU: 0 Tainted: G W (3.8.13-bone26 #272) > PC is at get_device_parent+0x94/0x18c > LR is at spin_bug+0x10/0x28 > pc : [<c02c1288>] lr : [<c04821a8>] psr: 00000013 > sp : df3d3df8 ip : c000d918 fp : c08122dc > r10: ddca98c8 r9 : c07d2408 r8 : df3d40b0 > r7 : df51080c r6 : ddca98d0 r5 : df510868 r4 : df510868 > r3 : df4cfee0 r2 : 00000000 r1 : 00000000 r0 : fffffffc > Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > Control: 10c5387d Table: 9f5f4019 DAC: 00000015 > Process kworker/u:2 (pid: 62, stack limit = 0xdf3d2240) > Stack: (0xdf3d3df8 to 0xdf3d4000) > 3de0: ddc526c0 > df510868 > 3e00: 00000000 df510870 df51080c c02c1904 df510870 00000000 00000000 > c02358ac > 3e20: ddca98c8 df510800 dd8e0e40 df510800 dd8e0e40 df510868 df51080c > df3d40b0 > 3e40: c07d2408 ddb04600 c08122dc c0226358 c0225360 df510800 df000000 > 00800000 > 3e60: 00000000 00000004 c0c76e80 df4e1c00 df510800 df4e1c00 df510800 > ddca9800 > 3e80: 00000000 ddb04608 ddb04600 c02efaf8 df4e1c00 c02efa0c 00000002 > df39dbc0 > 3ea0: ddb04608 c0812200 df03f800 c005f87c c07d0da8 c07d0da8 c0812200 > df3a9600 > 3ec0: c0812318 00000001 df39dbc0 ddb04608 c0812200 df03f800 c0812318 > 00000000 > 3ee0: 00000000 c0054b70 df061e8c 00000001 00000000 00000003 00000001 > df39dbc0 > 3f00: c0812318 df3d2000 c07ec6b8 c0812200 c0812318 df39dbd4 00000089 > c005514c > 3f20: df39dbc0 df3d3f54 df3d3f38 df061e74 00000000 df39dbc0 c0054ef4 > 00000000 > 3f40: 00000000 00000000 00000000 c0058d70 942dff37 00000000 f93fdf65 > df39dbc0 > 3f60: 00000000 00000000 dead4ead ffffffff ffffffff df3d3f74 df3d3f74 > 00000000 > 3f80: 00000000 dead4ead ffffffff ffffffff df3d3f90 df3d3f90 df3d3fac > df061e74 > 3fa0: c0058cd0 00000000 00000000 c000d918 00000000 00000000 00000000 > 00000000 > 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 > 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 90fc7cef > 3cd6dee1 > [<c02c1288>] (get_device_parent+0x94/0x18c) from [<c02c1904>] > (device_add+0xcc/0x580) > [<c02c1904>] (device_add+0xcc/0x580) from [<c0226358>] > (add_disk+0x1a8/0x40c) > [<c0226358>] (add_disk+0x1a8/0x40c) from [<c02efaf8>] > (sd_probe_async+0xec/0x1a8) > [<c02efaf8>] (sd_probe_async+0xec/0x1a8) from [<c005f87c>] > (async_run_entry_fn+0xe8/0x204) > [<c005f87c>] (async_run_entry_fn+0xe8/0x204) from [<c0054b70>] > (process_one_work+0x240/0x3fc) > [<c0054b70>] (process_one_work+0x240/0x3fc) from [<c005514c>] > (worker_thread+0x258/0x370) > [<c005514c>] (worker_thread+0x258/0x370) from [<c0058d70>] > (kthread+0xa0/0xb0) > [<c0058d70>] (kthread+0xa0/0xb0) from [<c000d918>] > (ret_from_fork+0x14/0x3c) > Code: e5953198 e593303c e5b300e0 ea000006 (e590200c) > ---[ end trace 6528e0e98df06b3f ]--- > *Unable to handle kernel paging request at virtual address ffffffe0* > pgd = c0004000 > [ffffffe0] *pgd=9fefe821, *pte=00000000, *ppte=00000000 > Internal error: Oops: 17 [#2] SMP ARM > Modules linked