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[Qemu-devel] [Bug 1187121] [NEW] segfault with -vga vmware and -display
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From: |
Michael Tokarev |
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Subject: |
[Qemu-devel] [Bug 1187121] [NEW] segfault with -vga vmware and -display gtk |
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Date: |
Mon, 03 Jun 2013 20:25:46 -0000 |
Public bug reported:
When some guest is run with -vga vmware -display gtk, qemu segfaults
after certain guest gui operations.
./x86_64-softmmu/qemu-system-x86_64 -cdrom
ubuntu-10.04.4-desktop-i386.iso -vga vmware -enable-kvm
(-enable-kvm just to speed things up, it does not depend on kvm).
(Ubuntu desktop image is from http://old-
releases.ubuntu.com/releases/lucid/ )
This segfaults in a few moments after initial boot.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xf5bccb70 (LWP 23460)]
0xf710792c in g_object_unref ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
(gdb) bt
#0 0xf710792c in g_object_unref ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#1 0x5673b635 in gd_cursor_define (dcl=0x57153d44, c=0x5710e7b8)
at ui/gtk.c:380
#2 0x5673895b in dpy_cursor_define (con=0x570c07f8,
address@hidden) at ui/console.c:1547
#3 0x5665f2a7 in vmsvga_cursor_define (c=0xf5bc6ef0, s=<optimized out>)
at hw/display/vmware_vga.c:492
#4 vmsvga_fifo_run (s=<optimized out>)
at hw/display/vmware_vga.c:628
#5 0x567ce6a8 in memory_region_write_accessor (
address@hidden, addr=1, address@hidden,
address@hidden, shift=0, mask=4294967295) at memory.c:334
#6 0x567ce146 in access_with_adjusted_size (addr=<optimized out>,
address@hidden, address@hidden,
access_size_min=<optimized out>, access_size_max=<optimized out>,
address@hidden <memory_region_write_accessor>,
address@hidden) at memory.c:364
#7 0x567cf28c in memory_region_iorange_write (iorange=0x57243f58, offset=1,
width=4, data=1) at memory.c:439
#8 0x567c8b48 in ioport_writel_thunk (opaque=0x57243f58, addr=49233, data=1)
at ioport.c:226
#9 0x567c92d3 in ioport_write (data=1, address=49233, index=2)
...
(gdb) frame 1
#1 0x5673b635 in gd_cursor_define (dcl=0x57153d44, c=0x5710e7b8) at
ui/gtk.c:380
380 g_object_unref(cursor);
(gdb) p cursor
$1 = (GdkCursor *) 0x570eb1e0
(gdb) p *cursor
$2 = {type = GDK_CURSOR_IS_PIXMAP, ref_count = 3}
(gdb) frame 2
#2 0x5673895b in dpy_cursor_define (con=0x570c07f8,
address@hidden) at ui/console.c:1547
1547 dcl->ops->dpy_cursor_define(dcl, cursor);
(gdb) p *cursor
$3 = {width = 64, height = 64, hot_x = 0, hot_y = 0, refcount = 1,
data = 0x5710e7cc}
(gdb) p *cursor->data
$4 = 0
(gdb) l
1542 QLIST_FOREACH(dcl, &s->listeners, next) {
1543 if (con != (dcl->con ? dcl->con : active_console)) {
1544 continue;
1545 }
1546 if (dcl->ops->dpy_cursor_define) {
1547 dcl->ops->dpy_cursor_define(dcl, cursor);
1548 }
1549 }
1550 }
1551
(gdb)
** Affects: qemu
Importance: Undecided
Status: Confirmed
** Affects: qemu (Debian)
Importance: Unknown
Status: Unknown
** Changed in: qemu
Status: New => Confirmed
** Bug watch added: Debian Bug tracker #710971
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=710971
** Also affects: qemu (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=710971
Importance: Unknown
Status: Unknown
--
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https://bugs.launchpad.net/bugs/1187121
Title:
segfault with -vga vmware and -display gtk
Status in QEMU:
Confirmed
Status in “qemu” package in Debian:
Unknown
Bug description:
When some guest is run with -vga vmware -display gtk, qemu segfaults
after certain guest gui operations.
./x86_64-softmmu/qemu-system-x86_64 -cdrom
ubuntu-10.04.4-desktop-i386.iso -vga vmware -enable-kvm
(-enable-kvm just to speed things up, it does not depend on kvm).
(Ubuntu desktop image is from http://old-
releases.ubuntu.com/releases/lucid/ )
This segfaults in a few moments after initial boot.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xf5bccb70 (LWP 23460)]
0xf710792c in g_object_unref ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
(gdb) bt
#0 0xf710792c in g_object_unref ()
from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#1 0x5673b635 in gd_cursor_define (dcl=0x57153d44, c=0x5710e7b8)
at ui/gtk.c:380
#2 0x5673895b in dpy_cursor_define (con=0x570c07f8,
address@hidden) at ui/console.c:1547
#3 0x5665f2a7 in vmsvga_cursor_define (c=0xf5bc6ef0, s=<optimized out>)
at hw/display/vmware_vga.c:492
#4 vmsvga_fifo_run (s=<optimized out>)
at hw/display/vmware_vga.c:628
#5 0x567ce6a8 in memory_region_write_accessor (
address@hidden, addr=1, address@hidden,
address@hidden, shift=0, mask=4294967295) at memory.c:334
#6 0x567ce146 in access_with_adjusted_size (addr=<optimized out>,
address@hidden, address@hidden,
access_size_min=<optimized out>, access_size_max=<optimized out>,
address@hidden <memory_region_write_accessor>,
address@hidden) at memory.c:364
#7 0x567cf28c in memory_region_iorange_write (iorange=0x57243f58, offset=1,
width=4, data=1) at memory.c:439
#8 0x567c8b48 in ioport_writel_thunk (opaque=0x57243f58, addr=49233, data=1)
at ioport.c:226
#9 0x567c92d3 in ioport_write (data=1, address=49233, index=2)
...
(gdb) frame 1
#1 0x5673b635 in gd_cursor_define (dcl=0x57153d44, c=0x5710e7b8) at
ui/gtk.c:380
380 g_object_unref(cursor);
(gdb) p cursor
$1 = (GdkCursor *) 0x570eb1e0
(gdb) p *cursor
$2 = {type = GDK_CURSOR_IS_PIXMAP, ref_count = 3}
(gdb) frame 2
#2 0x5673895b in dpy_cursor_define (con=0x570c07f8,
address@hidden) at ui/console.c:1547
1547 dcl->ops->dpy_cursor_define(dcl, cursor);
(gdb) p *cursor
$3 = {width = 64, height = 64, hot_x = 0, hot_y = 0, refcount = 1,
data = 0x5710e7cc}
(gdb) p *cursor->data
$4 = 0
(gdb) l
1542 QLIST_FOREACH(dcl, &s->listeners, next) {
1543 if (con != (dcl->con ? dcl->con : active_console)) {
1544 continue;
1545 }
1546 if (dcl->ops->dpy_cursor_define) {
1547 dcl->ops->dpy_cursor_define(dcl, cursor);
1548 }
1549 }
1550 }
1551
(gdb)
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