[Xen-bugs] [Bug 1365] PV-GRUB: virtual framebuffer doesn't work

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1365





------- Comment #2 from zhigang.x.wang@xxxxxxxxxx  2008-10-07 19:02 -------
I generated a core dump of qemu-dm and this is the backtrace:

$ gdb -q qemu-dm /share/pkg/debug/core.25010 
Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `/usr/lib/xen/bin/qemu-dm -d 26 -domain-name
OVM_EL5U1_X86_PVM_4GB -k en-us -ser'.
Program terminated with signal 11, Segmentation fault.
#0  0x080c2b5c in usb_hid_handle_control (dev=0x82ed110, request=137285904,
value=-1079381608, index=135072130, length=0, 
    data=0x82ede88 "") at
/share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/hw/usb-hid.c:781
781                     memcpy(data, qemu_mouse_hid_report_descriptor,
(gdb) bt
#0  0x080c2b5c in usb_hid_handle_control (dev=0x82ed110, request=137285904,
value=-1079381608, index=135072130, length=0, 
    data=0x82ede88 "") at
/share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/hw/usb-hid.c:781
#1  0x08057abe in readline_find_completion (cmdline=0x2 <Address 0x2 out of
bounds>)
    at /share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/monitor.c:2586
#2  0x080d0982 in send_hextile_tile_32 (vs=0x810c280, x=34136, y=-2078432215,
w=6025504, h=146615220, last_bg_=0x0, last_fg_=0xbfa9f1d8, 
    has_bg=0x804cf3c, has_fg=0x0) at vnchextile.h:164
#3  0x080513a1 in mux_chr_write (chr=0x0, buf=0x8558 <Address 0x8558 out of
bounds>, len=1000000)
    at /share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/vl.c:1794
#4  0x0804cf3c in qemu_advance_timer (ts=0x82d3108,
expire_time=-4635907637896416496)
    at /share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/vl.c:1050
#5  0x0805137e in mux_chr_write (chr=0xa, buf=0x8bd12f1 <Address 0x8bd12f1 out
of bounds>, len=0)
    at /share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/vl.c:1794
#6  0x080d9673 in vmdk_create (filename=0x1 <Address 0x1 out of bounds>,
total_size=589563529297542688, backing_file=0xbfaa1f58 "\001@", 
    flags=135316096) at block-vmdk.c:271
#7  0x08054e30 in main (argc=0, argv=0x0) at
/share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/vl.c:8512
(gdb) info thread
  4 process 25017  0xb7f36402 in __kernel_vsyscall ()
  3 process 25191  0xb7f36402 in __kernel_vsyscall ()
  2 process 25193  0xb7f36402 in __kernel_vsyscall ()
* 1 process 25010  0x080c2b5c in usb_hid_handle_control (dev=0x82ed110,
request=137285904, value=-1079381608, index=135072130, length=0, 
    data=0x82ede88 "") at
/share/tmp/repos/xen-3.3-testing/tools/ioemu-dir/hw/usb-hid.c:781
(gdb) 


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