From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040809 Epiphany/1.3.8 Description of problem: Here is the oops: after this my usb system seems to be hosed. usb 1-2: USB disconnect, address 2 scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 0 lun 0 sr 0:0:0:0: Illegal state transition cancel->offline Badness in scsi_device_set_state at drivers/scsi/scsi_lib.c:1688 [<42afd621>] scsi_device_set_state+0xc8/0xd3 [scsi_mod] [<42afab65>] scsi_eh_offline_sdevs+0x49/0x5e [scsi_mod] [<42afb120>] scsi_unjam_host+0x22d/0x23e [scsi_mod] [<42afb26b>] scsi_error_handler+0x13a/0x191 [scsi_mod] [<0211b329>] schedule_tail+0xc/0x37 [<42afb131>] scsi_error_handler+0x0/0x191 [scsi_mod] [<021041d9>] kernel_thread_helper+0x5/0xb Unable to handle kernel NULL pointer dereference at virtual address 00000008 printing eip: 0224d3cf *pde = 00000000 Oops: 0000 [#1] Modules linked in: tun arc4 ieee80211_crypt_wep(U) sr_mod usb_storage scsi_mod parport_pc lp parport autofs4 ds microcode dm_mod button battery asus_acpi ac radeon md5 ipv6 ohci1394 ieee1394 yenta_socket pcmcia_core uhci_hcd ehci_hcd snd_intel8x0m snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc gameport snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore ipw2100(U) ieee80211(U) ieee80211_crypt(U) e100 mii floppy ext3 jbd CPU: 0 EIP: 0060:[<0224d3cf>] Not tainted VLI EFLAGS: 00010046 (2.6.8-1.584) EIP is at cfq_insert_request+0x45/0xdf eax: 41aaa2d0 ebx: 41302ab0 ecx: 00000001 edx: 41302ab0 esi: 00000001 edi: 00000000 ebp: 00000000 esp: 2cdfcefc ds: 007b es: 007b ss: 0068 Process scsi_eh_0 (pid: 4202, threadinfo=2cdfc000 task=2cf69970) Stack: 41aaa2d0 41aaa2d0 00000001 41302ab0 00000202 02243bb7 41aaa2d0 00000001 41302ab0 02243b79 00000000 02245d28 2c4591c0 2c69b400 2f0f6400 00001057 42afb552 2c4591c0 00000001 2c4591c0 2cdfcf74 2cdfcf74 2cdfcf7c 42afaea2 Call Trace: [<02243bb7>] __elv_add_request+0x3c/0x71 [<02243b79>] elv_requeue_request+0x29/0x2b [<02245d28>] blk_insert_request+0xba/0x18b [<42afb552>] scsi_queue_insert+0x84/0x8d [scsi_mod] [<42afaea2>] scsi_eh_flush_done_q+0x7d/0xce [scsi_mod] [<42afb129>] scsi_unjam_host+0x236/0x23e [scsi_mod] [<42afb26b>] scsi_error_handler+0x13a/0x191 [scsi_mod] [<0211b329>] schedule_tail+0xc/0x37 [<42afb131>] scsi_error_handler+0x0/0x191 [scsi_mod] [<021041d9>] kernel_thread_helper+0x5/0xb Code: 74 29 eb 51 83 f9 03 74 33 eb 4a 8b 04 24 89 fa e8 f8 fa ff ff 85 c0 75 f2 8b 47 08 8b 50 04 89 03 89 58 04 89 1a 89 53 04 eb 3f <8b> 47 08 8b 10 89 5a 04 89 13 89 43 04 89 18 eb 2e f6 42 08 10 Version-Release number of selected component (if applicable): kernel-2.6.8-1.584 How reproducible: Didn't try Steps to Reproduce: Not sure about reproducibility, going to try rebooting now. Additional info:
Ok, crash is reproducible after rebooting. Relevant lspci -v output: 00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03) (prog-if 00 [UHCI]) Subsystem: Gateway 2000: Unknown device 0450 Flags: bus master, medium devsel, latency 0, IRQ 11 I/O ports at 1800 [size=32] 00:1d.1 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03) (prog-if 00 [UHCI]) Subsystem: Gateway 2000: Unknown device 0450 Flags: bus master, medium devsel, latency 0, IRQ 11 I/O ports at 1820 [size=32] 00:1d.2 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03) (prog-if 00 [UHCI]) Subsystem: Gateway 2000: Unknown device 0450 Flags: bus master, medium devsel, latency 0, IRQ 10 I/O ports at 1840 [size=32] 00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB 2.0 EHCI Controller (rev 03) (prog-if 20 [EHCI]) Subsystem: Gateway 2000: Unknown device 0450 Flags: bus master, medium devsel, latency 0, IRQ 10 Memory at d0000000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Let me know if you need anything more...
I forgot the model information: scsi0 : SCSI emulation for USB Mass Storage devices Vendor: SONY Model: DVD RW DRU-510A Rev: 1.0d Type: CD-ROM ANSI SCSI revision: 02 USB Mass Storage device found at 2 usbcore: registered new driver usb-storage USB Mass Storage support registered. sr0: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
I got this too with a USB TDK CD-R
Same problem here with a ASUS DRW-0804P and Fedora Core 3 Applying the patches mentioned in the following message fixed the problem http://marc.theaimsgroup.com/?l=linux-usb-users&m=109837385904817&w=2