[Bug 1471530] Re: Acer Aspire 5315: Fan turns off when loading linux, resulting in system overheat and emergency shutdown

2015-08-02 Thread Danny Edel
Hello Christopher,

Good news first: Updating the BIOS to v1.45 actually *fixed the fan
issue.* It still stops briefly during kernel load, but resumes rotation
within a second. If I run stress, the temperature sensor acpitz-
virtual-0 updates within a few seconds to whatever coretemp-0 says,
rounded to 10 degrees and the fan adjusts its speed. Before and after
sleep/wakeup.

A big THANK YOU for taking the time to help me on this.


Now to the bad news: Updating the BIOS was no easy task at all and did not work 
as specified on the help page. (That's why my answer took so long)

But maybe some of the things I discovered can be added to the BIOSupdate
help page you linked, so other users dont't have to try and fail on the
same things again.

Note: This may be specific to the "InsydeFlash" system, but googling it
seems to suggest it is in use for many different computers.

* A windows 7 system repair disc created on one computer is not bound to
its hardware (after installing a DVD Burner in my desktop computer, the
generated disc booted on the laptop)

* A windows 7 64bit system repair disc *does not* run 32-bit applications. 
(InsydeFlash is a 32bit application, you get an error about a required 
subsystem not being available).
Note that you cannot choose whether to create 32bit or 64bit discs. A 64bit 
installation will always generate 64bit discs.

* After acquiring a windows 7 32bit installation and generating a rescue
disc from it, InsydeFlash still did not start. It was missing oledlg.dll
(and probably others, I'm assuming it would tell me which one it tries
to load next if I found out how to give oledlg it to it).

* Copying oledlg.dll from the windows\system32 directory onto the same
directory as the bios update file did *not work*, it still complains
about not finding the dll.

* Talking to a professional windows system administrator, I was told
they often use the Boot-CD from www.hirensbootcd.org, which contains a
minimal windows xp. Using this boot cd's XP, I was *finally* able to run
the BIOS update file and the fan works now.

So maybe you want to add this boot cd to the links on the BIOSupdate
page, to help future users who are running into similar problems.

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] Re: Acer Aspire 5315: Fan turns off when loading linux, resulting in system overheat and emergency shutdown

2015-07-16 Thread Danny Edel
Christopher, thank you for that information and the direct link, I've
been able to download the BIOS file.

Unfortunately, it's a windows-only download. I've extracted it with
archive manager, and the program inside is called "InsydeFlash.exe".
Going by the wiki article you linked, it seems the only option for me is
to use a Windows 7 repair disc, since I don't have a windows 8 system,
the BIOS update is not dos based, and flashrom's wiki says it won't work
on a laptop.

Just one question: Do you know if I can use a windows-7 repair disc
created on another computer to do the BIOS update? Because this laptop
is ubuntu-only, and right now my windows desktop PC does not have a CD
burner (I would get one for it if that could help me run the BIOS
update). The system-restore thing doesn't want to create an ISO,
otherwise I'd have moved it to the ubuntu laptop and burned it there
already.

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] Re: Acer Aspire 5315: Fan turns off when loading linux, resulting in system overheat and emergency shutdown

2015-07-05 Thread Danny Edel
Since the machine was cold, I was able to get the apport-collect run
before the wakeup. For completness, here's the output of dmesg after the
suspend/wakeup cycle:

** Attachment added: "DmesgAfterResume.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1471530/+attachment/4424916/+files/DmesgAfterResume.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] ProcInterrupts.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "ProcInterrupts.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424909/+files/ProcInterrupts.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] ProcCpuinfo.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "ProcCpuinfo.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424907/+files/ProcCpuinfo.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] UdevLog.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "UdevLog.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424914/+files/UdevLog.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] RfKill.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "RfKill.txt"
   https://bugs.launchpad.net/bugs/1471530/+attachment/4424912/+files/RfKill.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] ProcEnviron.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "ProcEnviron.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424908/+files/ProcEnviron.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] Lsusb.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "Lsusb.txt"
   https://bugs.launchpad.net/bugs/1471530/+attachment/4424906/+files/Lsusb.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] PulseList.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "PulseList.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424911/+files/PulseList.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
  system overheat and emergency shutdown

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[Bug 1471530] WifiSyslog.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "WifiSyslog.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424915/+files/WifiSyslog.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
  system overheat and emergency shutdown

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[Bug 1471530] UdevDb.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "UdevDb.txt"
   https://bugs.launchpad.net/bugs/1471530/+attachment/4424913/+files/UdevDb.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] ProcModules.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "ProcModules.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424910/+files/ProcModules.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] Re: Acer Aspire 5315: Fan turns off when loading linux, resulting in system overheat and emergency shutdown

2015-07-05 Thread Danny Edel
apport information

** Tags added: apport-collected

** Description changed:

  First off: I'm running Ubuntu 14.04.2 LTS "Trusty Tahr", yet ubuntu-bug
  linux started the bug report against linux-lts-utopic. I hope it knows
  what it's doing : )
  
  uname -a says "Linux aspire5315 3.16.0-41-generic #57~14.04.1-Ubuntu SMP
  Thu Jun 18 18:01:13 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux".
  
  Now to the problem.
  The fan on this particular Laptop seems to be either controlled by BIOS or - 
after the operating system signals somehow(tm) that it's capable of doing so - 
completely by software. There is (I assume it's implemented in the mainboard 
firmware) an emergency-power-off once the temperature exceeds a certain 
threshold, that's what causing the sudden poweroff after a while.
  
  Without any modifications, if you power it up (assuming its already warm
  from a previous session), the fan works correctly. If you load BIOS or
  GRUB, no problems. I could confirm temperature-dependent control works
  by loading a memtest86 and letting it run for a few hours; Fan speed
  kept going up and down, machine did not crash.
  
  Once you load a linux kernel (LiveCD exhibits the same behaviour), the
  fan stops completely and the system starts heating up. I was able to get
  through a complete ubuntu installation before poweroff by not using an
  internet connection and clicking defaults as fast as possible, starting
  with the machine cold.
  
  After I had ubuntu installed, thanks to much help at bug report #728733
  I have made the following discoveries.
  
  (1) Booting linux with "acpi=off" results in a kernel panic (I had to replace 
"quiet splash" with "verbose" to see that), but the fan stays on.
  (2) Booting linux with "acpi=off noapic" or "acpi=off nolapic" results in the 
fan working correctly, but the wifi card doen't work.
  (3) Booting linux normally, if you monitor 
/sys/class/thermal/thermal_zone0/temp it stays at 4 (40°C) even if 
lm-sensors' coretemp tells me that the processor is quite beyond that. [note: 
It is possible that the fan is just so quiet at the 40°C setting that I'm 
thinking its off]. Thermald also seems to depend on this temperature reading 
and therefore does not throttle the CPU.
  (4) Sending the machine to standby and waking it up again results in the 
thermal_zone0/temp getting updated regularly (it seems to follow coretemp with 
a few seconds lag) and the fan turning faster and slower. In this state, the 
system is perfectly usable.
  
  What I would like is to have the system in state 4 (fan turning and
  adjusting to temperature) without requiring human intervention, either
  by avoiding the fan stopping in the first place (preferred) or by re-
  starting it automated sometime in the boot process.
  
  > We also need:
  1) The release of Ubuntu you are using
  'lsb_release -rd' gives
  Description:  Ubuntu 14.04.2 LTS
  Release:  14.04
  
  2) The version of the package you are using
  'apt-cache policy linux-image-$(uname -r)' says I'm running
  3.16.0-41.57~14.04.1
  
  3) What you expected to happen
  System fan stays on after grub->linux handoff (or only stays off for a brief 
time period and comes back up automatically)
  
