Any indication as to whether or not this issue can be resolved? Removing my companies Serial/USB device while the port is open causes Ubuntu 10.04 to completely lock up requiring a hard boot.
usb 2-1: new full speed USB device using ohci_hcd and address 13 Dec 1 14:13:43 Linux-Dev kernel: [ 3679.318764] usb 2-1: configuration #1 chosen from 1 choice Dec 1 14:13:43 Linux-Dev kernel: [ 3679.321695] cdc_acm 2-1:1.0: This device cannot do calls on its own. It is not a modem. Dec 1 14:13:43 Linux-Dev kernel: [ 3679.321737] cdc_acm 2-1:1.0: ttyACM0: USB ACM device Dec 1 14:15:33 Linux-Dev kernel: [ 3789.432549] usb 2-1: USB disconnect, address 13 Dec 1 14:20:55 Linux-Dev kernel: [ 4111.560040] usb 2-1: new full speed USB device using ohci_hcd and address 14 Dec 1 14:20:55 Linux-Dev kernel: [ 4111.781932] usb 2-1: configuration #1 chosen from 1 choice Dec 1 14:20:55 Linux-Dev kernel: [ 4111.784863] cdc_acm 2-1:1.0: This device cannot do calls on its own. It is not a modem. Dec 1 14:20:55 Linux-Dev kernel: [ 4111.784905] cdc_acm 2-1:1.0: ttyACM0: USB ACM device Dec 1 14:24:34 Linux-Dev kernel: [ 4329.936781] usb 2-1: USB disconnect, address 14 Dec 1 15:00:18 Linux-Dev kernel: [ 6474.156038] usb 2-1: new full speed USB device using ohci_hcd and address 15 Dec 1 15:00:18 Linux-Dev kernel: [ 6474.378891] usb 2-1: configuration #1 chosen from 1 choice Dec 1 15:00:18 Linux-Dev kernel: [ 6474.381845] cdc_acm 2-1:1.0: This device cannot do calls on its own. It is not a modem. Dec 1 15:00:18 Linux-Dev kernel: [ 6474.381895] cdc_acm 2-1:1.0: ttyACM0: USB ACM device Dec 1 15:01:23 Linux-Dev kernel: [ 6539.274655] usb 2-1: USB disconnect, address 15 Dec 1 15:13:06 Linux-Dev kernel: [ 7242.728034] usb 2-1: new full speed USB device using ohci_hcd and address 16 Dec 1 15:13:07 Linux-Dev kernel: [ 7242.951196] usb 2-1: configuration #1 chosen from 1 choice Dec 1 15:13:07 Linux-Dev kernel: [ 7242.954150] cdc_acm 2-1:1.0: This device cannot do calls on its own. It is not a modem. Dec 1 15:13:07 Linux-Dev kernel: [ 7242.954197] cdc_acm 2-1:1.0: ttyACM0: USB ACM device Dec 1 15:13:47 Linux-Dev kernel: [ 7283.554982] usb 2-1: USB disconnect, address 16 Dec 1 15:26:45 Linux-Dev kernel: [ 8061.560029] usb 2-1: new full speed USB device using ohci_hcd and address 17 Dec 1 15:26:45 Linux-Dev kernel: [ 8061.782535] usb 2-1: configuration #1 chosen from 1 choice Dec 1 15:26:45 Linux-Dev kernel: [ 8061.785560] cdc_acm 2-1:1.0: This device cannot do calls on its own. It is not a modem. Dec 1 15:26:45 Linux-Dev kernel: [ 8061.785605] cdc_acm 2-1:1.0: ttyACM0: USB ACM device Dec 1 16:07:15 Linux-Dev kernel: [10491.780369] usb 2-1: USB disconnect, address 17 Dec 1 16:07:15 Linux-Dev kernel: [10491.783060] ------------[ cut here ]------------ Dec 1 16:07:15 Linux-Dev kernel: [10491.783070] kernel BUG at /build/buildd/linux-2.6.32/drivers/char/tty_ldisc.c:707! Dec 1 16:07:15 Linux-Dev kernel: [10491.783076] invalid opcode: 0000 [#1] SMP Dec 1 16:07:15 Linux-Dev kernel: [10491.783084] last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/usb2/2-1/devnum Dec 1 16:07:15 Linux-Dev kernel: [10491.783089] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat