Actually, I tried with another usb keys and it is working fine on 3.8.0-29. The affected ones are all Kingston DT101 G2. Some of those report Manufacturer: SKYMEDI with a broken SerialNumber: ^FK, others are reporting Product: DT 101 G2 Manufacturer: KINGSTON SerialNumber: 001CC0EC350DACB0270B4EB7 but still, they don't work anymore on 3.8.0-29.
If necessary, I can try 3.8.0-28 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1218804 Title: usb mass storage devices not working in 3.8.0-29 Status in “linux” package in Ubuntu: Confirmed Bug description: Hi, I got some usb keys that are not working anymore since upgrading to 3.8.0-29. I can confirm they are working fine when using 3.8.0-27. dmesg excerpt: Aug 30 11:02:56 ney kernel: [ 859.220974] usb 1-1.2: new high-speed USB device number 5 using ehci-pci Aug 30 11:02:56 ney kernel: [ 859.315898] usb 1-1.2: New USB device found, idVendor=1516, idProduct=1226 Aug 30 11:02:56 ney kernel: [ 859.315905] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Aug 30 11:02:56 ney kernel: [ 859.315909] usb 1-1.2: Product: USB Drive Aug 30 11:02:56 ney kernel: [ 859.315912] usb 1-1.2: Manufacturer: SKYMEDI Aug 30 11:02:56 ney kernel: [ 859.315915] usb 1-1.2: SerialNumber: ^FK Aug 30 11:02:56 ney kernel: [ 859.317060] scsi15 : usb-storage 1-1.2:1.0 Aug 30 11:02:57 ney kernel: [ 861.004413] scsi 15:0:0:0: Direct-Access 1.00 PQ: 0 ANSI: 4 Aug 30 11:02:57 ney kernel: [ 861.006099] sd 15:0:0:0: Attached scsi generic sg1 type 0 Aug 30 11:02:57 ney kernel: [ 861.006798] sd 15:0:0:0: [sdb] 15204352 512-byte logical blocks: (7.78 GB/7.25 GiB) Aug 30 11:02:57 ney kernel: [ 861.010550] sd 15:0:0:0: [sdb] Write Protect is off Aug 30 11:02:57 ney kernel: [ 861.010559] sd 15:0:0:0: [sdb] Mode Sense: 2f 00 00 00 Aug 30 11:02:57 ney kernel: [ 861.013025] sd 15:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA Then , there is no sdb appearing in /proc/partitions and /dev/sdb is not created. After a while (30s), I get: Aug 30 11:03:28 ney kernel: [ 891.254466] usb 1-1.2: reset high-speed USB device number 5 using ehci-pci Aug 30 11:03:28 ney kernel: [ 891.347004] usb 1-1.2: device firmware changed Aug 30 11:03:28 ney kernel: [ 891.347173] sd 15:0:0:0: Device offlined - not ready after error recovery Aug 30 11:03:28 ney kernel: [ 891.347266] usb 1-1.2: USB disconnect, device number 5 Aug 30 11:03:28 ney kernel: [ 891.347963] sd 15:0:0:0: [sdb] Attached SCSI removable disk Aug 30 11:03:28 ney kernel: [ 891.426368] usb 1-1.2: new high-speed USB device number 6 using ehci-pci Aug 30 11:03:28 ney kernel: [ 891.519897] usb 1-1.2: New USB device found, idVendor=1516, idProduct=1226 Aug 30 11:03:28 ney kernel: [ 891.519905] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Aug 30 11:03:28 ney kernel: [ 891.519909] usb 1-1.2: Product: USB Drive Aug 30 11:03:28 ney kernel: [ 891.519912] usb 1-1.2: Manufacturer: SKYMEDI Aug 30 11:03:28 ney kernel: [ 891.519915] usb 1-1.2: SerialNumber: ^GK Aug 30 11:03:28 ney kernel: [ 891.520758] scsi16 : usb-storage 1-1.2:1.0 Aug 30 11:03:29 ney kernel: [ 892.522516] scsi 16:0:0:0: Direct-Access 1.00 PQ: 0 ANSI: 4 Aug 30 11:03:29 ney kernel: [ 892.523984] sd 16:0:0:0: Attached scsi generic sg1 type 0 Aug 30 11:03:29 ney kernel: [ 892.524777] sd 16:0:0:0: [sdb] 15204352 512-byte logical blocks: (7.78 GB/7.25 GiB) Aug 30 11:03:29 ney kernel: [ 892.527323] sd 16:0:0:0: [sdb] Write Protect is off Aug 30 11:03:29 ney kernel: [ 892.527330] sd 16:0:0:0: [sdb] Mode Sense: 2f 00 00 00 Aug 30 11:03:29 ney kernel: [ 892.529763] sd 16:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA And so on. Using 3.8.0-27, I get: [ 1166.848466] usb 3-2.1.1: new high-speed USB device number 10 using xhci_hcd [ 1166.866354] usb 3-2.1.1: New USB device found, idVendor=1516, idProduct=1226 [ 1166.866361] usb 3-2.1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1166.866365] usb 3-2.1.1: Product: USB Drive [ 1166.866368] usb 3-2.1.1: Manufacturer: SKYMEDI [ 1166.866371] usb 3-2.1.1: SerialNumber: [ 1166.866371] K [ 1166.867162] scsi9 : usb-storage 3-2.1.1:1.0 [ 1169.303686] scsi 9:0:0:0: Direct-Access 1.00 PQ: 0 ANSI: 4 [ 1169.304967] sd 9:0:0:0: Attached scsi generic sg1 type 0 [ 1169.305291] sd 9:0:0:0: [sdb] 15204352 512-byte logical blocks: (7.78 GB/7.25 GiB) [ 1169.308129] sd 9:0:0:0: [sdb] Write Protect is off [ 1169.308138] sd 9:0:0:0: [sdb] Mode Sense: 2f 00 00 00 [ 1169.310052] sd 9:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 1169.316515] sdb: sdb1 [ 1169.322861] sd 9:0:0:0: [sdb] Attached SCSI removable disk [ 1170.150762] EXT4-fs (sdb1): recovery complete [ 1170.154789] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null) ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-27-generic 3.8.0-27.40 ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4 Uname: Linux 3.8.0-27-generic x86_64 ApportVersion: 2.9.2-0ubuntu8.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: alex 2510 F.... pulseaudio Date: Fri Aug 30 11:31:10 2013 HibernationDevice: RESUME=UUID=0cf2483e-c441-45a0-858d-b7bef8435676 InstallationDate: Installed on 2013-03-15 (167 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: Dell Inc. Latitude E6230 MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-27-generic root=UUID=1f048f47-95a8-43de-becd-c70fad6088e4 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.8.0-27-generic N/A linux-backports-modules-3.8.0-27-generic N/A linux-firmware 1.106 SourcePackage: linux UpgradeStatus: Upgraded to raring on 2013-04-26 (125 days ago) dmi.bios.date: 02/06/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A09 dmi.board.name: 0GWYCT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA09:bd02/06/2013:svnDellInc.:pnLatitudeE6230:pvr01:rvnDellInc.:rn0GWYCT:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6230 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. 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