Requested file attached. ** Attachment added: "lsusb.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1211806/+attachment/3773540/+files/lsusb.log
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1211806 Title: USB drive with VFAT not mountable in saucy Status in “linux” package in Ubuntu: Confirmed Bug description: I have two USB disk devices that don't work anymore when I updated to Saucy. The first is a plain USB stick, which prints this into dmesg: [26938.517257] sd 7:0:0:0: [sdd] 7928832 512-byte logical blocks: (4.05 GB/3.78 GiB) [26938.518243] sd 7:0:0:0: [sdd] Write Protect is off [26938.518248] sd 7:0:0:0: [sdd] Mode Sense: 43 00 00 00 [26938.519271] sd 7:0:0:0: [sdd] No Caching mode page present [26938.519277] sd 7:0:0:0: [sdd] Assuming drive cache: write through [26969.329050] usb 1-1.4.5.3: reset high-speed USB device number 8 using ehci-pci The second is an Android phone, which prints this to dmesg: [27177.508842] usb-storage 1-1.4.5.2:1.0: USB Mass Storage device detected [27177.509078] scsi9 : usb-storage 1-1.4.5.2:1.0 [27178.511239] scsi 9:0:0:0: Direct-Access HTC Android Phone 0100 PQ: 0 ANSI: 2 [27178.511539] sd 9:0:0:0: Attached scsi generic sg4 type 0 [27178.518163] sd 9:0:0:0: [sdd] 15523840 512-byte logical blocks: (7.94 GB/7.40 GiB) [27178.520156] sd 9:0:0:0: [sdd] Write Protect is off [27178.520161] sd 9:0:0:0: [sdd] Mode Sense: 0f 00 00 00 [27178.522172] sd 9:0:0:0: [sdd] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [27178.548336] sdd: sdd1 [27178.569834] sd 9:0:0:0: [sdd] Attached SCSI removable disk [27181.553057] usb 1-1.4.5.2: USB disconnect, device number 16 [27181.559355] FAT-fs (sdd1): unable to read boot sector to mark fs as dirty Both devices: - work on other machines - fail when plugged to a hub or directly in the computer A USB disk with ext4 works flawlessly. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image (not installed) ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3 Uname: Linux 3.10.0-6-generic x86_64 ApportVersion: 2.12-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: jpakkane 2060 F.... pulseaudio /dev/snd/controlC0: jpakkane 2060 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Date: Tue Aug 13 17:23:03 2013 InstallationDate: Installed on 2013-05-20 (85 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MarkForUpload: True ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.10.0-6-generic root=UUID=7dd49803-456a-4327-aeb5-7ea47105ef3e ro rootflags=subvol=@ quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.10.0-6-generic N/A linux-backports-modules-3.10.0-6-generic N/A linux-firmware 1.113 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-08-08 (5 days ago) dmi.bios.date: 05/16/2013 dmi.bios.vendor: Intel Corp. dmi.bios.version: EBH7710H.86A.0101.2013.0516.1649 dmi.board.name: DH77EB dmi.board.vendor: Intel Corporation dmi.board.version: AAG39073-304 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrEBH7710H.86A.0101.2013.0516.1649:bd05/16/2013:svn:pn:pvr:rvnIntelCorporation:rnDH77EB:rvrAAG39073-304:cvn:ct3:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1211806/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp