Anyone running a linux 2.6.22.x Kernel ok ?

[narvik86]

strange thing i noticed:
i can't use audacious when playing nexuiz, audacious causes freezes! Maybe you should check this: open termial, launch glxgears.
without audacious i get around 12000, with audacious running i get around 2000 fps and freezes. Audacious with nexuiz worked correctly on ubuntu 7.04, now on ubuntu 7.10(2.6.22-14-generic) i can't use this player when I'm going to use some application with 3d acceleration.

[Summer Willow]

strange thing i noticed:
i can't use audacious when playing nexuiz, audacious causes freezes! Maybe you should check this: open termial, launch glxgears.
without audacious i get around 12000, with audacious running i get around 2000 fps and freezes. Audacious with nexuiz worked correctly on ubuntu 7.04, now on ubuntu 7.10(2.6.22-14-generic) i can't use this player when I'm going to use some application with 3d acceleration.

As a curious thing, I get the same issue as you with Amarok. My nexuiz freezes for a minute when it changes songs (I use a radio stream when playing). I picked audacious specifically because it has little impact on performance so I was surprised to see you write this.

Did my own test and on a 2.6.20.18.dev1.ck (Con Kolvas patches) kernel running PCLOS 2007 (fully up to date except for the kernel) I get this -

glxgears {with audacious running}
40400 frames in 5.0 seconds = 8079.985 FPS
40073 frames in 5.0 seconds = 8014.579 FPS
40462 frames in 5.0 seconds = 8084.716 FPS

glxgears {without audacious}
44155 frames in 5.0 seconds = 8830.952 FPS
43968 frames in 5.0 seconds = 8793.493 FPS
44112 frames in 5.0 seconds = 8822.400 FPS

Its an 800fps improvement sure but I get little other improvement and nexuiz runs fine with or without audacious running so it must be something Ubu did as in my case it seems its something PCLOS did to the kernels.

Summerkin
[/b]

[Psychcf]

maybe it's the sound server? try switching to something else temporarily just to see what happens

[nexbender]

I'd bet a little money these audio/video performance hits are being caused by bus contention - an IRQ shared that shouldn't be. And it probably isn't either the sound or video card but the usb host. Am I correct in assuming you're using usb keys/mouse?

On my new mobo I've run into these problems when trying to use a usb keyboard & mouse - and despite having a bit of control through bios and being able to tell the kernel to grok & honor bus setup from bios, i still end up with irqs that should be bound only to one address space being piggy-backed by the usb host, which is F*CKING AWFUL.

[mkzelda]

I have a couple theories for you Summer Willow.

1) I've had some issues w/ Amarok running while playing Nexuiz, due to it updating my collection every X interval, which is something like every 5-10 minutes. Random Play is much worse, which rescans every time the song changes. You can disable the auto-scanning and random play, but I just kill Amarok.

2A) A lot of kernel options changed from 2.6.19 to 2.6.23. I've heard a few people recently complaining of similar problems. For them, one of the I/O schedulers (CFQ, Anticipatory, Deadline) are bad and simply changing to another fixes the problem. You may try that.

2B) Because of the changes, blindly copying your .config to the new kernel may not work. For me, a lot of the iptables broke until I figured out where everything moved. Some options were only enabled by enabling other options that only got enabled by other options...

2C) Check your SATA/PATA drivers. These have changed both in location and availability. On some of my machines the next generation SATA/PATA worked great and the old ones no longer work, or cause crashing. On other machines I've found I can't use the new drivers, while I've also found some machines where I have to mix and match new SATA with old PATA or vice versa.

Side note/OT: I have had some issues w/ kernel 2.6.23 specifically and packages that taint the kernel like nvidia-drivers, madwifi/ndiswrapper, fuse, etc. They cant seem to find the kernel. This may be a gentoo specific problem with gentoo-sources-2.6.23 as I dont have the problem w/ the -r1 version bump, or older versions. I never found anyone else with this problem when searching on forums but I figured I'd throw this out there for anyone to confirm the same problem.

[nexbender]

yadada yadada

If you're still checking this thread, check which vesion of Xorg you're running, I've come across some real probs in 7.3. "Xorg -version" from console should give you the version... And see if you can get the xorg-server version itself via your package management system. xorg-server-1.4 series has been pretty bad, IMHO. If you're running that version and it's feasible to rollback to an earlier version, do so (YMMV! I don't want BB yelling at me cuz you messed it up!).