[Bug 105624] pluging in bad ipod causes kernel oops

Jos Dehaes jos_dehaes at fastmail.fm
Wed Apr 11 18:09:33 UTC 2007 

Public bug reported:

(feisty current as of 2007-04-11) My ipod crashed, and makes sounds like
a crashed disk. I plugged it in, to try to salvage it (fsck, etc...),
but the kernel just oopses (see below). I understand you can't fix the
ipod, but the kernel should not crash IMO ;-)

Apr 11 19:52:28 duet-feisty kernel: [  125.740000] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  printing eip:
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] c0258315
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] *pde = 00000000
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] Oops: 0000 [#1]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] SMP 
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] Modules linked in: af_packet vmnet(P) vmblock(P) vmmon(P) binfmt_misc rfcomm l2cap bluetooth nfs ipv6 nfsd exportfs lockd sunrpc ppdev acpi_cpufreq cpufreq_stats cpufreq_conservative cpufreq_powersave cpufreq_ondemand cpufreq_userspace freq_table tc1100_wmi dev_acpi sony_acpi pcc_acpi battery button sbs i2c_ec dock container asus_acpi ac backlight video sbp2 parport_pc lp parport fuse joydev snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm usb_storage snd_seq_dummy pcmcia snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event ipw3945 yenta_socket rsrc_nonstatic pcmcia_core libusual nvidia(P) irda snd_seq ieee80211 ieee80211_crypt psmouse serio_raw i2c_core iTCO_wdt iTCO_vendor_support crc_ccitt snd_timer snd_seq_device snd soundcore snd_page_alloc shpchp pci_hotplug intel_agp agpgart tsdev evdev ext3 jbd mbcache sg sr_mod cdrom sd_mod ohci1394 ieee1394 ehci_hcd tg3 uhci_hcd ata_piix ata_generic libata scsi_mod generic usbcore thermal processor fan capa
Apr 11 19:52:28 duet-feisty kernel: ility commoncap vesafb fbcon tileblit font bitblit softcursor
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] CPU:    0
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] EIP:    0060:[make_class_name+53/160]    Tainted: P      VLI
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] EFLAGS: 00010202   (2.6.20-14-generic #2)
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] EIP is at make_class_name+0x35/0xa0
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] eax: 00000000   ebx: ffffffff   ecx: ffffffff   edx: 0000000b
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] esi: f8863c91   edi: 00000000   ebp: 00000000   esp: dff17e50
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] ds: 007b   es: 007b   ss: 0068
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] Process khubd (pid: 2079, ti=dff16000 task=df898030 task.ti=dff16000)
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] Stack: df91e204 f8875ec0 df91e1fc df91e204 f8875e40 c0258591 00000000 f8875ec8 
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]        df91e1fc df8bf400 00000246 ffffffed c0258618 df91e000 f885da50 df91e000 
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]        df8bf400 f885b12b df8bf430 df8bf400 f8855825 df8bf6f4 df9eae18 f9228f60 
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] Call Trace:
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [class_device_del+161/288] class_device_del+0xa1/0x120
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [class_device_unregister+8/16] class_device_unregister+0x8/0x10
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f885da50>] __scsi_remove_device+0x30/0x80 [scsi_mod]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f885b12b>] scsi_forget_host+0x4b/0x60 [scsi_mod]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f8855825>] scsi_remove_host+0x55/0xe0 [scsi_mod]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f921acae>] storage_disconnect+0xe/0x20 [usb_storage]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f8e89d20>] usb_unbind_interface+0x50/0xa0 [usbcore]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [__device_release_driver+104/160] __device_release_driver+0x68/0xa0
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [device_release_driver+35/64] device_release_driver+0x23/0x40
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [bus_remove_device+92/144] bus_remove_device+0x5c/0x90
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [device_del+338/432] device_del+0x152/0x1b0
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f8e871ee>] usb_disable_device+0x7e/0xe0 [usbcore]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f8e83597>] usb_disconnect+0x97/0x130 [usbcore]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f8e842ff>] hub_thread+0x26f/0xc20 [usbcore]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [<f8e84090>] hub_thread+0x0/0xc20 [usbcore]
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [kthread+186/240] kthread+0xba/0xf0
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [kthread+0/240] kthread+0x0/0xf0
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  =======================
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] Code: ff ff 89 6c 24 10 31 ed 89 d9 89 74 24 08 89 c6 89 7c 24 0c 89 c7 89 e8 89 14 24 f2 ae f7 d1 49 8b 04 24 89 ca 89 d9 8b 38 89 e8 <f2> ae f7 d1 49 8d 44 0a 02 ba d0 00 00 00 e8 38 ae f1 ff ba f4 
Apr 11 19:52:28 duet-feisty kernel: [  125.740000] EIP: [make_class_name+53/160] make_class_name+0x35/0xa0 SS:ESP 0068:dff17e50
Apr 11 19:52:28 duet-feisty kernel: [  125.740000]  <6>sd 2:0:0:0: scsi: Device offlined - not ready after error recovery
Apr 11 19:52:28 duet-feisty kernel: [  125.744000] sdb : READ CAPACITY failed.
Apr 11 19:52:28 duet-feisty kernel: [  125.744000] sdb : status=0, message=00, host=1, driver=00 
Apr 11 19:52:28 duet-feisty kernel: [  125.744000] sdb : sense not available. 
Apr 11 19:52:28 duet-feisty kernel: [  125.744000] sdb: Write Protect is off
Apr 11 19:52:28 duet-feisty kernel: [  125.744000] sdb: Mode Sense: 00 00 00 00
Apr 11 19:52:28 duet-feisty kernel: [  125.744000] sdb: assuming drive cache: write through
Apr 11 19:52:28 duet-feisty kernel: [  125.748000] sd 2:0:0:0: Attached scsi removable disk sdb
Apr 11 19:52:28 duet-feisty kernel: [  125.748000] sd 2:0:0:0: Attached scsi generic sg2 type 0
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb : READ CAPACITY failed.
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb : status=0, message=00, host=1, driver=00 
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb : sense not available. 
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb: Write Protect is off
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb: Mode Sense: 00 00 00 00
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb: assuming drive cache: write through
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb : READ CAPACITY failed.
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb : status=0, message=00, host=1, driver=00 
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb : sense not available. 
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb: Write Protect is off
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb: Mode Sense: 00 00 00 00
Apr 11 19:52:28 duet-feisty kernel: [  125.860000] sdb: assuming drive cache: write through
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb : READ CAPACITY failed.
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb : status=0, message=00, host=1, driver=00 
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb : sense not available. 
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb: Write Protect is off
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb: Mode Sense: 00 00 00 00
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb: assuming drive cache: write through
Apr 11 19:52:28 duet-feisty kernel: [  125.864000] sdb : READ CAPACITY failed.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
pluging in bad ipod causes kernel oops
https://bugs.launchpad.net/bugs/105624
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