[ 3536.266356] usb 2-2: new high speed USB device number 2 using ehci_hcd [ 3536.991398] usbcore: registered new interface driver uas [ 3536.993942] Initializing USB Mass Storage driver... [ 3536.994206] scsi5 : usb-storage 2-2:1.0 [ 3536.994364] usbcore: registered new interface driver usb-storage [ 3536.994372] USB Mass Storage support registered. [ 3537.993703] scsi 5:0:0:0: Direct-Access Rockbox Internal Storage 0.00 PQ: 0 ANSI: 4 [ 3537.994549] sd 5:0:0:0: [sdb] 15993856 512-byte logical blocks: (8.18 GB/7.62 GiB) [ 3537.995022] sd 5:0:0:0: [sdb] Write Protect is off [ 3537.995025] sd 5:0:0:0: [sdb] Mode Sense: 0b 00 00 08 [ 3537.995554] sd 5:0:0:0: [sdb] No Caching mode page present [ 3537.995558] sd 5:0:0:0: [sdb] Assuming drive cache: write through [ 3537.997663] sd 5:0:0:0: [sdb] No Caching mode page present [ 3537.997669] sd 5:0:0:0: [sdb] Assuming drive cache: write through [ 3537.999840] sdb: [ 3538.002203] sd 5:0:0:0: [sdb] No Caching mode page present [ 3538.002208] sd 5:0:0:0: [sdb] Assuming drive cache: write through [ 3538.002213] sd 5:0:0:0: [sdb] Attached SCSI removable disk [ 3615.911951] usb 2-2: USB disconnect, device number 2 [ 3644.383052] usb 2-2: new high speed USB device number 3 using ehci_hcd [ 3644.599175] scsi6 : usb-storage 2-2:1.0 [ 3645.596955] scsi 6:0:0:0: Direct-Access Rockbox Internal Storage 0.00 PQ: 0 ANSI: 4 [ 3645.598943] scsi 6:0:0:1: Direct-Access Rockbox SD Card Slot 0.00 PQ: 0 ANSI: 4 [ 3645.599296] sd 6:0:0:0: [sdb] 15993856 512-byte logical blocks: (8.18 GB/7.62 GiB) [ 3645.600045] sd 6:0:0:0: [sdb] Write Protect is off [ 3645.600049] sd 6:0:0:0: [sdb] Mode Sense: 0b 00 00 08 [ 3645.600424] sd 6:0:0:1: [sdc] 15949824 512-byte logical blocks: (8.16 GB/7.60 GiB) [ 3645.600924] sd 6:0:0:0: [sdb] No Caching mode page present [ 3645.600927] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 3645.601421] sd 6:0:0:1: [sdc] Write Protect is off [ 3645.601424] sd 6:0:0:1: [sdc] Mode Sense: 0b 00 00 08 [ 3645.618996] sd 6:0:0:1: [sdc] No Caching mode page present [ 3645.619001] sd 6:0:0:1: [sdc] Assuming drive cache: write through [ 3645.621686] sd 6:0:0:0: [sdb] No Caching mode page present [ 3645.621689] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 3645.623596] sdb: [ 3645.624189] sd 6:0:0:1: [sdc] No Caching mode page present [ 3645.624193] sd 6:0:0:1: [sdc] Assuming drive cache: write through [ 3645.627193] sdc: sdc1 [ 3645.632935] sd 6:0:0:0: [sdb] No Caching mode page present [ 3645.632938] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 3645.632941] sd 6:0:0:0: [sdb] Attached SCSI removable disk [ 3645.636192] sd 6:0:0:1: [sdc] No Caching mode page present [ 3645.636198] sd 6:0:0:1: [sdc] Assuming drive cache: write through [ 3645.636202] sd 6:0:0:1: [sdc] Attached SCSI removable disk [ 3669.789672] sdc: detected capacity change from 8166309888 to 0 [ 3673.437781] usb 2-2: USB disconnect, device number 3 [ 3696.826345] usb 