* Keith Owens <kaos@melbourne.sgi.com> [20001217 02:09]: > The joys of cross system debugging. You need to set ksymoops option > -t, it is defaulting to elf32-i386 which is no good for mips objects. When I ran the program on Intel, I feared I might have to change something... anyway, I did it natively on mipsel now. I hope it's ok: With Karel van Houten's kernel from http://www.xs4all.nl/~vhouten/mipsel/vmlinux-2.4.0-decR3k.tgz ksymoops 2.3.5 on mips 2.0.34C52_SK. Options used -v vmlinux (specified) -K (specified) -L (specified) -O (specified) -m System.map (specified) Unable to handle kernel paging request at virtual address 00000004, epc == 800596b8, ra == 80059660 $0 : 00000000 10002000 80720380 00000000 00000000 801c38e0 10002000 80230000 $8 : 00002000 ffff00ff 00000000 00000000 00000000 00000000 ffffffff 81096180 $16: 00010f00 81094000 80048000 a000fcf8 30464354 a0002f88 fffffff4 00010f00 $24: 00000001 00000002 80720000 80720f58 80721090 80059660 epc : 800596b8 Using defaults from ksymoops -t elf32-littlemips -a mips:3000 Status: 10002004 Cause : 30000408 Process (pid: 0, stackpage=80720000) Stack: 00000008 0000000d 80060bc0 00000000 8020c020 00000001 00000000 00000000 00000000 80720f7c 80720f7c 80048518 00000000 00000000 00000000 80720f7c 80720f7c 80048518 00010f00 00000000 80048000 a000fcf8 30464354 a0002f88 00000200 001220d2 40208a0a 8004e988 8023e268 0000000a 80720fe0 00000000 8004b2cc ffff00ff 00010f00 00000000 80721090 00000000 ffffffff 81096180 00000000 ... Call Trace: [<80060bc0>] [<80048518>] [<80048518>] [<80048000>] [<8004e988>] [<8004b2cc>] Code: ac6b0004 8e2401d4 8e230218 <8c820004> 00000000 0043102b 1040043b 2416fff5 40036000 >>RA; 80059660 <do_fork+b4/124c> >>PC; 800596b8 <do_fork+10c/124c> <===== Trace; 80060bc0 <open_softirq+30/90> Trace; 80048518 <handle_softirq+8/10> Trace; 80048518 <handle_softirq+8/10> Trace; 80048000 <__gnu_compiled_c+0/0> Trace; 8004e988 <sys_clone+5c/6c> Trace; 8004b2cc <stack_done+20/3c> With Flo's kernel from ftp://ftp.rfc822.org/pub/local/debian-mipsel/kernel/kernel-image-2.4.0-test8-pre1-dec-r3k.tar.gz ksymoops 2.3.5 on mips 2.0.34C52_SK. Options used -v vmlinux-2.4.0-test8-pre1 (specified) -K (specified) -L (specified) -O (specified) -m System.map-2.4.0-test8-pre1 (specified) Unable to handle kernel paging request at virtual address 00000004, epc == 800599f4, ra == 8005999c $0 : 00000000 10002000 80720370 00000000 00000000 00001098 10002000 0000003c $8 : 00002000 ffff00ff 00000000 00000000 00000000 00000000 801a9d94 10002001 $16: 00000f00 81098000 80048000 a000fcf8 30464354 a0002f88 fffffff4 00000f00 $24: 00000000 00000000 80720000 80720f58 80721090 8005999c epc : 800599f4 Using defaults from ksymoops -t elf32-littlemips -a mips:3000 Status: 10002004 Cause : 30000408 Process (pid: 0, stackpage=80720000) Stack: 800d7054 81086200 800613a8 00000001 00000008 80061064 00000000 00000000 00000000 80720f7c 80720f7c 801b6737 00000000 00000000 00000000 80720f7c 80720f7c 801b6737 00000f00 00000000 80048000 a000fcf8 30464354 a0002f88 00000200 001200d2 40208a0a 8004e934 00000000 00000020 80720fe0 0000000a 8004b2cc 0000003c 00000f00 00000000 80721090 0000003c 801b6748 801a9d94 00000000 ... Call Trace: [<800d7054>] [<800613a8>] [<80061064>] [<80048000>] [<8004e934>] [<8004b2cc>] Code: ac6b0004 8e2401d0 8e230214 <8c820004> 00000000 0043102b 10400442 2416fff5 40036000 Error (Oops_bfd_perror): set_section_contents Section has no contents >>RA; 8005999c <do_fork+b0/1264> >>PC; 800599f4 <do_fork+108/1264> <===== Trace; 800d7054 <timer_interrupt+104/1c0> Trace; 800613a8 <tasklet_hi_action+e0/160> Trace; 80061064 <__gnu_compiled_c+c4/138> Trace; 80048000 <__gnu_compiled_c+0/0> Trace; 8004e934 <sys_clone+5c/6c> Trace; 8004b2cc <stack_done+20/3c> 1 error issued. Results may not be reliable. -- Martin Michlmayr tbm@cyrius.com