  4) What happened instead
  System fan stays off until I suspend and wakeup the machine, possibly 
resulting in heat emergency poweroff if I am too slow or forget to do it
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-41-generic 3.16.0-41.57~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-41.57~14.04.1-generic 3.16.7-ckt11
  Uname: Linux 3.16.0-41-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Jul  5 12:16:55 2015
  InstallationDate: Installed on 2001-01-02 (5296 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64+mac 
(20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)
+ --- 
+ ApportVersion: 2.14.1-0ubuntu3.11
+ Architecture: amd64
+ AudioDevicesInUse:
+  USERPID ACCESS COMMAND
+  /dev/snd/controlC0:  dannyedel   1385 F pulseaudio
+ CurrentDesktop: Unity
+ DistroRelease: Ubuntu 14.04
+ InstallationDate: Installed on 2001-01-02 (5297 days ago)
+ InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64+mac 
(20150218.1)
+ MachineType: Acer Aspire 5315
+ Package: linux (not installed)
+ ProcFB: 0 inteldrmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-41-generic 
root=UUID=36a742e5-ee21-43a3-b931-ce78a8734631 ro verbose
+ ProcVersionSignature: Ubuntu 3.16.0-41.57~14.04.1-generic 3.16.7-ckt11
+ RelatedPackageVersions:
+  linux-restricted-modules-3.16.0-41-generic N/A
+  linux-backports-modules-3.16.0-41-generic  N/A
+  linux-firmware 1.127.12
+ Tags:  trusty
+ Uname: Linux 3.16.0-41-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin plugde

[Bug 1471530] IwConfig.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "IwConfig.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424904/+files/IwConfig.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
  system overheat and emergency shutdown

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[Bug 1471530] CRDA.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "CRDA.txt"
   https://bugs.launchpad.net/bugs/1471530/+attachment/4424902/+files/CRDA.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] CurrentDmesg.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "CurrentDmesg.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424903/+files/CurrentDmesg.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
  system overheat and emergency shutdown

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[Bug 1471530] BootDmesg.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "BootDmesg.txt"
   
https://bugs.launchpad.net/bugs/1471530/+attachment/4424901/+files/BootDmesg.txt

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 1471530] Lspci.txt

2015-07-05 Thread Danny Edel
apport information

** Attachment added: "Lspci.txt"
   https://bugs.launchpad.net/bugs/1471530/+attachment/4424905/+files/Lspci.txt

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  Acer Aspire 5315: Fan turns off when loading linux, resulting in
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[Bug 728733] Re: fan only works when my acer 5315 is booted then stops

2015-07-05 Thread Danny Edel
Christopher: I have created the new ticket #1471530 and subscribed you.

I don't know how to correctly link the tickets (or whether I even should
do that), so it would be nice if you or someone else would handle that.

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Title:
  fan only works when my acer 5315 is booted then stops

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[Bug 1471530] [NEW] Acer Aspire 5315: Fan turns off when loading linux, resulting in system overheat and emergency shutdown

2015-07-05 Thread Danny Edel
Public bug reported:

First off: I'm running Ubuntu 14.04.2 LTS "Trusty Tahr", yet ubuntu-bug
linux started the bug report against linux-lts-utopic. I hope it knows
what it's doing : )

uname -a says "Linux aspire5315 3.16.0-41-generic #57~14.04.1-Ubuntu SMP
Thu Jun 18 18:01:13 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux".

Now to the problem.
The fan on this particular Laptop seems to be either controlled by BIOS or - 
after the operating system signals somehow(tm) that it's capable of doing so - 
completely by software. There is (I assume it's implemented in the mainboard 
firmware) an emergency-power-off once the temperature exceeds a certain 
threshold, that's what causing the sudden poweroff after a while.

Without any modifications, if you power it up (assuming its already warm
from a previous session), the fan works correctly. If you load BIOS or
GRUB, no problems. I could confirm temperature-dependent control works
by loading a memtest86 and letting it run for a few hours; Fan speed
kept going up and down, machine did not crash.

