More painful when it comes up during installation process.
IDK about when a true fix to code might happen but...
a NOPCC option would nice for initial installations where newer users
are not yet building their own kernels.
Better yet to help true noobs and expedite things everyone wanting to do
I am on Kubuntu, with a hybrid Intel-NVIDIA card.
I have upgraded recently from 14.04->14.10->15.04, all in immediate
succession. Upgrade process went without a problem and I was able to use
the computer for a few days. Then once this "ACPI PCC probe failed"
message appeared, but the boot process
I've also tried to login to root at this "Welcome to emergency
mode." prompt and purged all nvidia drivers and rebooted twice. No
use, still exactly the same message...
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I use NVIDIA GT610 and binary driver 346.59 updates, works fine until
after few hours i get bugs all over the screen, AOC and i have to turn
off the computer, X org and 340 driver are not good for HD video.
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I'm an idiot. It was a flipping HDMI cable that went bad. Very strange it
gave me all kinds of mother board errors and unbootable Ubuntu install.
Stranger yet that USB stick would boot fine and I could chroot into my
Ubuntu LVM and run everything. Now boots slow from I'm sure from all the
fixing I
One drive was a little too warm but added fan and drive checks out ok with
no actual failures just past temperature warnings. I still get the ACPI
probe error but for once made it to failsafe desktop.
On Mon, Aug 3, 2015, 14:41 ludo33200 1430...@bugs.launchpad.net wrote:
So, anyone else tried
Rebooted my main pc, first time in long time and got this error. Unable
to reach desktop using either Nvidia, Nouveau and even pulling GPU and
using Intel off mb. Not sure if related but getting sysctl errors also
tried reinstalling systemd and even switching to upstart but both fail
to reach
Colin seems to be right.
I removed Ubuntu and tried other distros and the error was there again and
again.
So, I bought another HD. The message is still there, but there is no more error
and Ubuntu works fine now. Finally, after almost one year fighting this
catastrophic and annoying error.
So, anyone else tried changing possibly broken HD?
YES this anoyong bug comes with hard driver problems
I first thought my hd was going wrong and changed it
Then the problem still occured, i think i've got something wrong with sata
wires or controller
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Bug also affects me
This bug comes with a SATA hard drive or wire problem that may be connected ...
or not
My pc sometimes refuses to start saying it doesn't find any hard drive.
As i disconnect and then reconnect the SATA wires, pc starts (i see grub)
but now i cant login with Ubuntu because of
The error message is turned into a pr_debug debug message with this
commit:
commit efd756daf4ddae3cec2404c4e0b680b7cfdd6a45
Author: Rafael J. Wysocki rafael.j.wyso...@intel.com
Date: Thu Feb 5 00:40:08 2015 +0100
ACPI / PCC: Use pr_debug() for debug messages in pcc_init()
I see the same message at the beginning of booting of Ubuntu Trusty with
the linux kernel 3.19.0-21 and don't see it when boot Ubuntu with the
kernel 3.13.0-55.
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I have the same issue with an Intel video card on a Dell Inspiron 15
3000
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https://bugs.launchpad.net/bugs/1430625
Title:
ACPI PCC probe failed.
To manage notifications about this bug
I have not problem with [0]kernel 4.1.0-rc4
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/
Thanks,
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Title:
I have the same issue with Ubuntu 15.04 after last kernel update, I saw some
people talking about nvidia driver issue but I have ATI 5045HD
Can someone help me for fix this issue?
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Mobo gigabyte GA-965GM-S2 (AHCI 1.07 [08.04.2006])
GC Nvidia GTX 460 GM
Ubuntu 15.04 Kernel 3.19.0.16
Booting on AHCI
== Boots fine if I use open source Nouveau driver
== Boots fine but mentionning [ 1.072944] ACPI PCC probe failed if
I use the NVIDIA 346.59 driver.
If I go back to Nouveau
I'm having the same issue on Ubuntu 15.04
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Linux SAGITTER 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
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I have the same issue as well. Installed 15.04 twice. At second attempt
system booted to desktop but after upgrading everything and a reboot I
couldn't boot to Ubuntu anymore.
