diff options
Diffstat (limited to 'results/classifier/105/semantic/691424')
| -rw-r--r-- | results/classifier/105/semantic/691424 | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/results/classifier/105/semantic/691424 b/results/classifier/105/semantic/691424 new file mode 100644 index 00000000..f6f70bbe --- /dev/null +++ b/results/classifier/105/semantic/691424 @@ -0,0 +1,101 @@ +semantic: 0.906 +boot: 0.871 +network: 0.870 +assembly: 0.863 +device: 0.859 +other: 0.858 +mistranslation: 0.854 +graphic: 0.853 +instruction: 0.843 +socket: 0.836 +vnc: 0.768 +KVM: 0.750 + +qemu/kvm SDL over ssh -X broken + +qemu/kvm by default uses SDL to render the output of its emulated VGA graphics. +This is broken over ssh -X since quite a while. +The only workaround I know, is to use qemu -vnc :0 +and connect using vncviewer + + +How To Reproduce: +1. zypper in qemu +2. ssh -X localhost qemu -cdrom ANYISOFILE + +Actual Results: +qemu hangs in an endless loop on the BIOS display screen + +Expected Results: +should boot up the iso as 0.10 versions did + +Reproducible: Always + + +this is what broke it: +$ git bisect bad +c18a2c360e3100bbd71162cf922dcd8c429a8b71 is first bad commit +commit c18a2c360e3100bbd71162cf922dcd8c429a8b71 +Author: Stefano Stabellini <email address hidden> +Date: Wed Jun 24 11:58:25 2009 +0100 + + sdl zooming + + Hi all, + this patch implements zooming capabilities for the sdl interface. + A new sdl_zoom_blit function is added that is able to scale and blit a + portion of a surface into another. + This way we can enable SDL_RESIZABLE and have a real_screen surface with + a different size than the guest surface and let sdl_zoom_blit take care + of the problem. + + Signed-off-by: Stefano Stabellini <email address hidden> + Signed-off-by: Anthony Liguori <email address hidden> + +:100644 100644 a06c9bfc22cc6de1c6e5e9068d6bf59d89613767 f8dc5065dd27010bfdbb6bcfb0c6e3af25024cdb M Makefile +:100644 100644 417217582363a87ee67e746ba798e285a64b6cdc 35183399f65de6f50f3baa4767ab7d4d11d45bca M console.h +:100644 100644 178b5532b8d9dd2194a8662fbfdcd49b4bc04222 d81399e51276e1c97fa1f7272ef16ea4c312b51b M sdl.c +:000000 100644 0000000000000000000000000000000000000000 56d3604fc3d79e4cc4622be8437c78bf70075da3 A sdl_zoom.c +:000000 100644 0000000000000000000000000000000000000000 33dc63408b43a37fd6b1acde3fa62b1a51315e75 A sdl_zoom.h +:000000 100644 0000000000000000000000000000000000000000 64bbca849bd3af678c2259b4d8cc0e48c6a6b43c A sdl_zoom_template.h + + +This problem occurs on both Debian and openSUSE. + +One possible way to get X11-forwarding back on qemu master is to disable zoom by this patch. + +But I do not know why the do_sdl_resize function should be problematic. +There is probably a better solution. + +Hi, + +I tried this with a current (git) build, and I'm not able to reproduce it. + +I do see a problem with a bad initial SDL window size (its much too small) on a remote machine over a moderate-level network (wireless LAN). I don't see that when ssh-ing to localhost (even though both hosts are basically the same). + +I do see differences between current (git) qemu and the 0.12.5 version. Current git boots the ISO, but doesn't appear to get to the login screen. + +I'm not sure what the differences between our configurations are. I have SDL 1.2.14-6ubuntu3 + +Still investigation. + +Brad + + + +I now found that it depends on my client side. The bug happens when I ssh -XC from my netbook with 1024x600(intel) to a server, but when I ssh -XC to the same server from my laptop with 1024x768(fbdev), then it works. +So might be that the scaling code that made the difference in my bisecting, is only used for small screens. + +I can confirm this: + +My client: + +Ubuntu 12.04 LTS via ssh -X with Gnome - Terminal 3.4.1.1 and compiz enabled +3.2.0-33-generic #52-Ubuntu SMP Thu Oct 18 16:29:15 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux + +Can you still reproduce this issue with the latest version of QEMU, with the latest version of SDL? + +It seems to be working now with current versions, so has probably been fixed somewhere. + +OK, thanks a lot for testing it again! + |