Once you load a linux kernel (LiveCD exhibits the same behaviour), the
fan stops completely and the system starts heating up. I was able to get
through a complete ubuntu installation before poweroff by not using an
internet connection and clicking defaults as fast as possible, starting
with the machine cold.

After I had ubuntu installed, thanks to much help at bug report #728733
I have made the following discoveries.

(1) Booting linux with "acpi=off" results in a kernel panic (I had to replace 
"quiet splash" with "verbose" to see that), but the fan stays on.
(2) Booting linux with "acpi=off noapic" or "acpi=off nolapic" results in the 
fan working correctly, but the wifi card doen't work.
(3) Booting linux normally, if you monitor 
/sys/class/thermal/thermal_zone0/temp it stays at 4 (40°C) even if 
lm-sensors' coretemp tells me that the processor is quite beyond that. [note: 
It is possible that the fan is just so quiet at the 40°C setting that I'm 
thinking its off]. Thermald also seems to depend on this temperature reading 
and therefore does not throttle the CPU.
(4) Sending the machine to standby and waking it up again results in the 
thermal_zone0/temp getting updated regularly (it seems to follow coretemp with 
a few seconds lag) and the fan turning faster and slower. In this state, the 
system is perfectly usable.

What I would like is to have the system in state 4 (fan turning and
adjusting to temperature) without requiring human intervention, either
by avoiding the fan stopping in the first place (preferred) or by re-
starting it automated sometime in the boot process.

> We also need:
1) The release of Ubuntu you are using
'lsb_release -rd' gives
Description:Ubuntu 14.04.2 LTS
Release:14.04

2) The version of the package you are using
'apt-cache policy linux-image-$(uname -r)' says I'm running
3.16.0-41.57~14.04.1

3) What you expected to happen
System fan stays on after grub->linux handoff (or only stays off for a brief 
time period and comes back up automatically)

4) What happened instead
System fan stays off until I suspend and wakeup the machine, possibly resulting 
in heat emergency poweroff if I am too slow or forget to do it

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-41-generic 3.16.0-41.57~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-41.57~14.04.1-generic 3.16.7-ckt11
Uname: Linux 3.16.0-41-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Jul  5 12:16:55 2015
InstallationDate: Installed on 2001-01-02 (5296 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64+mac 
(20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-lts-utopic (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug trusty

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Title:
  Acer Aspire 5315: Fan turns off when loading linux, resulting in
  system overheat and emergency shutdown

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[Bug 728733] Lsusb.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "Lsusb.txt"
   https://bugs.launchpad.net/bugs/728733/+attachment/4423504/+files/Lsusb.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] UdevDb.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "UdevDb.txt"
   https://bugs.launchpad.net/bugs/728733/+attachment/4423511/+files/UdevDb.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] HookError_source_linux.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "HookError_source_linux.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423501/+files/HookError_source_linux.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] ProcModules.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "ProcModules.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423508/+files/ProcModules.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] RfKill.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "RfKill.txt"
   https://bugs.launchpad.net/bugs/728733/+attachment/4423510/+files/RfKill.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] Lspci.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "Lspci.txt"
   https://bugs.launchpad.net/bugs/728733/+attachment/4423503/+files/Lspci.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] UdevLog.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "UdevLog.txt"
   https://bugs.launchpad.net/bugs/728733/+attachment/4423512/+files/UdevLog.txt

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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[Bug 728733] ProcEnviron.txt

2015-07-02 Thread Danny Edel
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** Attachment added: "ProcEnviron.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423506/+files/ProcEnviron.txt

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[Bug 728733] ProcInterrupts.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "ProcInterrupts.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423507/+files/ProcInterrupts.txt

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[Bug 728733] IwConfig.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "IwConfig.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423502/+files/IwConfig.txt

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[Bug 728733] PulseList.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "PulseList.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423509/+files/PulseList.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] ProcCpuinfo.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "ProcCpuinfo.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423505/+files/ProcCpuinfo.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] CRDA.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "CRDA.txt"
   https://bugs.launchpad.net/bugs/728733/+attachment/4423500/+files/CRDA.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] AlsaInfo.txt

