Bug 466365

Summary: very slow system since kernel 2.6.26.5-28.fc8 (hda-intel: Invalid position buffer, using LPIB read method instead.)
Product: [Fedora] Fedora Reporter: Erik del Toro Streb <erik>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED WORKSFORME QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: medium    
Version: 8CC: kernel-maint
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OS: Linux   
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Last Closed: 2008-10-26 07:31:49 UTC Type: ---
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/sbin/lspci -vvv none

Description Erik del Toro Streb 2008-10-09 21:16:09 UTC 
Description of problem:
Since kernel 2.6.26.5-28.fc8 my system is very slow. I.e. windowmovement seems to lag. And if I start glxgears, it nearly looks like a system freeze, but some presses of Ctrl+c and waiting some minutes kills glxgears and the system works again (but still slow).

At every start of the computer I get the suspicious error
  hda-intel: Invalid position buffer, using LPIB read method instead.
from the kernel.
And the message (older kernels)
  ata1: softreset failed (device not ready)
changes to
  ata3: softreset failed (device not ready)
but I don’t know, if this has something to do with the problem.

Version-Release number of selected component (if applicable):
2.6.26.5-28.fc8

How reproducible:
Restart the system, log in and move windows on the sceen (very slow and hanging/lagging).

Steps to Reproduce:
1. start computer
2. move windows around or start glxgears (for extreme slow performance)

Actual results:
System is very slow.

Expected results:
System should be at normal speed.

Additional info:
My temporary solution is to use an older kernel (2.6.26.3-14.fc8).
Comment 1 Erik del Toro Streb 2008-10-09 22:01:40 UTC 
Created attachment 319953 [details]
/sbin/lspci -vvv

This is the output of
  /sbin/lspci -vvv
on my system (output was created using the older, functioning kernel).
Comment 2 Erik del Toro Streb 2008-10-09 22:03:11 UTC 
I forgot my system.

Mainboard: manufacturer: Gigabyte
           model-number: GA-MA69GM-S2H
           chipset:      AMD 690G

CPU: AMD Athlon(tm) X2 Dual Core Processor BE-2400

Graphics: Onboard ATI Technologies Inc ATI Radeon Xpress 1200 Series rev 0

Sound: Onboard Audio device: ATI Technologies Inc Radeon X1200 Series Audio Controller

More info in the attached lspci-file, that was created with
  /sbin/lspci -vvv
Comment 3 Erik del Toro Streb 2008-10-26 07:31:49 UTC 
Now with Kernel  2.6.26.6-49.fc8 it works again without any problems. Don’t know, what was the problem.