More displaystate fallout? (was: Re: [Qemu-devel] testing qemu
svn r6367 on FreeBSD - sigev_signo; vmmouse, -vga vmware broken, slirp...)
Jędrzej Kalinowski
kalinoj1 at iem.pw.edu.pl
Wed Jan 21 03:15:57 PST 2009
On Wed, 21 Jan 2009 00:12:48 +0100, Juergen Lock <nox at jelal.kn-bremen.de>
wrote:
> On Tue, Jan 20, 2009 at 03:19:45PM +0100, J??drzej Kalinowski wrote:
> Btw here it's ctrl-alt-2 to get to the monitor at least with sdl.
>
I wasn't specific, sorry - I use: -curses option, as qemu is beeing run in
ssh session.
> No I cannot reproduce that (at least on 6.3/i386 and an older
> 7-stable/amd64), can you get a backtrace? (do something like:
> gdb
>
/usr/ports/emulators/qemu-devel/work/qemu-snapshot-2009-01-18_18/i386-softmmu/qemu
> qemu.core
> and then in gdb do `bt' - that qemu executable below the work/ dir should
> still have debug symbols so you'll get a more meaningful backtrace than
> with the installed executable from below /usr/local/bin.)
>
Thanks for your tip - I get this trace:
#0 0x000000080121179c in free () from /lib/libc.so.7
#1 0x0000000801082d1e in _nc_freewin () from /lib/libncurses.so.7
#2 0x000000000048219a in curses_calc_pad () at curses.c:72
#3 0x0000000000463c16 in console_select (index=Variable "index" is not
available.
) at console.h:162
#4 0x00000000004828e9 in curses_refresh (ds=0x80220e140) at curses.c:227
#5 0x00000000004081e6 in gui_update (opaque=0x80d254300) at console.h:180
#6 0x00000000004072ac in qemu_run_timers (ptimer_head=0xa591b0,
current_time=330803229) at
/tmp/ports/qemu-devel/qemu-snapshot-2009-01-18_18/vl.c:1222
#7 0x0000000000409547 in main_loop_wait (timeout=Variable "timeout" is not
available.
) at /tmp/ports/qemu-devel/qemu-snapshot-2009-01-18_18/vl.c:3702
#8 0x000000000040cb3f in main (argc=5, argv=0x7fffffffeaa8, envp=Variable
"envp" is not available.
) at /tmp/ports/qemu-devel/qemu-snapshot-2009-01-18_18/vl.c:3851
So it's somewhat related to ncurses - but my older snapshot still works
fine, and doesn't crash in monitor/serial view.
> I do notice tho that the monitor output on vc is slow now, almost as if
> coming over a 1200 bps serial line or so... :) So definitely _something_
> has changed. (now that I look for it, the guest's vga textconsole might
> have been faster before as well, tho its not _as_ slow as the monitor.)
>
> Oh and if I put the monitor on qemu's tty (-monitor stdio) its also
> not slow.
>
> Cheers,
> Juergen
Thanks for your help,
Jedrzej Kalinowski
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