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[Qemu-devel] qemu crashes and freezes on x86_64/amd64 host
From: |
Bob Deblier |
Subject: |
[Qemu-devel] qemu crashes and freezes on x86_64/amd64 host |
Date: |
Thu, 07 Oct 2004 20:54:06 +0200 |
Current CVS version, statically compiled, running on FC2 x86_64 (a.k.a.
amd64)
Maybe these gdb sessions can help shed some light:
address@hidden qemu]$ gdb qemu
GNU gdb Red Hat Linux (6.0post-0.20040223.19rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "x86_64-redhat-linux-gnu"...Using host
libthread_db library "/lib64/tls/libthread_db.so.1".
(gdb) set args -cdrom /opt/iso/w2k.iso -boot d w2k.img
(gdb) run
Starting program: /usr/bin/qemu -cdrom /opt/iso/w2k.iso -boot d w2k.img
Program received signal SIGSEGV, Segmentation fault.
tb_link_phys (tb=0xbd8dc8, phys_pc=33, phys_page2=426) at
/home/bob/emulators/cvs/qemu/exec.c:842
842 tb->page_next[n] = p->first_tb;
(gdb)
Another session crashes at the same location, with different values:
Program received signal SIGSEGV, Segmentation fault.
tb_link_phys (tb=0xbd8cf8, phys_pc=33, phys_page2=426) at
/home/bob/emulators/cvs/qemu/exec.c:842
842 tb->page_next[n] = p->first_tb;
Yet another possibility is that qemu apparently freezes; interrupting
gdb then gives:
(gdb) run
Starting program: /usr/bin/qemu -cdrom /opt/iso/w2k.iso -boot d w2k.img
Program received signal SIGINT, Interrupt.
0x000000000126cd4d in code_gen_buffer ()
(gdb) where
#0 0x000000000126cd4d in code_gen_buffer ()
#1 0x0000000001adbd00 in ?? ()
#2 0x0000000000446145 in cpu_x86_exec (env1=0xfd76) at
/home/bob/emulators/cvs/qemu/cpu-exec.c:545
#3 0x0000000000403294 in main_loop () at
/home/bob/emulators/cvs/qemu/vl.c:2463
#4 0x0000000000403fb3 in main (argc=64886, argv=0xc000) at
/home/bob/emulators/cvs/qemu/vl.c:3392
(gdb)
Any pointers welcome.
Sincerely,
Bob Deblier
- [Qemu-devel] qemu crashes and freezes on x86_64/amd64 host,
Bob Deblier <=
[Qemu-devel] Re: qemu crashes and freezes on x86_64/amd64 host, Andi Kleen, 2004/10/09