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Re: [Qemu-devel] qemu-system-ppc seems slow today.
From: |
Lennart Sorensen |
Subject: |
Re: [Qemu-devel] qemu-system-ppc seems slow today. |
Date: |
Mon, 19 Jan 2009 19:53:51 -0500 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Mon, Jan 19, 2009 at 02:42:21PM -0500, Lennart Sorensen wrote:
> On Mon, Jan 19, 2009 at 07:39:02PM +0100, Aurelien Jarno wrote:
> > That works perfectly here.
>
> So far I have tested 4 checkouts.
>
> 0.9.1git-5653494a49db20ca6b22b32fa07a73b9e2f26169 slow Sat Jan 17
> 20:47:10 2009 +0000
> 0.9.1git-63c75dcd669d011f438421980b4379827da4bb1c slow Fri Jan 16
> 22:32:33 2009 +0000
> 0.9.1git-6517ca2a760227b7eb1ded729b0e26f0fa61d73c segfault Fri Jan 16
> 07:31:51 2009 +0000
> 0.9.1git-75f765317b0bce0ad250f665c24c844d775ea4da normal Wed Jan 14
> 21:42:48 2009 +0000
> 0.9.1git-1eff7fbf116790aaacc8f89def68be11149626cc normal Tue Jan 13
> 23:12:34 2009 +0000 (no quik boot though)
>
> So so far I know something changed between
> 75f765317b0bce0ad250f665c24c844d775ea4da and
> 63c75dcd669d011f438421980b4379827da4bb1c
>
> All I am doing is running qemu-system-ppc -hda debian-lenny.img (which
> has debian lenny installed with the standard debian 2.6.26 kernel).
>
> I will do more builds until I find when it "broke".
So after many builds, and eventually selectively applying some patches
to fix segfaults and build failures, I tracked the problem down to
commit 7d957bd8cbcbf56f7916d375e65042d767f544b5 in git (commit 6336 in
svn). I wish there weren't so many checkins that failed to build or
segfaulted at start. Oh well. Too many targets to test I guess.
Now I have been using qemu for a while by doing:
'ssh -X fastserver' and running qemu there. With the new display code
this has made qemu very slow and hardly useable.
Now if I use vnc to connect to qemu, the performance is great. I
suppose I could use that, but I am still wondering why the new display
code made the X11 over ssh so awful. Any ideas?
Oh and vnc doesn't work with xvnc4client, giving an error about rect too
big:
CConn: connected to host rceng02 port 5901
CConnection: Server supports RFB protocol version 3.8
CConnection: Using RFB protocol version 3.8
TXImage: Using default colormap and visual, TrueColor, depth 24.
CConn: Using pixel format depth 6 (8bpp) rgb222
CConn: Using ZRLE encoding
CConn: Throughput 20000 kbit/s - changing to hextile
encoding
CConn: Throughput 20000 kbit/s - changing to full colour
CConn: Using pixel format depth 24 (32bpp) little-endian
rgb888
CConn: Using hextile encoding
Rect too big: 5x1536 at 600,0 exceeds 800x600
main: Rect too big
vinagre on the other hand seems OK. Odd.
--
Len Sorensen
- [Qemu-devel] qemu-system-ppc seems slow today., Lennart Sorensen, 2009/01/19
- Re: [Qemu-devel] qemu-system-ppc seems slow today., Aurelien Jarno, 2009/01/19
- Re: [Qemu-devel] qemu-system-ppc seems slow today., Lennart Sorensen, 2009/01/19
- Re: [Qemu-devel] qemu-system-ppc seems slow today., Lennart Sorensen, 2009/01/19
- Re: [Qemu-devel] qemu-system-ppc seems slow today., Aurelien Jarno, 2009/01/19
- Re: [Qemu-devel] qemu-system-ppc seems slow today., Lennart Sorensen, 2009/01/19
- Re: [Qemu-devel] qemu-system-ppc seems slow today.,
Lennart Sorensen <=
- Re: [Qemu-devel] qemu-system-ppc seems slow today., François Revol, 2009/01/19
- [Qemu-devel] Extremely slow graphic updates (was: qemu-system-ppc seems slow today), Paul Brook, 2009/01/19
- [Qemu-devel] Re: Extremely slow graphic updates, Anthony Liguori, 2009/01/19
- [Qemu-devel] Re: Extremely slow graphic updates, Stefano Stabellini, 2009/01/20
- [Qemu-devel] Re: Extremely slow graphic updates, Stefano Stabellini, 2009/01/20
- [Qemu-devel] Re: Extremely slow graphic updates, Lennart Sorensen, 2009/01/20
- [Qemu-devel] Re: Extremely slow graphic updates, Lennart Sorensen, 2009/01/20
- [Qemu-devel] Re: Extremely slow graphic updates, Stefano Stabellini, 2009/01/20
- [Qemu-devel] Re: Extremely slow graphic updates, Lennart Sorensen, 2009/01/20
- Re: [Qemu-devel] Re: Extremely slow graphic updates, Samuel Thibault, 2009/01/20