rfcomm binfmt_misc sco ppdev bridge stp bnep l2cap vboxnetadp vboxnetflt vboxdrv snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device fbcon tileblit font bitblit softcursor nvidia(P) snd joydev agpgart vga16fb vgastate psmouse serio_raw btusb bluetooth k8temp soundcore snd_page_alloc cdc_acm i2c_nforce2 lp parport usb_storage usbhid hid ohci1394 ieee1394 floppy pata_amd sata_nv forcedeth Dec 1 16:07:15 Linux-Dev kernel: [10491.783188] Dec 1 16:07:15 Linux-Dev kernel: [10491.783196] Pid: 9, comm: events/0 Tainted: P (2.6.32-26-generic-pae #47-Ubuntu) Dec 1 16:07:15 Linux-Dev kernel: [10491.783203] EIP: 0060:[<c03cefa3>] EFLAGS: 00010202 CPU: 0 Dec 1 16:07:15 Linux-Dev kernel: [10491.783215] EIP is at tty_ldisc_reinit+0x43/0x50 Dec 1 16:07:15 Linux-Dev kernel: [10491.783221] EAX: ffffffea EBX: e2567800 ECX: e9068198 EDX: 00000199 Dec 1 16:07:15 Linux-Dev kernel: [10491.783226] ESI: 000000d0 EDI: e2567814 EBP: f749ff0c ESP: f749ff04 Dec 1 16:07:15 Linux-Dev kernel: [10491.783232] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Dec 1 16:07:15 Linux-Dev kernel: [10491.783239] Process events/0 (pid: 9, ti=f749e000 task=f74a0000 task.ti=f749e000) Dec 1 16:07:15 Linux-Dev kernel: [10491.783243] Stack: Dec 1 16:07:15 Linux-Dev kernel: [10491.783246] e2567800 00000000 f749ff24 c03cf156 00000001 e2567940 e2567940 e2567800 Dec 1 16:07:15 Linux-Dev kernel: [10491.783259] <0> f749ff4c c03c7c02 00000000 f749ff88 00000000 ee2a4000 00000001 e2567928 Dec 1 16:07:15 Linux-Dev kernel: [10491.783272] <0> c5a09ac0 c5a09ac0 f749ff88 c016bdfe 0000098a c088b4c0 c088b4c0 f74a02a4 Dec 1 16:07:15 Linux-Dev kernel: [10491.783286] Call Trace: Dec 1 16:07:15 Linux-Dev kernel: [10491.783297] [<c03cf156>] ? tty_ldisc_hangup+0x1a6/0x1e0 Dec 1 16:07:15 Linux-Dev kernel: [10491.783305] [<c03c7c02>] ? do_tty_hangup+0x112/0x350 Dec 1 16:07:15 Linux-Dev kernel: [10491.783317] [<c016bdfe>] ? run_workqueue+0x8e/0x150 Dec 1 16:07:15 Linux-Dev kernel: [10491.783325] [<c03c7af0>] ? do_tty_hangup+0x0/0x350 Dec 1 16:07:15 Linux-Dev kernel: [10491.783334] [<c016bf44>] ? worker_thread+0x84/0xe0 Dec 1 16:07:15 Linux-Dev kernel: [10491.783343] [<c016fec0>] ? autoremove_wake_function+0x0/0x50 Dec 1 16:07:15 Linux-Dev kernel: [10491.783352] [<c016bec0>] ? worker_thread+0x0/0xe0 Dec 1 16:07:15 Linux-Dev kernel: [10491.783360] [<c016fc34>] ? kthread+0x74/0x80 Dec 1 16:07:15 Linux-Dev kernel: [10491.783367] [<c016fbc0>] ? kthread+0x0/0x80 Dec 1 16:07:15 Linux-Dev kernel: [10491.783377] [<c010a447>] ? kernel_thread_helper+0x7/0x10 Dec 1 16:07:15 Linux-Dev kernel: [10491.783382] Code: 28 e8 c2 fb ff ff 89 f0 c7 43 28 00 00 00 00 e8 94 fe ff ff 3d 00 f0 ff ff 77 10 89 43 28 89 f2 89 d8 e8 b1 fa ff ff 5b 5e 5d c3 <0f> 0b eb fe 89 f6 8d bc 27 00 00 00 00 55 89 e5 57 56 53 83 ec Dec 1 16:07:15 Linux-Dev kernel: [10491.783458] EIP: [<c03cefa3>] tty_ldisc_reinit+0x43/0x50 SS:ESP 0068:f749ff04 Dec 1 16:07:15 Linux-Dev kernel: [10491.783472] ---[ end trace e137aac4a7f6f4a8 ]--- -- kernel BUG at /build/buildd/linux-2.6.32/drivers/char/tty_ldisc.c:707! https://bugs.launchpad.net/bugs/613700 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
