> On Sun, May 01, 2016 at 02:31:57PM +0200, Ingo Krabbe wrote:
>> Good Mayday Qemu Developers,
>>
>> today I tried to find a reference to a networking problem, that seems to be
>> of quite general nature: TCP Segmentation Offloading (TSO) in virtual
>> envi
I'm not sure yet, but I think the TSO problem affects much more setups,
not only windows guests. You might try to set GSO to off in windows
guests too, if there is such an option (GSO might be a linux kernel
feature).
I currently think that we have similar problems with centos7 hosts and
guests
xt week anyway and I woud be happy to
share my observation with you. (Where can I register for the wiki, or whom
should I sent my reports about this topic?).
Regards,
Ingo Krabbe
A build from the current master attached in gdb reveals
Program received signal SIGSEGV, Segmentation fault.
sdl_switch (dcl=0x7f4db26e4b20, new_surface=new_surface@entry=0x0) at
ui/sdl.c:128
128 PixelFormat pf = qemu_pixelformat_from_pixman(new_surface-format);
(gdb) bt
#0 sdl_switch
Actually in any version this can never work, as you call
sdl_switch(dcl,NULL);
in ui/sdl.c:552. So the dereferncing statement
new_surface-format
must SEGFAULT.
The obvious patch is very simple, of course, as just the statement below
line 128 asks if(new_surface). So pf should be