(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Sun, 6 Dec 2009 03:34:49 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14745 > > Summary: usb-storage oops with Alcor USB flash card reader > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.32 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: USB > AssignedTo: greg@xxxxxxxxx > ReportedBy: alex.wauck@xxxxxxxxx > Regression: No > > > Created an attachment (id=24044) > --> (http://bugzilla.kernel.org/attachment.cgi?id=24044) > The backtrace from dmesg > > Bus 002 Device 002: ID 058f:6364 Alcor Micro Corp. > > The oops frequently occurs immediately after inserting a SD card, although the > most recent oops occurred when unmounting the card after successfully mounting > it and copying data from it. > > I am running a 2.6.32 kernel from the Ubuntu mainline kernels repository. This > problem occurred with the Ubuntu 2.6.31 kernel as well. > > -- > Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email > ------- You are receiving this mail because: ------- > You are on the CC list for the bug. > [ 294.074711] sd 8:0:0:0: [sdc] 15523840 512-byte logical blocks: (7.94 GB/7.40 GiB) > [ 294.075693] sd 8:0:0:0: [sdc] Assuming drive cache: write through > [ 294.077066] sd 8:0:0:0: [sdc] Assuming drive cache: write through > [ 294.077073] sdc: sdc1 > [ 482.131317] usb 2-3: reset high speed USB device using ehci_hcd and address 2 > [ 482.283140] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 > [ 482.283156] IP: [<ffffffff81334ca0>] dev_get_drvdata+0x10/0x30 > [ 482.283175] PGD 37884067 PUD 7ac01067 PMD 0 > [ 482.283184] Oops: 0000 [#1] SMP > [ 482.283191] last sysfs file: /sys/devices/pci0000:00/0000:00:13.2/usb2/2-3/2-3:1.0/bInterfaceSubClass > [ 482.283198] CPU 1 > [ 482.283202] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat binfmt_misc ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp bridge stp ppdev kvm_amd kvm radeon ttm drm_kms_helper drm i2c_algo_bit snd_emu10k1_synth snd_emux_synth snd_hda_codec_atihdmi snd_seq_virmidi snd_seq_midi_emul snd_hda_codec_realtek snd_emu10k1 snd_ac97_codec snd_hda_intel ac97_bus snd_hda_codec snd_util_mem snd_pcm_oss snd_mixer_oss snd_seq_dummy snd_pcm snd_hwdep snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd emu10k1_gp iptable_filter lp ip_tables k8temp asus_atk0110 parport x_tables soundcore snd_page_alloc amd64_edac_mod edac_core psmouse serio_raw gameport i2c_piix4 ohci1394 ieee1394 usb_storage usbhid atl1 mii > [ 482.283312] Pid: 425, comm: usb-storage Not tainted 2.6.32-020632-generic #020632 System Product Name > [ 482.283318] RIP: 0010:[<ffffffff81334ca0>] [<ffffffff81334ca0>] dev_get_drvdata+0x10/0x30 > [ 482.283329] RSP: 0018:ffff88007ababcd0 EFLAGS: 00010206 > [ 482.283333] RAX: 0000000000000000 RBX: ffff88007a004000 RCX: ffffffff813b38f9 > [ 482.283338] RDX: 0000000000000000 RSI: 0000000000000292 RDI: 0000000000000030 > [ 482.283344] RBP: ffff88007ababcd0 R08: ffff88007abaa000 R09: ffffffff817cad10 > [ 482.283349] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88007b3b9600 > [ 482.283354] R13: ffff88007d19c000 R14: ffff88007a004000 R15: ffff88007b33e000 > [ 482.283360] FS: 00007fa5fd9c4770(0000) GS:ffff880001c80000(0000) knlGS:00000000f6a1d750 > [ 482.283366] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > [ 482.283370] CR2: 0000000000000038 CR3: 000000003794b000 CR4: 00000000000006e0 > [ 482.283376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 482.283381] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 482.283387] Process usb-storage (pid: 425, threadinfo ffff88007abaa000, task ffff88007a020000) > [ 482.283391] Stack: > [ 482.283394] ffff88007ababcf0 ffffffffa0017771 ffff88007a004000 ffff88007b3b9600 > [ 482.283403] <0> ffff88007ababd10 ffffffffa0017813 ffff88007d19c000 ffff88007a006880 > [ 482.283412] <0> ffff88007ababd50 ffffffffa00178af ffff88007ababd30 ffff88007b3b9600 > [ 482.283422] Call Trace: > [ 482.283438] [<ffffffffa0017771>] usbhid_restart_ctrl_queue+0x21/0xa0 [usbhid] > [ 482.283451] [<ffffffffa0017813>] usbhid_restart_queues+0x23/0x30 [usbhid] > [ 482.283462] [<ffffffffa00178af>] hid_post_reset+0x8f/0xc0 [usbhid] > [ 482.283472] [<ffffffff813addf5>] usb_reset_device+0xe5/0x180 > [ 482.283487] [<ffffffffa0029e1c>] usb_stor_port_reset+0x5c/0x60 [usb_storage] > [ 482.283500] [<ffffffffa002aece>] usb_stor_invoke_transport+0x1be/0x3b0 [usb_storage] > [ 482.283512] [<ffffffff81531f79>] ? wait_for_common+0x119/0x160 > [ 482.283525] [<ffffffff810543f0>] ? default_wake_function+0x0/0x10 > [ 482.283537] [<ffffffffa0029c99>] usb_stor_transparent_scsi_command+0x9/0x10 [usb_storage] > [ 482.283551] [<ffffffffa002bf12>] usb_stor_control_thread+0x162/0x240 [usb_storage] > [ 482.283563] [<ffffffffa002bdb0>] ? usb_stor_control_thread+0x0/0x240 [usb_storage] > [ 482.283572] [<ffffffff8107f36e>] kthread+0x8e/0xa0 > [ 482.283581] [<ffffffff8101302a>] child_rip+0xa/0x20 > [ 482.283588] [<ffffffff8107f2e0>] ? kthread+0x0/0xa0 > [ 482.283595] [<ffffffff81013020>] ? child_rip+0x0/0x20 > [ 482.283598] Code: 4c 89 ee 48 c7 c7 ba 4a 33 81 ff d0 49 8b 07 48 85 c0 75 da e9 55 fe ff ff 90 90 55 48 85 ff 48 89 e5 75 07 c9 31 c0 c3 0f 1f 00 <48> 8b 47 08 48 85 c0 74 f0 48 8b 80 88 00 00 00 c9 c3 66 66 66 > [ 482.283667] RIP [<ffffffff81334ca0>] dev_get_drvdata+0x10/0x30 > [ 482.283676] RSP <ffff88007ababcd0> > [ 482.283679] CR2: 0000000000000038 > [ 482.283685] ---[ end trace d2a71b6ffc804db9 ]--- > > -- 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