2015-07-02 Thread Danny Edel
apport information

** Attachment added: "AlsaInfo.txt"
   
https://bugs.launchpad.net/bugs/728733/+attachment/4423499/+files/AlsaInfo.txt

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] apport information

2015-07-02 Thread Danny Edel
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC0:  dannyedel   1550 F pulseaudio
CurrentDesktop: Unity
CurrentDmesg:
 Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg 
-'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
 dmesg: write failed: Broken pipe
DistroRelease: Ubuntu 14.04
InstallationDate: Installed on 2001-01-02 (5294 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64+mac 
(20150218.1)
MachineType: Acer Aspire 5315
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-41-generic 
root=UUID=36a742e5-ee21-43a3-b931-ce78a8734631 ro verbose
ProcVersionSignature: Ubuntu 3.16.0-41.57~14.04.1-generic 3.16.7-ckt11
Tags:  trusty
Uname: Linux 3.16.0-41-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: sudo
WifiSyslog:
 
_MarkForUpload: True
dmi.bios.date: 09/27/2007
dmi.bios.vendor: Acer
dmi.bios.version: V1.18
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Acadia
dmi.board.vendor: Acer
dmi.board.version: V1.18
dmi.chassis.type: 1
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.18
dmi.modalias: 
dmi:bvnAcer:bvrV1.18:bd09/27/2007:svnAcer:pnAspire5315:pvrV1.18:rvnAcer:rnAcadia:rvrV1.18:cvnAcer:ct1:cvrV1.18:
dmi.product.name: Aspire 5315
dmi.product.version: V1.18
dmi.sys.vendor: Acer

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[Bug 728733] Re: fan only works when my acer 5315 is booted then stops

2015-07-02 Thread Danny Edel
I've got some new observations on this that might help narrow down the
problem.

(1) thermald
I've got thermald installed, and the default configuration seems to work 
*after* the standby/wakeup cycle. Before the machine goes into standby, the 
file cat /sys/class/thermal/thermal_zone0/temp constantly reads 4 (40 °C), 
even when the processor is already way beyond 70°C (as monitored by lm-sensors' 
coretemp) so thermald doesn't trigger the CPU slowdown.

After the standby/wakeup cycle, this temperature reading follows the
coretemp, and thermald acts correctly.

It seems that whatever the secret windows sauce does, also happens after
a wakeup from standby. So maybe there's something I can do to automate
this behaviour during startup of the machine, not requiring human
intervention to enter "stable operation zone".

(2) apport-collect
When I run apport-collect and ignore its warning that submitting to the current 
bug is not recommended, the window it gives me lists as the first line 
"Package: linux (not installed)". I think it will not have collected all the 
info, but I'll send whatever it picks up and set the bug status to confirmed; 
maybe someone can help me operate it correctly or tell me to spawn a new bug 
with the apport-bug.

** Tags added: apport-collected trusty

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  fan only works when my acer 5315 is booted then stops

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[Bug 728733] Re: fan only works when my acer 5315 is booted then stops

2015-06-29 Thread Danny Edel
Regarding thermald: I have installed it and if I understand the manual
correctly, it can only act with fans that are already registered in
sysfs as cooling devices.

If I go to /sys/class/thermal I have two cooling_devices (the CPU and
the LCD, no fans here). The CPU's cur_state affects throttling, while
the LCD's controls brightness. If I write 9 (90 °C) to
thermal_zone0's emul_temp, the system becomes really slow (throttling at
work), but the fan does not react (I assume it's controlled purely by
BIOS because of the suspend/wake-up cycle).

So I believe the real issue here is that linux does not see the fan
control and leaves the control to the BIOS (which is fine for me) after
a wakeup, but still it stops the fan while starting the kernel (which
sounds like a bug to me), apparently deactivating BIOS' own fancontrol
routine. (Maybe it accidentally writes to the same register as Acer's
fancontrol application, signaling the BIOS that fancontrol is now
running, but this is pure speculation.)

