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Old 07-04-08, 06:46 PM   #13
OVERKILL8
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

I think it could potentially be a very real issue. I'm still stable here and no weird messages...........
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Old 08-09-08, 06:27 PM   #14
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

I've had the same problem with my Asus G2S.

The jmicron eSATA controller shares the same IRQ as the Nvidia card.

Unfortunately, this is a laptop, and I cannot move HW around. Only way I got it stable was by disabling the eSATA port in BIOS.

Note that the system runs eSATA fine without X running, (console only). And Nvidia/X runs fine with jmicron disabled. (Running Intrepid with latest Nvidia drivers, 173.14.12)

I can't find ANY info on forcing hardware onto other IRQ's with Linux. They ALWAYS come up on the same IRQ. None of the acpi/apic/etc kernel parameters seem to affect this IRQ config either.

There are many other complaints about the jmicron controller & IRQ sharing out there, just search google for "jmicron linux irq share". The only solution's been to disable jmicron, apparently very buggy.
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Old 08-09-08, 09:56 PM   #15
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

Quote:
Originally Posted by abeowitz View Post
I've had the same problem with my Asus G2S.

The jmicron eSATA controller shares the same IRQ as the Nvidia card.

Unfortunately, this is a laptop, and I cannot move HW around. Only way I got it stable was by disabling the eSATA port in BIOS.

Note that the system runs eSATA fine without X running, (console only). And Nvidia/X runs fine with jmicron disabled. (Running Intrepid with latest Nvidia drivers, 173.14.12)

I can't find ANY info on forcing hardware onto other IRQ's with Linux. They ALWAYS come up on the same IRQ. None of the acpi/apic/etc kernel parameters seem to affect this IRQ config either.

There are many other complaints about the jmicron controller & IRQ sharing out there, just search google for "jmicron linux irq share". The only solution's been to disable jmicron, apparently very buggy.
I wonder if the kernel guys know about this?
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Old 09-23-08, 08:32 AM   #16
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

I'm having the same issues.

System -
gentoo 2008.0
compiz fusion 0.6.0
nvidia drivers 173.14.09
xorg version - X Window System Version 1.3.0 (Xorg --version)
Nvidia card - nVidia Corporation Device 0429 (rev a1)

xorg.conf stuff
Section "Device"
Identifier "Builtin Default nvidia Device 0"
Driver "nvidia"
Option "RenderAccel" "True"
Option "AddARGBGLXVisuals" "True"
Option "DamageEvents" "True"
Option "UseEvents" "False"
Option "TripleBuffer" "True"
Option "BackingStore" "True"
EndSection

general question, do the card options go in the device or screen section of the xorg.conf?

Btw - this is on an IBM Lenovo T61 laptop.
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Old 09-23-08, 09:03 AM   #17
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

OVERKILL8, give the latest zen-sources (based on 2.6.27-rc7) a spin and report back if it still happens with enabled jmicron-controller

in the meantime those weird issues should be fixed (I used to have something similar in the past)
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Old 09-23-08, 06:18 PM   #18
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

You mean the bloody J-Micron issue might be fixed?
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Old 09-24-08, 05:42 AM   #19
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

Quote:
Originally Posted by OVERKILL8 View Post
You mean the bloody J-Micron issue might be fixed?
it should be, there were several commits for the J-Micron chipset in the past

if it's not, what hinders you in getting in touch with the devs ? (that's what I did to get my problems solved)
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Old 09-24-08, 11:27 AM   #20
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Default Re: Poor X Performance with Compiz-Fusion on Gentoo

Good point.
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