[Acer Aspire One A110] fan control issues

[DavB]

At an interval of 10 seconds, the FAN works a little (<1 second) and stops.
The checking function in acerhdf.c seems not to be the right one. I made some tests and using 0x20 instead of 0x21 works well for bios v0.3310
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: david 1452 F.... pulseaudio
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0x78540000 irq 16'
   Mixer name : 'Realtek ALC268'
   Components : 'HDA:10ec0268,1025015b,00100101'
   Controls : 9
   Simple ctrls : 6
DistroRelease: Ubuntu 10.04
HibernationDevice: RESUME=UUID=07920b33-becf-4466-8c34-d161865143ec
MachineType: Acer AOA110
Package: linux (not installed)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=c52c3b5a-4ca2-416d-b77c-11588ae90af5 ro quiet splash pciehp.pciehp_force=1
ProcEnviron:
 PATH=(custom, user)
 LANG=fr_FR.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Regression: No
RelatedPackageVersions: linux-firmware 1.34
Reproducible: Yes
Tags: lucid ubuntu-une needs-upstream-testing
Uname: Linux 2.6.32-22-generic i686
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape vboxusers video
WifiSyslog:
 May 25 18:06:52 One kernel: [ 1134.242023] type=1505 audit(1274803612.292:15): operation="profile_replace" pid=5614 name="/usr/lib/cups/backend/cups-pdf"
 May 25 18:06:52 One kernel: [ 1134.243499] type=1505 audit(1274803612.292:16): operation="profile_replace" pid=5614 name="/usr/sbin/cupsd"
 May 25 18:07:40 One kernel: [ 1182.159187] type=1505 audit(1274803660.209:17): operation="profile_replace" pid=5709 name="/usr/bin/evince"
 May 25 18:07:40 One kernel: [ 1182.162019] type=1505 audit(1274803660.213:18): operation="profile_replace" pid=5709 name="/usr/bin/evince-previewer"
 May 25 18:07:40 One kernel: [ 1182.163866] type=1505 audit(1274803660.213:19): operation="profile_replace" pid=5709 name="/usr/bin/evince-thumbnailer"
dmi.bios.date: 10/06/2008
dmi.bios.vendor: Acer
dmi.bios.version: v0.3310
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAcer:bvrv0.3310:bd10/06/2008:svnAcer:pnAOA110:pvr1:rvnAcer:rn:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: AOA110
dmi.product.version: 1
dmi.sys.vendor: Acer

[Jeremy Foshee (jeremyfoshee)]

Hi DavB,

This bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? Can you try with the latest development release of Ubuntu? ISO CD images are available from http://cdimage.ubuntu.com/releases/ .

If it remains an issue, could you run the following command from a Terminal (Applications->Accessories->Terminal). It will automatically gather and attach updated debug information to this report.

apport-collect -p linux 556433

Also, if you could test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text. Please let us know your results.

Thanks in advance.

    [This is an automated message. Apologies if it has reached you inappropriately; please just reply to this message indicating so.]

[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

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[DavB (david-vincent)]