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[Bug 728733] Re: fan only works when my acer 5315 is booted then stops

2015-06-29 Thread Danny Edel
colin-king: I have not yet heard of thermald, will try it out after this
comment.

First I have new (and to me, confusing) information.

To run apport-collect, i first booted it *without* "acpi=off nolapic" so
it has wi-fi (but no fan). After it finished booting, I put it to
suspend to let it cool down a bit (it already passed 70°C after loading
X). When I woke it up, the fan worked!

Two reboots confirm this behaviour; If you load it up to X without the
fan, press Power button (to get the menu which allows you to suspend),
suspend it, and then wake it up, the fan starts and correctly scales
with temperature.

A stress --cpu 3 gets it to 69-70 °C, and the fan gets really loud but
it keeps the cpu at that temperature. If you CTRL-C the stress, it cools
down to around 58°C within one second or so and then the fan slows down.

-

Now to the apport-collect I was asked to run: It told me that it would
be better to spawn a new bug report with apport-bug (maybe marking it as
duplicate) instead of sending data to this one. Should I listen to its
recommendation?

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[Bug 728733] Re: fan only works when my acer 5315 is booted then stops

2015-06-29 Thread Danny Edel
Hello everyone,

a friend brought me an Aspire 5315 with an Ubuntu installed, which shows
the exact same symptoms as the original poster ("It just turns off after
a while and gets really hot, but the fan doesnt work"), so I can confirm
this bug still exists in Ubuntu 14.04 LTS.

Since the bug has not been closed I post to this bug, I hope that's
allright.

I have spent a lot of time hitting the words "aspire 5315 fan linux"
into various search engines and have come up with the following
information, which seem accurate:

(1) The Fan on this particular laptop is normally controlled by a
(windows only) software called e-fan control.

(2) If the temperature rises too high, the mainboard/BIOS turns off
power to save the system from heat death (this works even without the
fan-control software running).

(3) A BIOS Update fixes this for some users, although BIOS updates can
brick the system, so I have not tried one yet.

(4) There are other bug tickets on Launchpad, but they have been closed invalid:
#182929 #500090 #618209

(5) The bug ticket #579665 has been closed as fix released as of kernel 
3.2.0-2-486.
Since the problem still occurs, this may be a regression. If someone can tell 
me how I should install that kernel version, I will try to verify that.


Now towards my own testing:

1. When you turn on the computer (BIOS splash screen or pressing buttons in 
BIOS), the fan starts running.
2. It stays on while you're in GRUB.
3. If you load memtest86 from grub, the fan stays on and turns itself up and 
down, the system ran multiple passes of memtest without issues.
4. While GRUB loads the linux kernel into memory, the fan stays on. (this can 
be most easily tested by booting from usb, since it only loads with usb1.1 
speed and thus takes a lng time)
5. When the linux kernel takes over, the fan turns off. (This is what makes me 
believe it is a linux-specific issue, while the board/BIOS might be allright). 
The system will continue working for a while, until it turns off (Mainboard's 
safety switch)

I was able to get through an ubuntu 14.04.2 amd64 installtion by not
using an internet connection and clicking the default settings as fast
as possible to get to the reboot before it went too hot.

With the system installed, I have done the following experiments:

If you boot with the parameter "acpi=off" the linux kernel panics within
1 second or so, but at least the fan stays on : )

If you boot with the parameters "acpi=off nolapic" or "acpi=off noapic"
the system correctly boots up, fan works (!) and starts getting faster
when a "stress --cpu 3" process gets the coretemp to 69°C.


Only downside of "acpi=off nolapic" is that wifi doesn't work at all
when you boot the laptop like that (It works fine booted normally, so I
suppose the card is allright)

It would be really nice if the computer could run its fan *and* the wifi
card at the same time. If you can tell me anything I can try to help
diagnose the problem, I'm happy to try it out. (although I'd like to
avoid things that can brick it if it turns off at a bad time, like the
bios update). Since the laptop has no user data on it yet, re-installing
is no problem either.

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

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