Re: panic in bttv_risc_planar
From: caszonyi
Date: Fri Dec 26 2003 - 19:49:29 EST
On Fri, 26 Dec 2003, Martin J. Bligh wrote:
> > Dec 26 17:59:08 grinch kernel: EIP is at bttv_risc_planar+0x140/0x2c0
>
> If you could take the vmlinux binary and do "gdb vmlinux", then
> "disassemble bttv_risc_planar" and post all the output, that'd help.
>
i did this but _after_ i recompiled the kernel with debug info
(CONFIG_DEBUG_INFO=y)
The result is attached
> Or ideally, recompile with -g, and use addr2line to find out exactly
> what it was.
>
I'm not familiar with addr2line :-(
I was trying this command line(the result is below):
//usr/src/linux-2.6.0 $ addr2line -e ./vmlinux 320
??:0
I obtain the same result if i use 0x140 instead of 320 (320 is decimal
for 0x140)
> M.
>GNU gdb 5.3
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
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This GDB was configured as "i386-slackware-linux"...
Dump of assembler code for function bttv_risc_planar:
0xc0333d20 <bttv_risc_planar>: push %ebp
0xc0333d21 <bttv_risc_planar+1>: push %edi
0xc0333d22 <bttv_risc_planar+2>: push %esi
0xc0333d23 <bttv_risc_planar+3>: push %ebx
0xc0333d24 <bttv_risc_planar+4>: sub $0x28,%esp
0xc0333d27 <bttv_risc_planar+7>: mov 0x4c(%esp,1),%eax
0xc0333d2b <bttv_risc_planar+11>: mov 0x54(%esp,1),%edx
0xc0333d2f <bttv_risc_planar+15>: imul 0x54(%esp,1),%eax
0xc0333d34 <bttv_risc_planar+20>: mov 0x40(%esp,1),%ecx
0xc0333d38 <bttv_risc_planar+24>: mov 0x48(%esp,1),%edi
0xc0333d3c <bttv_risc_planar+28>: mov 0x58(%esp,1),%ebp
0xc0333d40 <bttv_risc_planar+32>: mov %ecx,0x4(%esp,1)
0xc0333d44 <bttv_risc_planar+36>: add %eax,%eax
0xc0333d46 <bttv_risc_planar+38>: shr $0xc,%eax
0xc0333d49 <bttv_risc_planar+41>: lea 0x2(%edx,%eax,1),%eax
0xc0333d4d <bttv_risc_planar+45>: mov 0x3c(%esp,1),%edx
0xc0333d51 <bttv_risc_planar+49>: lea (%eax,%eax,4),%eax
0xc0333d54 <bttv_risc_planar+52>: shl $0x2,%eax
0xc0333d57 <bttv_risc_planar+55>: mov %eax,0x8(%esp,1)
0xc0333d5b <bttv_risc_planar+59>: mov (%edx),%eax
0xc0333d5d <bttv_risc_planar+61>: mov %eax,(%esp,1)
0xc0333d60 <bttv_risc_planar+64>: call 0xc033fc10 <btcx_riscmem_alloc>
0xc0333d65 <bttv_risc_planar+69>: test %eax,%eax
0xc0333d67 <bttv_risc_planar+71>: js 0xc0333fb1 <bttv_risc_planar+657>
0xc0333d6d <bttv_risc_planar+77>: mov 0x40(%esp,1),%ecx
0xc0333d71 <bttv_risc_planar+81>: mov 0x4(%ecx),%ecx
0xc0333d74 <bttv_risc_planar+84>: movl $0x8000000e,(%ecx)
0xc0333d7a <bttv_risc_planar+90>: add $0x4,%ecx
0xc0333d7d <bttv_risc_planar+93>: movl $0x0,(%ecx)
0xc0333d83 <bttv_risc_planar+99>: mov 0x54(%esp,1),%eax
0xc0333d87 <bttv_risc_planar+103>: movl $0x0,0x24(%esp,1)
0xc0333d8f <bttv_risc_planar+111>: add $0x4,%ecx
0xc0333d92 <bttv_risc_planar+114>: mov 0x44(%esp,1),%esi
0xc0333d96 <bttv_risc_planar+118>: cmp %eax,0x24(%esp,1)
0xc0333d9a <bttv_risc_planar+122>: mov %ecx,0x18(%esp,1)
0xc0333d9e <bttv_risc_planar+126>: mov %esi,0x14(%esp,1)
