All of the tested disks use ext4. On Fri, Sep 14, 2018 at 4:11 AM Kai-Heng Feng <kai.heng.f...@canonical.com> wrote:
> What filesystem does the external disk use? > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1792045 > > Title: > Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04 > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > I cannot get my external 8TB sata hard drive (attached via USB 3) to > write faster than about 10 megabytes per second under Ubuntu 18.04. I > have another that writes at the expected full speed or close enough > (100+ MBps). > > I have tried: > > * Changing the enclosure from the stock to a new one > * Using usb-storage "quirks" options in modprobe conf files to work > around any UAS incompatibilities with the bridge (many reports of the drive > working at full performance when disabling UAS, no such luck for me) > * Checking the disk for errors > * Updating the kernel to the most recent mainline (4.18.6 at the time) > * Checking UEFI settings (I'm already on the most recent revision of the > firmware) > * Applying all available updates > * Changing USB ports > * Checking dmesg for any obvious errors (dead end, I googled everything) > > Again, a different external 3TB USB 3 drive does not have any write > speed issues at all, so it's not the computer (Intel NUC7PJYH). > > However, the very same drive in both of the enclosures I have used > works *perfectly* in Ubuntu 16.04 on kernel 4.15.0-34 in both a live > session and installed. I am not sure what the difference is between > the two LTS versions that is causing this, but unfortunately I think > I've reached the end of my know-how on this. > > Thank you for your time, and please let me know what other information > I can provide. > > ProblemType: Bug > DistroRelease: Ubuntu 18.04 > Package: linux-image-4.15.0-33-generic 4.15.0-33.36 > ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18 > Uname: Linux 4.15.0-33-generic x86_64 > ApportVersion: 2.20.9-0ubuntu7.3 > Architecture: amd64 > AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', > '/dev/snd/hwC0D0', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', > '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', > '/dev/snd/timer'] failed with exit code 1: > CurrentDesktop: XFCE > Date: Tue Sep 11 18:33:46 2018 > InstallationDate: Installed on 2018-09-06 (4 days ago) > InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 > (20180725) > Lsusb: > Bus 002 Device 002: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA > 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 003: ID 8087:0aaa Intel Corp. > Bus 001 Device 002: ID 1997:2433 > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > MachineType: Intel Corporation NUC7PJYH > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: > > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-33-generic > root=UUID=b40fd1a1-0de5-40bb-b598-7f4cd53daee1 ro quiet splash vt.handoff=1 > PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No > PulseAudio daemon running, or not running as session daemon. > RelatedPackageVersions: > linux-restricted-modules-4.15.0-33-generic N/A > linux-backports-modules-4.15.0-33-generic N/A > linux-firmware 1.173.1 > SourcePackage: linux > UpgradeStatus: No upgrade log present (probably fresh install) > WifiSyslog: > > dmi.bios.date: 08/21/2018 > dmi.bios.vendor: Intel Corp. > dmi.bios.version: JYGLKCPX.86A.0044.2018.0821.1915 > dmi.board.name: NUC7JYB > dmi.board.vendor: Intel Corporation > dmi.board.version: J67969-401 > dmi.chassis.type: 35 > dmi.chassis.vendor: Intel Corporation > dmi.chassis.version: 2.0 > dmi.modalias: > dmi:bvnIntelCorp.:bvrJYGLKCPX.86A.0044.2018.0821.1915:bd08/21/2018:svnIntelCorporation:pnNUC7PJYH:pvrJ67992-401:rvnIntelCorporation:rnNUC7JYB:rvrJ67969-401:cvnIntelCorporation:ct35:cvr2.0: > dmi.product.family: Intel NUC > dmi.product.name: NUC7PJYH > dmi.product.version: J67992-401 > dmi.sys.vendor: Intel Corporation > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1792045/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1792045 Title: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1792045/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