$ modprobe acerhdf kernelmode=1 verbose=1 fanon=60000 fanoff=55000
$ tail -f /var/log/kern.log
May 25 20:20:52 One kernel: [ 6311.642179] acerhdf: Acer Aspire One Fan driver, v.0.5.20
May 25 20:20:52 One kernel: [ 6311.642199] acerhdf: BIOS info: Acer v0.3310, product: AOA110
May 25 20:20:52 One kernel: [ 6311.651745] acerhdf: interval changed to: 10
May 25 20:20:52 One kernel: [ 6311.655752] acerhdf: temp 51000
May 25 20:20:52 One kernel: [ 6311.662913] acerhdf: fan OFF
May 25 20:21:02 One kernel: [ 6321.665672] acerhdf: temp 52000
May 25 20:21:12 One kernel: [ 6331.665586] acerhdf: temp 52000
May 25 20:21:22 One kernel: [ 6341.664551] acerhdf: temp 52000
May 25 20:21:32 One kernel: [ 6351.668283] acerhdf: temp 52000
May 25 20:21:42 One kernel: [ 6361.668864] acerhdf: temp 52000
May 25 20:21:52 One kernel: [ 6371.668548] acerhdf: temp 53000
May 25 20:22:02 One kernel: [ 6381.669599] acerhdf: temp 52000
May 25 20:22:12 One kernel: [ 6391.670657] acerhdf: temp 58000
May 25 20:22:22 One kernel: [ 6401.668645] acerhdf: temp 54000
May 25 20:22:32 One kernel: [ 6411.669489] acerhdf: temp 57000
May 25 20:22:42 One kernel: [ 6421.668599] acerhdf: temp 55000
May 25 20:22:52 One kernel: [ 6431.669558] acerhdf: temp 59000
May 25 20:23:02 One kernel: [ 6441.670597] acerhdf: temp 59000
May 25 20:23:12 One kernel: [ 6451.669809] acerhdf: temp 60000
May 25 20:23:12 One kernel: [ 6451.671607] acerhdf: fan ON
May 25 20:23:22 One kernel: [ 6461.673704] acerhdf: temp 60000
May 25 20:23:32 One kernel: [ 6471.677624] acerhdf: temp 61000
May 25 20:23:42 One kernel: [ 6481.677345] acerhdf: temp 59000
May 25 20:23:52 One kernel: [ 6491.676855] acerhdf: temp 55000
May 25 20:24:02 One kernel: [ 6501.677664] acerhdf: temp 57000
May 25 20:24:12 One kernel: [ 6511.676645] acerhdf: temp 54000
May 25 20:24:12 One kernel: [ 6511.677682] acerhdf: fan OFF
May 25 20:24:22 One kernel: [ 6521.681611] acerhdf: temp 54000
May 25 20:24:32 One kernel: [ 6531.681530] acerhdf: temp 54000
May 25 20:24:42 One kernel: [ 6541.680709] acerhdf: temp 54000
May 25 20:24:52 One kernel: [ 6551.680953] acerhdf: temp 54000

[DavB (david-vincent)]

It seems to work now with ubuntu kernel 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:27:30 UTC 2010 i686 GNU/Linux

[DavB (david-vincent)]

Ok, at low temperature (32-35°C) the bug is there.
May 27 20:50:42 One kernel: [ 5137.648581] acerhdf: temp 32000
May 27 20:50:42 One kernel: [ 5137.648935] acerhdf: fan OFF
May 27 20:50:52 One kernel: [ 5147.652649] acerhdf: temp 32000
May 27 20:50:52 One kernel: [ 5147.653310] acerhdf: fan OFF
May 27 20:51:02 One kernel: [ 5157.656358] acerhdf: temp 33000
May 27 20:51:02 One kernel: [ 5157.656679] acerhdf: fan OFF
May 27 20:51:12 One kernel: [ 5167.660302] acerhdf: temp 38000
May 27 20:51:12 One kernel: [ 5167.661016] acerhdf: fan OFF
May 27 20:51:22 One kernel: [ 5177.664367] acerhdf: temp 41000
May 27 20:51:22 One kernel: [ 5177.664644] acerhdf: fan OFF
May 27 20:51:32 One kernel: [ 5187.669023] acerhdf: temp 41000
May 27 20:51:32 One kernel: [ 5187.669421] acerhdf: fan OFF
May 27 20:51:42 One kernel: [ 5197.672563] acerhdf: temp 36000
May 27 20:51:42 One kernel: [ 5197.674065] acerhdf: fan OFF
May 27 20:51:52 One kernel: [ 5207.676621] acerhdf: temp 36000
May 27 20:51:52 One kernel: [ 5207.677027] acerhdf: fan OFF
May 27 20:52:02 One kernel: [ 5217.680449] acerhdf: temp 36000
May 27 20:52:02 One kernel: [ 5217.680838] acerhdf: fan OFF
May 27 20:52:12 One kernel: [ 5227.684656] acerhdf: temp 36000
May 27 20:52:12 One kernel: [ 5227.685058] acerhdf: fan OFF

At each message block (temp + fan OFF) i can ear the fan running and then stopping.

[Stefan Bader (smb)]

I today tried to verify this on my Acer Aspire One (A110, BIOS version 3310) with kernel 2.6.32-23.37 and could not see any of the issues with it here. Even on lower temperatures. As there do not seem to be any other people affected by this I can only assume this is a very specific and very special hardware issue. And as such it cannot be a change that can be made on the whole.