*** This bug is a duplicate of bug 30557 ***
my BIOS is revision 1.24, 2005-11-07. Embedded Controller Version 1.04
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Thinkpad T43 2.6.15-23/25, system slow to use due to CPU spikes
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*** This bug is a duplicate of bug 30557 ***
Setting the max_cstate to 1 makes the system usable.
I just upgraded to 1.27 (May 24 2006) and 1.06 (Jun 6 2006), and set the
max_cstate back to default (8). That seems to have made the2.6.12-25
kernel MUCH better. I can't tell if it's totally
Not sure where you got Embedded Controller Version. There's a couple of
BIOS version numbers in kern.log
PCI: PCI BIOS revision 2.10 entry at 0xfd8f7, last bus=7
and
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
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Thinkpad T43 2.6.15-23/25, system slow to use due to CPU spikes
*** This bug is a duplicate of bug 30557 ***
I marked this bug as a duplicate of #30557.
** This bug has been marked a duplicate of bug 30557
cpu idle time in /proc/stat wrong
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Thinkpad T43 2.6.15-23/25, system slow to use due to CPU spikes
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*** This bug is a duplicate of bug 30557 ***
Jeff. I got my bios version by going into the bios. While the big IBM
is on the screen after a reboot, hit F1. It should be listed there.
Any chance you can reboot at some point and send over that #?
Thanks,
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Thinkpad T43 2.6.15-23/25, system
*** This bug is a duplicate of bug 30557 ***
Until this gets fixed, change your kernel to the regular -i386. No need
for acpi=off with that one (see #30557).
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*** This bug is a duplicate of bug 30557 ***
On Tue, 2006-06-20 at 20:26 +, Adam Koszela wrote:
*** This bug is a duplicate of bug 30557 ***
Until this gets fixed, change your kernel to the regular -i386. No need
for acpi=off with that one (see #30557).
Or add: echo 1
Could the original reporter try booting with 'acpi=off'? That fixed it
for me, though now I don't get my battery level anymore.
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So for my own sanities sake let me give numbers to the symptoms
Symptom #1:
CPU spikes, which over time, evenutally turn into a continual stream of user
and system time. Eventually the cpu will never spin down from MAX.
Kernels present in: 2.6.15-23, 2.6.15-25
Kernels NOT present in: 2.6.12-9
I should note the lsmod I included is from a bootup with acpi=off
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Just to add another datapoint, I'm running -23 on my T43 and I have not
noticed this behavior. I have the cpu frequency monitor up all the time
and it's almost always at 800Mhz. Perhaps if we compare hardware
details we can find the way to the culprit. I will add an attachment
with my lspci and
** Attachment added: specs from a VGN-FS295VP with slowdown
http://librarian.launchpad.net/3085030/VGN-FS295VP
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** Attachment added: stuff that's different in the non-working system
http://librarian.launchpad.net/3085049/diff1.txt
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Can confirm 2.6.15-25-686 being sluggish on my Sony VAIO VGN-FS295VP.
Can't really remember how the breezy kernel was, used dapper throughout
development. 2.6.15-23-686 is much faster for me.
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Thinkpad T43 2.6.15-23/25, system slow to use due to CPU spikes
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