Same problem here; Ubuntu 10.10 updated today, EliteBook 8740w
Workaround: echo disable /sys/firmware/acpi/interrupts/gpe01
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https://bugs.launchpad.net/bugs/577702
Title:
ACPI errors
Same problem here on my iMac 27 i7 and Ubuntu 10.10.
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https://bugs.launchpad.net/bugs/577702
Title:
ACPI errors at boot (HP 8540w Elite Workstation)
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On a EliteBook 8540w with 2.6.33 I did
echo disable /sys/firmware/acpi/interrupts/gpe01 in rc.local
but it wasn't executed (80% CPU while and after booting,execution bit set).
Interestingly the CPU stopped after suspending with
SUSPEND_MODULES=xhci xhci_hcd in /etc/pm/config.d after doing
Same problem: kapcid 100% after resume.
$ uname -a
Linux michaelt-laptop 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 UTC
2010 x86_64 GNU/Linux
$ cat /etc/issue
Ubuntu 10.04 LTS \n \l
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ACPI errors at boot (HP 8540w Elite Workstation)
https://bugs.launchpad.net/bugs/577702
You
Same here
HP EliteBook 8540p
BIOS 68CVD Ver. F.07.
kacpid 100% cpu after resume.
No problem with kernel 2.6.35-999.201007011005
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ACPI errors at boot (HP 8540w Elite Workstation)
https://bugs.launchpad.net/bugs/577702
You received this bug notification because you are a member of Ubuntu
Bugs,
Hello everyone many people have the same problem with hp laptop (not only the
HP 8540w). i have a hewlet packard bell easynote sb 87 and i have the same
problem (kcpid 100% after suspend and only one core). This problem happens in
windows seven too (for me)... the newest kernel in ppa didnt fix
I confirm that the problem that was fixed by kernel
2.6.33-02063303-generic does happen again using 2.6.34-020634-generic
(downloaded from the link provided above). This is a regression.
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ACPI errors at boot (HP 8540w Elite Workstation)
https://bugs.launchpad.net/bugs/577702
You received this
Aside this regression (kacpid taking ~100% cpu), there is another change
in 2.6.34 that null-ifies a previous workaround: the xhci (USB 3.0
module) that does not support suspend/resume was renamed xhci_hcd in
2.6.34. Adapting accordingly the content of the files /etc/pm/config and
2.6.33-02063304-generic (latest 2.6.33 from the Ubuntu kernel team). I
observe the same behavior as @pedroobv
- after cold boot: kapcid at ~100% cpu.
- after resume: no pb.
Will try those 2 scenarios with an earlier 2.6.33 the latest 2.6.34...
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ACPI errors at boot (HP 8540w Elite
2.6.34-020634rc7-generic (latest 2.6.34 from the Ubuntu kernel team). I
observe:
- after cold boot: kapcid at ~100% cpu.
- after resume: kapcid at ~100% cpu.
Will try those 2 scenarios with an earlier 2.6.33...
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ACPI errors at boot (HP 8540w Elite Workstation)
2.6.33-02063303-generic:
- after cold boot: kapcid at ~100% cpu.
- after resume: no pb
This might be due to the rmmod+insmod sequence forced by the PM
configuration described above. I will blacklist this module test again
with the above kernels.
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ACPI errors at boot (HP 8540w Elite
black-listing the xhci* modules does not fix the problem = This issue
is not the same as
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/522998
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ACPI errors at boot (HP 8540w Elite Workstation)
https://bugs.launchpad.net/bugs/577702
You received this bug notification because you are a
2.6.32-22-preempt:
- after cold boot: kapcid at ~100% cpu.
- after resume: no pb
As expected, this -preempt kernel also has the exact same ACPI/HPET
problem as the -generic one.
= 2.6.33* remain the safest kernel to use on this HP EliteBook 8540w
Mobile Workstation laptop.
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ACPI errors at
Amending #16: as indicated by #10, disabling gpe01 indeed brings kapcid
down to a normal CPU usage, even if gpe01 is still reported as enabled.
So the work-around from korg works also in my case.
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ACPI errors at boot (HP 8540w Elite Workstation)
https://bugs.launchpad.net/bugs/577702
You
I have a different experience with the kacpid bug also in a HP 8540w with BIOS
ver. F.07. I've tested it in Ubuntu 10.04 with the default kernel and also
against the main-line kernels 2.6.33.3-lucid, 2.6.33.4-lucid and 2.6.32-rc7. In
all this cases kacpid is taking ~100% CPU (only 1 thread of 1
Hi all,
I've the same kacpid problem on my new HP EliteBook 8540p. Same BIOS as
reported by FiX.
When I boot the pc kacpid is not eating my CPU. It seems to start after I
suspend or hibernate the pc.
Not sure about the solution of setting to on the FAN always on while on AC
power in the BIOS.
Hi FiX,
If you could also please 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
Hi
How is this done?
I mean how can I set FAN always on while on AC power in the BIOS ?
Thanks a lot.
Kind regards.
By the way, didn't you encounter the problem that you couldn't adjust the
display brightness using the fn and f9/f10 buttons?
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ACPI errors at boot (HP 8540w Elite
Well. Press f10 at boot. Go in configuration. Check this fan option. Save.
Reboot.
Le 12 mai 2010 17:05, Eric Baumann eric.mannb...@gmail.com a écrit :
Hi
How is this done?
I mean how can I set FAN always on while on AC power in the BIOS ?
Thanks a lot.
Kind regards.
By the way, didn't you
** Attachment added: AlsaDevices.txt
http://launchpadlibrarian.net/48103236/AlsaDevices.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/48103237/BootDmesg.txt
** Attachment added: Card0.Amixer.values.txt
Tested against main-line kernels:
2.6.33-02063303
2.6.34-020634rc6
In both cases, the ACPI error message at boot is no longer here. But:
1) The pcie error messages remain:
[ 179.311138] pcieport :00:03.0: AER: Corrected error received: id=0018
[ 179.311147] pcieport :00:03.0: PCIe
Test without the nvidia proprietary driver (use nouveau):
1) kacpid still at ~100% CPU
2) suspend still does not work (same error message)
3) PCI-Express error message format changed:
[ 19.902815] pcieport :00:03.0: can't find device of ID0018
[ 19.902821] pcieport :00:03.0: AER:
The system not suspending is another problem (xhci module) already
covered by:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/522263 (specific to HP
hardware)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/522998 (generic)
problem left:
1) kacpid at 100% cpu
2) PCI-Expresse error
The root cause is a broken ACPI BIOS. I fixed both remaining problems by
settings FAN always on while one AC power in the BIOS (which is the
default value).
NOTE: This is the exact inverse settings compared to the value required
to make the HP 8530w EliteBook Mobile Workstation work flawlessly.
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