apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1666109/+attachment/5141554/+files/ProcCpuinfo.txt
-- 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/1666109 Title: Optimal I/O size isn't calculated properly with uas module, and it may make data inconsistent on the disk and logical volume Status in linux package in Ubuntu: Confirmed Status in Fedora: Confirmed Bug description: 1) Ubuntu release Ubuntu 16.04.2 LTS x86_64 desktop 2) package name linux-generic-hwe-16.04 (4.8.0.36.8) 3) Expected behavior When I attached more than 3 uas devices, all uas devices would be probed as SCSI disks. 4) What happened instead The third device failed to be attached, and the first and second devices made strange behaviors. 5) Additional information When I used linux-generic (4.4.0.62.65), it was good. I found this bug on Fedora 25 at first, and I confirmed the same bug exists on Ubuntu 16.04 LTS. https://bugzilla.redhat.com/show_bug.cgi?id=1420935 --- ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: gdm 886 F.... pulseaudio yasuaki 1281 F.... pulseaudio /dev/snd/controlC0: gdm 886 F.... pulseaudio yasuaki 1281 F.... pulseaudio DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-05-19 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) IwConfig: enp0s25 no wireless extensions. lo no wireless extensions. Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic root=UUID=1a82c712-c415-4f32-b052-d7d987989726 ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.15.0-20-generic N/A linux-backports-modules-4.15.0-20-generic N/A linux-firmware 1.173 RfKill: Tags: bionic Uname: Linux 4.15.0-20-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 01/18/2017 dmi.bios.vendor: Intel Corporation dmi.bios.version: RYBDWi35.86A.0362.2017.0118.0940 dmi.board.name: NUC5i7RYB dmi.board.vendor: Intel Corporation dmi.board.version: H73774-101 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorporation:bvrRYBDWi35.86A.0362.2017.0118.0940:bd01/18/2017:svn:pn:pvr:rvnIntelCorporation:rnNUC5i7RYB:rvrH73774-101:cvn:ct3:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666109/+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
