[Bug 593293] [NEW] disk usage for 10 seconds when plugging the AC [2.6.35-2-generic]

[Nicolò Chieffo]

Public bug reported:

The steps to reproduce are very simple:
1) unplug the AC
2) plug the AC

what happens: the hard disk led stays lighted for 10~20 seconds, while the laptop in unresponsive.
I've hisolated the dmesg, which I'll paste here

[  251.041719] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  251.041724] sr 1:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00
[  251.041733] ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
[  251.041734]          res 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
[  251.041737] ata2.00: status: { DRDY }
[  251.041740] ata2: hard resetting link
[  251.572575] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  251.600225] ata2.00: configured for UDMA/100
[  251.600836] ata2: EH complete
[  252.082555] ata1.00: exception Emask 0x0 SAct 0xf SErr 0x0 action 0x6 frozen
[  252.082567] ata1.00: failed command: WRITE FPDMA QUEUED
[  252.082572] ata1.00: cmd 61/08:00:d5:a4:0c/00:00:12:00:00/40 tag 0 ncq 4096 out
[  252.082573]          res 40/00:fe:00:00:00/00:00:00:00:00/40 Emask 0x4 (timeout)
[  252.082576] ata1.00: status: { DRDY }
[  252.082578] ata1.00: failed command: WRITE FPDMA QUEUED
[  252.082583] ata1.00: cmd 61/08:08:5d:29:91/00:00:11:00:00/40 tag 1 ncq 4096 out
[  252.082584]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  252.082586] ata1.00: status: { DRDY }
[  252.082588] ata1.00: failed command: WRITE FPDMA QUEUED
[  252.082592] ata1.00: cmd 61/08:10:ed:22:a7/00:00:11:00:00/40 tag 2 ncq 4096 out
[  252.082593]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  252.082596] ata1.00: status: { DRDY }
[  252.082598] ata1.00: failed command: WRITE FPDMA QUEUED
[  252.082602] ata1.00: cmd 61/08:18:15:23:a7/00:00:11:00:00/40 tag 3 ncq 4096 out
[  252.082603]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  252.082605] ata1.00: status: { DRDY }
[  252.082609] ata1: hard resetting link
[  252.610221] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[  252.715036] ata1.00: configured for UDMA/133
[  252.715045] ata1.00: device reported invalid CHS sector 0
[  252.715050] ata1.00: device reported invalid CHS sector 0
[  252.715053] ata1.00: device reported invalid CHS sector 0
[  252.715056] ata1.00: device reported invalid CHS sector 0
[  252.715071] ata1: EH complete

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-2-generic 2.6.35-2.3
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-2.3-generic 2.6.35-rc2
Uname: Linux 2.6.35-2-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  yelo3      1514 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf6adc000 irq 47'
   Mixer name	: 'Intel Cantiga HDMI'
   Components	: 'HDA:111d76b2,10280233,00100302 HDA:80862802,80860101,00100000'
   Controls      : 24
   Simple ctrls  : 15
CurrentDmesg:
 
Date: Sun Jun 13 11:57:55 2010
HibernationDevice: RESUME=/dev/sda6
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Dell Inc. Latitude E6400
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-2-generic root=UUID=c65f05e4-8a87-4923-89ff-929c3811ba3c ro quiet splash
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=it_IT.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.36
SourcePackage: linux
dmi.bios.date: 12/21/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A20
dmi.board.name: 0RX493
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA20:bd12/21/2009:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0RX493:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug maverick needs-upstream-testing regression-potential

-- 
disk usage for 10 seconds when plugging the AC [2.6.35-2-generic]
https://bugs.launchpad.net/bugs/593293
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