[Bug 218483] Re: flash player fullscreen - very slow with nvidia proprietary drivers

[Johan Sköld]

I'm having this issue on Maverick, however it seems to be an issue with
the nvidia drivers more than the flash player. While googling this I
found many people with the same issue (albeit with intel cards) , all
referencing this bug;

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/314928

I figured it was a long-shot, but sure enough, the output of "lspci -v
-s 01:00.0" gives me:

01:00.0 VGA compatible controller: nVidia Corporation G94M [Quadro FX 2700M] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: Hewlett-Packard Company Device 30ec
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at d2000000 (32-bit, non-prefetchable) [size=16M]
	Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Memory at d0000000 (64-bit, non-prefetchable) [size=32M]
	I/O ports at 7000 [size=128]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: nvidia
	Kernel modules: nvidia-current, nouveau, nvidiafb

While "cat /proc/mtrr" gives me:

reg00: base=0x0ffe00000 ( 4094MB), size=    2MB, count=1: write-protect
reg01: base=0x000000000 (    0MB), size= 2048MB, count=1: write-back
reg02: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back
reg03: base=0x100000000 ( 4096MB), size= 1024MB, count=1: write-back
reg04: base=0x13c000000 ( 5056MB), size=   64MB, count=1: uncachable
reg05: base=0x0b9d70000 ( 2973MB), size=   64KB, count=1: uncachable

So I tried adding the memory using the command suggested in the intel bug, as root:
echo "base=0xc0000000 size=0x10000000 type=write-combining" > /proc/mtrr

The result is flash now plays at decent speed even in fullscreen. Mouse
input is still a tad unresponsive, but it's nothing compared to before
and it seems to get better the longer you keep it going for some flash
videos. For example, auditorium (http://www.playauditorium.com/) is only
slow the first 2 levels or so, after that it's very responsive.

-- 
flash player fullscreen - very slow with nvidia proprietary drivers
https://bugs.launchpad.net/bugs/218483
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