in: binfmt_misc unix > CPU: 0 Tainted: G D W (3.8.13-bone26 #272) > PC is at kthread_data+0x4/0xc > LR is at wq_worker_sleeping+0xc/0x9c > pc : [<c005918c>] lr : [<c00552ec>] psr: 00000093 > sp : df3d3b20 ip : 00000000 fp : df3d3bcc > r10: df1777a4 r9 : 00000000 r8 : df177820 > r7 : c077ae80 r6 : 00000000 r5 : c0c76e80 r4 : df177580 > r3 : 00000000 r2 : 00000007 r1 : 00000000 r0 : df177580 > Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user > Control: 10c5387d Table: 9f754019 DAC: 00000015 > Process kworker/u:2 (pid: 62, stack limit = 0xdf3d2240) > Stack: (0xdf3d3b20 to 0xdf3d4000) > 3b20: df177580 c0c76e80 df3d2000 c0484ab4 00000000 c07ceb44 c07ceb30 > 00000004 > 3b40: df3d3b7c 60000093 df3b9fc4 c029f8f8 c0040508 c077ae80 00000000 > 0e230e22 > 3b60: df049cc0 60000093 c077e100 047e047d 800000c2 60000093 00000000 > df049cc0 > 3b80: df3b9fc4 00050004 df177580 00000000 00000000 60000013 df3b48bc > 00020001 > 3ba0: 00000000 60000013 df3b48bc df177580 00000001 df3d39ac 00000000 > 00000001 > 3bc0: df177578 df1777a4 df1777a4 c0040508 c05e69f3 df1777ec 000e000e > df3d3bd8 > 3be0: 8df06b3f 0000000b df3d3c52 c02c1288 00000000 00000001 c05e69fb > 00000000 > 3c00: c05e69f3 c0011dfc df3d2240 0000000b c02c1288 00000000 00000008 > 60000113 > 3c20: 65fe6f02 33353935 20383931 33393565 63333033 62356520 65303033 > 61652030 > 3c40: 30303030 28203630 30393565 63303032 c0002029 c047fdd4 c0625dbc > 00000008 > 3c60: 00000005 00000000 df3d3db0 00000000 00000028 00000005 c08122dc > c047f60c > 3c80: df177580 c0487964 df009310 df3d2000 00000000 00000053 00000000 > 00000000 > 3ca0: 00000053 c07ef1f4 00000000 c00429e0 00000053 c000e7c0 00000043 > fa200000 > 3cc0: df3d3ce0 c0008760 c003d084 c003d0a0 60000013 ffffffff df3d3d14 > c04861c0 > 3ce0: c07b6d14 60000013 c07b6d0c 00000005 c0788f84 00000008 df3d3db0 > df3d40b0 > 3d00: c07d2408 ddca98c8 c08122dc c0008530 000008d0 df3d3d28 c003d084 > c003d0a0 > 3d20: 60000013 ffffffff 00000000 00000000 c06a6f78 c000d918 df3d3db8 > c00142b0 > 3d40: 60000013 df39dbc0 60000013 00000000 ddc526c0 c0058d70 df3d3fac > ddca98d0 > 3d60: df51080c df4cfee8 c07d2408 ddca98c8 00000000 c047fdd4 df3d3fb0 > c000d918 > 3d80: 00000000 df3d3d94 c0058d70 c0011a3c c05e69b2 c000d918 df510868 > c02c1288 > 3da0: 00000013 ffffffff df3d3de4 c0486158 fffffffc 00000000 00000000 > df4cfee0 > 3dc0: df510868 df510868 ddca98d0 df51080c df3d40b0 c07d2408 ddca98c8 > c08122dc > 3de0: c000d918 df3d3df8 c04821a8 c02c1288 00000013 ffffffff ddc526c0 > df510868 > 3e00: 00000000 df510870 df51080c c02c1904 df510870 00000000 00000000 > c02358ac > 3e20: ddca98c8 df510800 dd8e0e40 df510800 dd8e0e40 df510868 df51080c > df3d40b0 > 3e40: c07d2408 ddb04600 c08122dc c0226358 c0225360 df510800 df000000 > 00800000 > 3e60: 00000000 00000004 c0c76e80 df4e1c00 df510800 df4e1c00 df510800 > ddca9800 > 3e80: 00000000 ddb04608 ddb04600 c02efaf8 df4e1c00 c02efa0c 00000002 > df39dbc0 > 3ea0: ddb04608 c0812200 df03f800 c005f87c c07d0da8 c07d0da8 c0812200 > df3a9600 > 3ec0: c0812318 00000001 df39dbc0 ddb04608 c0812200 df03f800 c0812318 > 00000000 > 3ee0: 00000000 c0054b70 df061e8c 00000001 00000000 00000003 00000001 > df39dbc0 > 3f00: c0812318 df3d2000 c07ec6b8 c0812200 c0812318 df39dbd4 00000089 > c005514c > 3f20: df39dbc0 df3d3f54 df3d3f38 df061e74 00000000 df39dbc0 c0054ef4 > 00000000 > 3f40: 00000000 00000000 00000000 c0058d70 942dff37 00000000 f93fdf65 > df39dbc0 > 3f60: 00000000 00000000 dead4ead ffffffff ffffffff df3d3f74 df3d3f74 > 00000001 > 3f80: 00010001 dead4ead ffffffff ffffffff df3d3f90 df3d3f90 df3d3fac > df061e74 > 3fa0: c0058cd0 00000000 00000000 c000d918 00000000 00000000 00000000 > 00000000 > 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 > 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 90fc7cef > 3cd6dee1 > [<c005918c>] (kthread_data+0x4/0xc) from [<c00552ec>] > (wq_worker_sleeping+0xc/0x9c) > [<c00552ec>] (wq_worker_sleeping+0xc/0x9c) from [<c0484ab4>] > (__schedule+0x104/0x6fc) > [<c0484ab4>] (__schedule+0x104/0x6fc) from [<c0040508>] > (do_exit+0x820/0x874) > [<c0040508>] (do_exit+0x820/0x874) from [<c0011dfc>] (die+0x35c/0x3d4) > [<c0011dfc>] (die+0x35c/0x3d4) from [<c047f60c>] > (__do_kernel_fault.part.8+0x54/0x74) > [<c047f60c>] (__do_kernel_fault.part.8+0x54/0x74) from [<c0487964>] > (do_page_fault+0x34c/0x39c) > [<c0487964>] (do_page_fault+0x34c/0x39c) from [<c0008530>] > (do_DataAbort+0x34/0x98) > [<c0008530>] (do_DataAbort+0x34/0x98) from [<c0486158>] > (__dabt_svc+0x38/0x60) > Exception stack(0xdf3d3db0 to 0xdf3d3df8) > 3da0: fffffffc 00000000 00000000 > df4cfee0 > 3dc0: df510868 df510868 ddca98d0 df51080c df3d40b0 c07d2408 ddca98c8 > c08122dc > 3de0: c000d918 df3d3df8 c04821a8 c02c1288 00000013 ffffffff > [<c0486158>] (__dabt_svc+0x38/0x60) from [<c02c1288>] > (get_device_parent+0x94/0x18c) > [<c02c1288>] (get_device_parent+0x94/0x18c) from [<c02c1904>] > (device_add+0xcc/0x580) > [<c02c1904>] (device_add+0xcc/0x580) from [<c0226358>] > (add_disk+0x1a8/0x40c) > [<c0226358>] (add_disk+0x1a8/0x40c) from [<c02efaf8>] > (sd_probe_async+0xec/0x1a8) > [<c02efaf8>] (sd_probe_async+0xec/0x1a8) from [<c005f87c>] > (async_run_entry_fn+0xe8/0x204) > [<c005f87c>] (async_run_entry_fn+0xe8/0x204) from [<c0054b70>] > (process_one_work+0x240/0x3fc) > [<c0054b70>] (process_one_work+0x240/0x3fc) from [<c005514c>] > (worker_thread+0x258/0x370) > [<c005514c>] (worker_thread+0x258/0x370) from [<c0058d70>] > (kthread+0xa0/0xb0) > [<c0058d70>] (kthread+0xa0/0xb0) from [<c000d918>] > (ret_from_fork+0x14/0x3c) > Code: e5130028 e7e00150 e12fff1e e5903274 (e5130020) > ---[ end trace 6528e0e98df06b40 ]--- > Fixing recursive fault but reboot is needed! > BUG: spinlock lockup suspected on CPU#0, kworker/u:2/62 > lock: 0xc0c76e80, .magic: dead4ead, .owner: kworker/u:2/62, .owner_cpu: 