2-2: new high speed USB device number 4 using ehci_hcd [ 3697.016493] scsi7 : usb-storage 2-2:1.0 [ 3698.017156] scsi 7:0:0:0: Direct-Access Rockbox Internal Storage 0.00 PQ: 0 ANSI: 4 [ 3698.017739] scsi 7:0:0:1: Direct-Access Rockbox SD Card Slot 0.00 PQ: 0 ANSI: 4 [ 3698.018609] sd 7:0:0:0: [sdb] 15993856 512-byte logical blocks: (8.18 GB/7.62 GiB) [ 3698.019170] sd 7:0:0:0: [sdb] Write Protect is off [ 3698.019174] sd 7:0:0:0: [sdb] Mode Sense: 0b 00 00 08 [ 3698.019926] sd 7:0:0:0: [sdb] No Caching mode page present [ 3698.019929] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 3698.020232] sd 7:0:0:1: [sdc] 15949824 512-byte logical blocks: (8.16 GB/7.60 GiB) [ 3698.037763] sd 7:0:0:1: [sdc] Write Protect is off [ 3698.037766] sd 7:0:0:1: [sdc] Mode Sense: 0b 00 00 08 [ 3698.038623] sd 7:0:0:1: [sdc] No Caching mode page present [ 3698.038626] sd 7:0:0:1: [sdc] Assuming drive cache: write through [ 3698.040610] sd 7:0:0:0: [sdb] No Caching mode page present [ 3698.040616] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 3698.042385] sdb: [ 3698.043595] sd 7:0:0:1: [sdc] No Caching mode page present [ 3698.043597] sd 7:0:0:1: [sdc] Assuming drive cache: write through [ 3698.044849] sdc: sdc1 [ 3698.047256] sd 7:0:0:0: [sdb] No Caching mode page present [ 3698.047262] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 3698.047267] sd 7:0:0:0: [sdb] Attached SCSI removable disk [ 3698.053119] sd 7:0:0:1: [sdc] No Caching mode page present [ 3698.053121] sd 7:0:0:1: [sdc] Assuming drive cache: write through [ 3698.053124] sd 7:0:0:1: [sdc] Attached SCSI removable disk [ 3728.479697] usb 2-2: reset high speed USB device number 4 using ehci_hcd [ 3743.586378] usb 2-2: device descriptor read/64, error -110 [ 3758.796341] usb 2-2: device descriptor read/64, error -110 [ 3759.006353] usb 2-2: reset high speed USB device number 4 using ehci_hcd [ 3760.989964] usb 2-2: USB disconnect, device number 4 [ 3760.990047] sd 7:0:0:1: Device offlined - not ready after error recovery [ 3760.990057] sd 7:0:0:1: rejecting I/O to offline device [ 3760.990061] sd 7:0:0:1: killing request [ 3760.991198] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 3760.991220] IP: [] sd_revalidate_disk+0x35/0x1c90 [sd_mod] [ 3760.991239] PGD 837af067 PUD 837ae067 PMD 0 [ 3760.991252] Oops: 0000 [#1] PREEMPT SMP [ 3760.991263] CPU 0 [ 3760.991267] Modules linked in: nls_cp437 vfat fat usb_storage uas tun vmnet ppdev parport_pc parport vsock vmci vmmon cpufreq_ondemand freq_table tp_smapi hdaps thinkpad_ec fuse cryptd aes_x86_64 aes_generic ecb btusb bluetooth joydev snd_hda_codec_analog pcmcia arc4 iTCO_wdt firewire_ohci iTCO_vendor_support firewire_core crc_itu_t pcspkr psmouse yenta_socket tpm_tis tpm thinkpad_acpi serio_raw pcmcia_rsrc tpm_bios ac battery pcmcia_core snd_hda_intel nvram iwl4965 iwl_legacy i2c_i801 evdev snd_hda_codec snd_hwdep snd_pcm mac80211 cfg80211 thermal processor