0xc0333da2 <bttv_risc_planar+130>: mov %esi,0x10(%esp,1)
0xc0333da6 <bttv_risc_planar+134>: jae 0xc0333fa4 <bttv_risc_planar+644>
0xc0333dac <bttv_risc_planar+140>: mov 0x3c(%esp,1),%edx
0xc0333db0 <bttv_risc_planar+144>: mov 0x3d0(%edx),%eax
0xc0333db6 <bttv_risc_planar+150>: test %eax,%eax
0xc0333db8 <bttv_risc_planar+152>: je 0xc0333dcb <bttv_risc_planar+171>
0xc0333dba <bttv_risc_planar+154>: mov 0x54(%esp,1),%eax
0xc0333dbe <bttv_risc_planar+158>: sub $0x4,%eax
0xc0333dc1 <bttv_risc_planar+161>: cmp %eax,0x24(%esp,1)
0xc0333dc5 <bttv_risc_planar+165>: jae 0xc0333f92 <bttv_risc_planar+626>
0xc0333dcb <bttv_risc_planar+171>: cmpl $0x1,0x64(%esp,1)
0xc0333dd0 <bttv_risc_planar+176>: je 0xc0333fd9 <bttv_risc_planar+697>
0xc0333dd6 <bttv_risc_planar+182>: cmpl $0x1,0x64(%esp,1)
0xc0333ddb <bttv_risc_planar+187>: movl $0x1,0x1c(%esp,1)
0xc0333de3 <bttv_risc_planar+195>: jb 0xc0333df8 <bttv_risc_planar+216>
0xc0333de5 <bttv_risc_planar+197>: cmpl $0x2,0x64(%esp,1)
0xc0333dea <bttv_risc_planar+202>: je 0xc0333fc3 <bttv_risc_planar+675>
0xc0333df0 <bttv_risc_planar+208>: movl $0x0,0x1c(%esp,1)
0xc0333df8 <bttv_risc_planar+216>: mov 0x4c(%esp,1),%eax
0xc0333dfc <bttv_risc_planar+220>: test %eax,%eax
0xc0333dfe <bttv_risc_planar+222>: mov %eax,0x20(%esp,1)
0xc0333e02 <bttv_risc_planar+226>: je 0xc0333f7a <bttv_risc_planar+602>
0xc0333e08 <bttv_risc_planar+232>: mov 0x14(%esp,1),%edx
0xc0333e0c <bttv_risc_planar+236>: mov 0xc(%edx),%ebx
0xc0333e0f <bttv_risc_planar+239>: cmp %ebx,%edi
0xc0333e11 <bttv_risc_planar+241>: mov %ebx,%eax
0xc0333e13 <bttv_risc_planar+243>: jb 0xc0333e29 <bttv_risc_planar+265>
0xc0333e15 <bttv_risc_planar+245>: addl $0x10,0x14(%esp,1)
0xc0333e1a <bttv_risc_planar+250>: sub %eax,%edi
0xc0333e1c <bttv_risc_planar+252>: mov 0x14(%esp,1),%ecx
0xc0333e20 <bttv_risc_planar+256>: mov 0xc(%ecx),%ebx
0xc0333e23 <bttv_risc_planar+259>: cmp %ebx,%edi
0xc0333e25 <bttv_risc_planar+261>: mov %ebx,%eax
0xc0333e27 <bttv_risc_planar+263>: jae 0xc0333e15 <bttv_risc_planar+245>
0xc0333e29 <bttv_risc_planar+265>: mov 0xc(%esi),%eax
0xc0333e2c <bttv_risc_planar+268>: cmp %eax,%ebp
0xc0333e2e <bttv_risc_planar+270>: mov %eax,0xc(%esp,1)
0xc0333e32 <bttv_risc_planar+274>: jb 0xc0333e46 <bttv_risc_planar+294>
0xc0333e34 <bttv_risc_planar+276>: add $0x10,%esi
0xc0333e37 <bttv_risc_planar+279>: sub %eax,%ebp
0xc0333e39 <bttv_risc_planar+281>: mov 0xc(%esi),%edx
0xc0333e3c <bttv_risc_planar+284>: cmp %edx,%ebp
0xc0333e3e <bttv_risc_planar+286>: mov %edx,0xc(%esp,1)
0xc0333e42 <bttv_risc_planar+290>: mov %edx,%eax
0xc0333e44 <bttv_risc_planar+292>: jae 0xc0333e34 <bttv_risc_planar+276>
0xc0333e46 <bttv_risc_planar+294>: mov 0x5c(%esp,1),%eax
0xc0333e4a <bttv_risc_planar+298>: test %eax,%eax
0xc0333e4c <bttv_risc_planar+300>: je 0xc0333e78 <bttv_risc_planar+344>
0xc0333e4e <bttv_risc_planar+302>: mov 0x10(%esp,1),%ecx
0xc0333e52 <bttv_risc_planar+306>: mov 0xc(%ecx),%eax
0xc0333e55 <bttv_risc_planar+309>: cmp %eax,0x5c(%esp,1)
