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Message #02783
[Bug 1050352] Re: External USB 3.0 hard drive randomly disconnects and connects
Oh, sorry, i misunderstood you.
I didn't file the bug, I've got a different dock. The thing is, that it works fine if plugged into usb 2.0 ports (even on linux), so it shouldn't be a hardware defect.
Even if it is, the same happens when plugging my kingston pendrive into the usb 3.0 port (even though it's only USB 2.0), which i have used for a year under windows.
I might be affected by some other bug, because now the usb 3.0 ports remain unpowered until reboot.
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https://bugs.launchpad.net/bugs/1050352
Title:
External USB 3.0 hard drive randomly disconnects and connects
Status in “linux” package in Ubuntu:
Triaged
Bug description:
Ubuntu 12.10 AMD64, kernel 3.5.0-14.16.
External hard drive Hitachi Touro Desk 3.0 connected to USB 3.0 port.
Gets disconnected randomly and then connected again. Only happens with
USB 3.0 connection (xhci), when plugged to USB 2.0 (ehci) port it
works ok.
Attached is related kernel log portion: there is nothing special there
except for these lines:
11-2: Parent hub missing LPM exit latency info. Power management will be impacted.
usb 11-2: USB disconnect, device number 2
---
AcpiTables: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing /usr/share/apport/dump_acpi_tables.py: Permission denied
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: dmitry 3011 F.... pulseaudio
/dev/snd/controlC1: dmitry 3011 F.... pulseaudio
/dev/snd/controlC0: dmitry 3011 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
DistroRelease: Ubuntu 12.10
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=e3fa02f8-4f15-4f00-9d79-e982d4837b5c
IwConfig:
vboxnet0 no wireless extensions.
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. P55A-UD4
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic root=UUID=33c3405d-4b3c-4b5c-a1c3-fd2c7bad1c79 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.5.0-14.16-generic 3.5.3
RelatedPackageVersions:
linux-restricted-modules-3.5.0-14-generic N/A
linux-backports-modules-3.5.0-14-generic N/A
linux-firmware 1.91
RfKill:
Tags: quantal running-unity
Uname: Linux 3.5.0-14-generic x86_64
UpgradeStatus: Upgraded to quantal on 2012-09-07 (6 days ago)
UserGroups: adm cdrom dialout fuse kvm libvirtd lpadmin plugdev pulse pulse-access sambashare sudo vboxusers wireshark
dmi.bios.date: 08/10/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F14
dmi.board.name: P55A-UD4
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF14:bd08/10/2010:svnGigabyteTechnologyCo.,Ltd.:pnP55A-UD4:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP55A-UD4:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P55A-UD4
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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