snd_timer rfkill snd e1000e intel_agp intel_gtt soundcore snd_page_alloc ext4 mbcache jbd2 crc16 sr_mod cdrom sd_mod pata_acpi ata_piix uhci_hcd ahci libahci libata scsi_mod ehci_hcd usbcore nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core mxm_wmi wmi video button [ 3760.991663] [ 3760.991667] Pid: 25144, comm: udisks-part-id Not tainted 3.1.5-1-ARCH #1 LENOVO 7662CTO/7662CTO [ 3760.991682] RIP: 0010:[] [] sd_revalidate_disk+0x35/0x1c90 [sd_mod] [ 3760.991696] RSP: 0018:ffff88007605ba28 EFLAGS: 00010246 [ 3760.991703] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 3760.991711] RDX: 0000000000000000 RSI: ffff880083731600 RDI: ffff88010a6de800 [ 3760.991721] RBP: ffff88007605bae8 R08: 0000000800000000 R09: 00000008ffffffff [ 3760.991733] R10: 0000000000000001 R11: ffffc9000040e000 R12: ffff88010a6de800 [ 3760.991747] R13: 00000000ffffff85 R14: ffff880134824e18 R15: ffff88010a6de800 [ 3760.991760] FS: 00007ffab2bf6740(0000) GS:ffff88013bc00000(0000) knlGS:0000000000000000 [ 3760.991774] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 3760.991785] CR2: 0000000000000008 CR3: 0000000083bfe000 CR4: 00000000000006f0 [ 3760.991799] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3760.991812] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 3760.991826] Process udisks-part-id (pid: 25144, threadinfo ffff88007605a000, task ffff88012a46ab20) [ 3760.991845] Stack: [ 3760.991851] ffff88007605ba78 ffffffff81177c54 ffff88007605ba78 ffffffff81192cd0 [ 3760.991872] ffff8800836c6148 ffff88010a6de848 0000000000000000 00000000ffffff85 [ 3760.991893] ffff88007605ba98 ffffffff8115f9c3 ffff88010a6de800 ffff880134824ef8 [ 3760.991914] Call Trace: [ 3760.991925] [] ? iget5_locked+0x94/0x1f0 [ 3760.991937] [] ? bdev_test+0x20/0x20 [ 3760.991945] [] ? get_super+0x73/0xd0 [ 3760.991954] [] ? iput+0x48/0x210 [ 3760.991964] [] rescan_partitions+0xaa/0x4d0 [ 3760.991975] [] __blkdev_get+0x2ce/0x430 [ 3760.991984] [] blkdev_get+0x53/0x310 [ 3760.991997] [] blkdev_open+0x5d/0x80 [ 3760.992008] [] __dentry_open+0x21c/0x3f0 [ 3760.992017] [] ? blkdev_get+0x310/0x310 [ 3760.992027] [] nameidata_to_filp+0x71/0x80 [ 3760.992048] [] do_last+0x32c/0x9d0 [ 3760.992059] [] path_openat+0xd2/0x3c0 [ 3760.992076] [] ? handle_mm_fault+0x1b4/0x350 [ 3760.992094] [] do_filp_open+0x42/0xa0 [ 3760.992114] [] ? alloc_fd+0xec/0x140 [ 3760.992131] [] do_sys_open+0xf7/0x1d0 [ 3760.992151] [] sys_open+0x20/0x30 [ 3760.992169] [] system_call_fastpath+0x16/0x1b [ 3760.992188] Code: 41 54 53 48 81 ec 98 00 00 00 66 66 66 66 90 48 8b 9f 38 03 00 00 31 d2 65 48 8b 04 25 28 00 00 00 48 89 45 c8 31 c0 48 89 7d 90 <4c> 8b 7b 08 41 8b 87 70 06 00 00 83 f8 04 0f 95 c2 83 f8 06 0f [ 3760.992418] RIP [] sd_revalidate_disk+0x35/0x1c90 [sd_mod] [ 3760.992440] RSP [ 3760.992448] CR2: 0000000000000008 [ 3760.997315] sdc: detected capacity change from 8166309888 to 0 [ 3761.007260] ---[ end trace 0db8b66f7f6e18fc ]---