The issue is gone with kernel linux-image-3.0.0-8-generic.
Plugged in verbatim-stick doesn't lead to cpu raise or freeze, neither does
opening palimpsest.
$ apt-cache policy linux-image-3.0.0-8-generic
linux-image-3.0.0-8-generic:
Installed: 3.0.0-8.10
Candidate: 3.0.0-8.11
Version table:
3.0.0-8.11 0
** Tags added: apport-collected staging
** Description changed:
Reproducable.
Attached usb-stick immediately results in high CPU range 81-89 %.
CPU fan races from ~1200 to ~2200 rpm.
Copy 350+MB from local hd to usb-stick. (Side note: more or less slow Bug
#392089)
After finished, open palimpsest to unmount usb-stick.
Result: palimpsest freeze, mouse freeze.
Switch to tty, kill palimpsest and gvfs-gdu-volume.
Back to desktop CPU slowed a little down, range 69-72 %.
Reopen palimpsest, CPU races again to ~80+%
Unmount and safely remove usb-stick. CPU slows immediately down to 2-3%.
It doesn't occur when usb-hd is switched on.
It didn't occur in Maverick.
USB-stick is FAT32, usb-hd is ext4 and fat32.
FWIW.
usb-stick
$sudo hdparm -tT /dev/sdc1
/dev/sdc1:
Timing cached reads: 1322 MB in 2.00 seconds = 659.56 MB/sec
Timing buffered disk reads: 36 MB in 3.14 seconds = 11.48 MB/sec
usb-hd
$sudo hdparm -tT /dev/sdb1
/dev/sdb1:
Timing cached reads: 1292 MB in 2.01 seconds = 643.43 MB/sec
Timing buffered disk reads: 50 MB in 3.06 seconds = 16.33 MB/sec
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: zookeeper 1453 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe8f8000 irq 45'
Mixer name : 'Realtek ALC1200'
Components : 'HDA:10ec0888,104382fe,00100101'
Controls : 40
Simple ctrls : 22
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfe9fc000 irq 46'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100100'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Thu May 5 20:25:02 2011
HibernationDevice: RESUME=UUID=cd79b927-9bc1-41b4-a855-b59c9381bb59
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcEnviron:
LANGUAGE=de:en
LANG=C
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
root=UUID=4140dca6-fb8d-48b8-a427-c00093cb684a ro
RelatedPackageVersions:
linux-restricted-modules-2.6.38-8-generic N/A
linux-backports-modules-2.6.38-8-generic N/A
linux-firmware 1.52
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to natty on 2011-04-28 (6 days ago)
dmi.bios.date: 07/30/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0305
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5QLD PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0305:bd07/30/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QLDPRO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
+ ---
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
+ Architecture: amd64
+ ArecordDevices:
+ **** List of CAPTURE Hardware Devices ****
+ card 0: SB [HDA ATI SB], device 0: STAC92xx Analog [STAC92xx Analog]
+ Subdevices: 1/1
+ Subdevice #0: subdevice #0
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: zootie 1607 F.... pulseaudio
+ CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
+ Card0.Amixer.info:
+ Card hw:0 'SB'/'HDA ATI SB at 0xd4400000 irq 16'
+ Mixer name : 'IDT 92HD88B1'
+ Components : 'HDA:111d7667,103c1475,00100105'
+ Controls : 14
+ Simple ctrls : 9
+ Card1.Amixer.info:
+ Card hw:1 'HDMI'/'HDA ATI HDMI at 0xd4310000 irq 19'
+ Mixer name : 'ATI RS690/780 HDMI'
+ Components : 'HDA:1002791a,00791a00,00100000'
+ Controls : 4
+ Simple ctrls : 1
+ Card1.Amixer.values:
+ Simple mixer control 'IEC958',0
+ Capabilities: pswitch pswitch-joined penum
+ Playback channels: Mono
+ Mono: Playback [on]
+ DistroRelease: Ubuntu 11.10
+ HibernationDevice: RESUME=UUID=b7df2b2e-608b-4290-b3b2-3b4ced196417
+ InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110423)
+ MachineType: Hewlett-Packard HP 625
+ NonfreeKernelModules: wl
+ Package: linux (not installed)
+ ProcEnviron:
+ PATH=(custom, no user)
+ LANG=de_DE.UTF-8
+ SHELL=/bin/bash
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-8-generic
root=UUID=4a760393-cea9-45d3-88c0-841b7a37104d ro
+ ProcVersionSignature: Ubuntu 3.0.0-8.10-generic 3.0.1
+ RelatedPackageVersions:
+ linux-restricted-modules-3.0.0-8-generic N/A
+ linux-backports-modules-3.0.0-8-generic N/A
+ linux-firmware 1.59
+ StagingDrivers: brcmsmac brcmutil
+ Tags: oneiric staging
+ Uname: Linux 3.0.0-8-generic x86_64
+ UpgradeStatus: Upgraded to oneiric on 2011-08-01 (12 days ago)
+ UserGroups:
+
+ dmi.bios.date: 12/07/2010
+ dmi.bios.vendor: Hewlett-Packard
+ dmi.bios.version: 68DVA Ver. F.06
+ dmi.board.asset.tag: Base Board Asset Tag
+ dmi.board.name: 1475
+ dmi.board.vendor: Hewlett-Packard
+ dmi.board.version: KBC Version 72.0E
+ dmi.chassis.asset.tag: CNU1080QP1
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: Hewlett-Packard
+ dmi.modalias:
dmi:bvnHewlett-Packard:bvr68DVAVer.F.06:bd12/07/2010:svnHewlett-Packard:pnHP625:pvr:rvnHewlett-Packard:rn1475:rvrKBCVersion72.0E:cvnHewlett-Packard:ct10:cvr:
+ dmi.product.name: HP 625
+ dmi.sys.vendor: Hewlett-Packard
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https://bugs.launchpad.net/bugs/778052
Title:
[2.6.38] Attached Verbatim USB-stick results in high CPU
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