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For Joseph
3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:01 UTC 2015 i686 i686 i686
GNU/Linux
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Title:
ACPI PCC probe failed.
To manage
Thanks, Colin
I reinstalled Ubuntu and had the same problem. Now I reinstalled it for
the third time, without encrypting the whole system. Only encrypted
/home and it is working for the moment. Could it be related to the
encryption process?
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This is happening to me too. I have a fresh 15.04 install. After a few
successful reboot, I get that message every time and can't login anymore .
All the alternatives are useless. My installation is encrypted. The sequence
is: 1)turn on; 2) Ubuntu 15.04 screen, asking for password; 3) correct
Looking at the driver and where it is occurring suggests to me that the
driver is not the root cause, it is probably somewhere else. The
message is the last one that you see and hence it is easy to mistake
that at the reason for failure.
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PCC (Platform Communication Channel) is a recent ACPI 5.0 addition. The
driver does not find a PCC communications mailbox and just exits with
that error message. It is not something to worry about, most machines
don't have an ACPI PCCT table and they don't use this mechanism.
References:
ACPI
Colin,
How can it be something not to worry about if that's preventing me to use the
computer?
Machine displays error and hangs, will not proceed any further with boot.
Pretty catastrophic, suggests that message not entirely harmless
Thanks.
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** Attachment added: screen pictures
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1430625/+attachment/4387320/+files/tmp_8290-20150429_093711-608224757.jpg
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** Tags added: kernel-da-key
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Title:
ACPI PCC probe failed.
To manage notifications about this bug go to:
Paolo, can you post the output of uname -a ?
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Title:
ACPI PCC probe failed.
To manage notifications about this bug go to:
This showed up on boot today after I upgraded from Ubuntu 14.04 to 15.04
and after fresh install Ubuntu 15.05 it showed up again
This message didn't exist for me prior to this.
Details:
- Asus FJ3C
- linux-headers-3.19.0-15-generic
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I built a Vivid test kernel with a cherry-pick of efd756da. The test
kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1430625/
Can folks affected by this bug test this kernel and see if it resolves
the bug?
Thanks in advance!
Tried to test this kernel.
No effect.
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Sorry, every time I try to install NVIDIA drivers, via package manager
or NVIDIA download on 13.10, 14.04, 14.10, 15.04 I get login trouble. I
don't know how to install the kernel, advise.
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I got around my NVIDIA problems here after a fresh install of 14.10:
http://ubuntuforums.org/showthread.php?t=2263316 see additional steps at the end
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I also had this error on ASUS Z87-Pro motherboard when upgrading 14.10
to 15.04. Unity was unable to login using any kernel. Using a liveusb I
downloaded the lastest NVIDIA driver for my EVGA GeForce 960 GTX from
NVIDIA. I installed it from a root shell and I was able to log in after
restart.
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I built a Vivid test kernel with a cherry-pick of efd756da. The test
kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1430625/
Can folks affected by this bug test this kernel and see if it resolves
the bug?
Thanks in advance!
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This showed up on boot today after I upgraded from Lubuntu 14.04 to 15.04.
14.04 was only on my system for 2 days and thus fresh with minimal packages
installed.
This message didn't exist for me prior to this.
Details:
- Asus M5A78L-M mobo
- 3.19.0-15
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Looks fixed upstream in commit efd756daf4ddae3cec2404c4e0b680b7cfdd6a45.
This downgrades the message urgency from error to debug level.
I wouldn't expect this to show in kernels earlier than 3.19 because this
driver was added in that kernel version, see
86c22f8c9a3b71d42d38bfcd80372de72f573713
** Bug watch added: Linux Kernel Bug Tracker #92551
http://bugzilla.kernel.org/show_bug.cgi?id=92551
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=92551
Importance: Unknown
Status: Unknown
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Does the 'ACPI PCC probe failed' also appear in kernels earlier in 3.19?
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Title:
ACPI PCC probe failed.
To manage notifications about this bug
** Changed in: linux (Ubuntu)
Importance: Undecided = Low
** Also affects: hundredpapercuts
Importance: Undecided
Status: New
** Changed in: hundredpapercuts
Status: New = Confirmed
** Changed in: hundredpapercuts
Importance: Undecided = Low
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