0 > [<c0014660>] (unwind_backtrace+0x0/0xe0) from [<c024217c>] > (do_raw_spin_lock+0xb4/0x164) > [<c024217c>] (do_raw_spin_lock+0xb4/0x164) from [<c0484a5c>] > (__schedule+0xac/0x6fc) > [<c0484a5c>] (__schedule+0xac/0x6fc) from [<c003fdd4>] (do_exit+0xec/0x874) > [<c003fdd4>] (do_exit+0xec/0x874) from [<c0011dfc>] (die+0x35c/0x3d4) > [<c0011dfc>] (die+0x35c/0x3d4) from [<c047f60c>] > (__do_kernel_fault.part.8+0x54/0x74) > [<c047f60c>] (__do_kernel_fault.part.8+0x54/0x74) from [<c0487964>] > (do_page_fault+0x34c/0x39c) > [<c0487964>] (do_page_fault+0x34c/0x39c) from [<c0008530>] > (do_DataAbort+0x34/0x98) > [<c0008530>] (do_DataAbort+0x34/0x98) from [<c0486158>] > (__dabt_svc+0x38/0x60) > Exception stack(0xdf3d3ad8 to 0xdf3d3b20) > 3ac0: df177580 > 00000000 > 3ae0: 00000007 00000000 df177580 c0c76e80 00000000 c077ae80 df177820 > 00000000 > 3b00: df1777a4 df3d3bcc 00000000 df3d3b20 c00552ec c005918c 00000093 > ffffffff > [<c0486158>] (__dabt_svc+0x38/0x60) from [<c005918c>] > (kthread_data+0x4/0xc) > [<c005918c>] (kthread_data+0x4/0xc) from [<c00552ec>] > (wq_worker_sleeping+0xc/0x9c) > [<c00552ec>] (wq_worker_sleeping+0xc/0x9c) from [<c0484ab4>] > (__schedule+0x104/0x6fc) > [<c0484ab4>] (__schedule+0x104/0x6fc) from [<c0040508>] > (do_exit+0x820/0x874) > [<c0040508>] (do_exit+0x820/0x874) from [<c0011dfc>] (die+0x35c/0x3d4) > [<c0011dfc>] (die+0x35c/0x3d4) from [<c047f60c>] > (__do_kernel_fault.part.8+0x54/0x74) > [<c047f60c>] (__do_kernel_fault.part.8+0x54/0x74) from [<c0487964>] > (do_page_fault+0x34c/0x39c) > [<c0487964>] (do_page_fault+0x34c/0x39c) from [<c0008530>] > (do_DataAbort+0x34/0x98) > [<c0008530>] (do_DataAbort+0x34/0x98) from [<c0486158>] > (__dabt_svc+0x38/0x60) > Exception stack(0xdf3d3db0 to 0xdf3d3df8) > 3da0: fffffffc 00000000 00000000 > df4cfee0 > 3dc0: df510868 df510868 ddca98d0 df51080c df3d40b0 c07d2408 ddca98c8 > c08122dc > 3de0: c000d918 df3d3df8 c04821a8 c02c1288 00000013 ffffffff > [<c0486158>] (__dabt_svc+0x38/0x60) from [<c02c1288>] > (get_device_parent+0x94/0x18c) > [<c02c1288>] (get_device_parent+0x94/0x18c) from [<c02c1904>] > (device_add+0xcc/0x580) > [<c02c1904>] (device_add+0xcc/0x580) from [<c0226358>] > (add_disk+0x1a8/0x40c) > [<c0226358>] (add_disk+0x1a8/0x40c) from [<c02efaf8>] > (sd_probe_async+0xec/0x1a8) > [<c02efaf8>] (sd_probe_async+0xec/0x1a8) from [<c005f87c>] > (async_run_entry_fn+0xe8/0x204) > [<c005f87c>] (async_run_entry_fn+0xe8/0x204) from [<c0054b70>] > (process_one_work+0x240/0x3fc) > [<c0054b70>] (process_one_work+0x240/0x3fc) from [<c005514c>] > (worker_thread+0x258/0x370) > [<c005514c>] (worker_thread+0x258/0x370) from [<c0058d70>] > (kthread+0xa0/0xb0) > [<c0058d70>] (kthread+0xa0/0xb0) from [<c000d918>] > (ret_from_fork+0x14/0x3c) > > > > > Please help to solve this problem. > Thanking you. > > > Regards, > Kishor > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