0xc0333e59 <bttv_risc_planar+313>: jb 0xc0333e78 <bttv_risc_planar+344>
0xc0333e5b <bttv_risc_planar+315>: nop
0xc0333e5c <bttv_risc_planar+316>: lea 0x0(%esi,1),%esi
0xc0333e60 <bttv_risc_planar+320>: addl $0x10,0x10(%esp,1)
0xc0333e65 <bttv_risc_planar+325>: sub %eax,0x5c(%esp,1)
0xc0333e69 <bttv_risc_planar+329>: je 0xc0333e78 <bttv_risc_planar+344>
0xc0333e6b <bttv_risc_planar+331>: mov 0x10(%esp,1),%edx
0xc0333e6f <bttv_risc_planar+335>: mov 0xc(%edx),%eax
0xc0333e72 <bttv_risc_planar+338>: cmp %eax,0x5c(%esp,1)
0xc0333e76 <bttv_risc_planar+342>: jae 0xc0333e60 <bttv_risc_planar+320>
0xc0333e78 <bttv_risc_planar+344>: mov 0x20(%esp,1),%ecx
0xc0333e7c <bttv_risc_planar+348>: mov %ebx,%edx
0xc0333e7e <bttv_risc_planar+350>: sub %edi,%edx
0xc0333e80 <bttv_risc_planar+352>: lea (%ecx,%edi,1),%eax
0xc0333e83 <bttv_risc_planar+355>: cmp %ebx,%eax
0xc0333e85 <bttv_risc_planar+357>: mov 0x1c(%esp,1),%eax
0xc0333e89 <bttv_risc_planar+361>: mov %ecx,%ebx
0xc0333e8b <bttv_risc_planar+363>: cmova %edx,%ebx
0xc0333e8e <bttv_risc_planar+366>: test %eax,%eax
0xc0333e90 <bttv_risc_planar+368>: je 0xc0333fb9 <bttv_risc_planar+665>
0xc0333e96 <bttv_risc_planar+374>: movzbl 0x60(%esp,1),%ecx
0xc0333e9b <bttv_risc_planar+379>: mov %ebx,%eax
0xc0333e9d <bttv_risc_planar+381>: shr %cl,%eax
0xc0333e9f <bttv_risc_planar+383>: lea (%eax,%ebp,1),%eax
0xc0333ea2 <bttv_risc_planar+386>: cmp 0xc(%esp,1),%eax
0xc0333ea6 <bttv_risc_planar+390>: jbe 0xc0333eb0 <bttv_risc_planar+400>
0xc0333ea8 <bttv_risc_planar+392>: mov 0xc(%esp,1),%ebx
0xc0333eac <bttv_risc_planar+396>: sub %ebp,%ebx
0xc0333eae <bttv_risc_planar+398>: shl %cl,%ebx
0xc0333eb0 <bttv_risc_planar+400>: movzbl 0x60(%esp,1),%ecx
0xc0333eb5 <bttv_risc_planar+405>: mov %ebx,%eax
0xc0333eb7 <bttv_risc_planar+407>: shr %cl,%eax
0xc0333eb9 <bttv_risc_planar+409>: mov 0x10(%esp,1),%ecx
0xc0333ebd <bttv_risc_planar+413>: add 0x5c(%esp,1),%eax
0xc0333ec1 <bttv_risc_planar+417>: mov 0xc(%ecx),%edx
0xc0333ec4 <bttv_risc_planar+420>: cmp %edx,%eax
0xc0333ec6 <bttv_risc_planar+422>: jbe 0xc0333ed5 <bttv_risc_planar+437>
0xc0333ec8 <bttv_risc_planar+424>: mov %edx,%ebx
0xc0333eca <bttv_risc_planar+426>: movzbl 0x60(%esp,1),%ecx
0xc0333ecf <bttv_risc_planar+431>: sub 0x5c(%esp,1),%ebx
0xc0333ed3 <bttv_risc_planar+435>: shl %cl,%ebx
0xc0333ed5 <bttv_risc_planar+437>: mov $0x90000000,%edx
0xc0333eda <bttv_risc_planar+442>: mov %edx,%eax
0xc0333edc <bttv_risc_planar+444>: mov 0x20(%esp,1),%ecx
0xc0333ee0 <bttv_risc_planar+448>: or $0x8000000,%eax
0xc0333ee5 <bttv_risc_planar+453>: cmp %ecx,0x4c(%esp,1)
0xc0333ee9 <bttv_risc_planar+457>: cmove %eax,%edx
0xc0333eec <bttv_risc_planar+460>: mov %edx,%eax
0xc0333eee <bttv_risc_planar+462>: or $0x4000000,%eax
0xc0333ef3 <bttv_risc_planar+467>: cmp %ecx,%ebx
0xc0333ef5 <bttv_risc_planar+469>: cmove %eax,%edx
0xc0333ef8 <bttv_risc_planar+472>: mov 0x18(%esp,1),%eax
0xc0333efc <bttv_risc_planar+476>: or %ebx,%edx
0xc0333efe <bttv_risc_planar+478>: mov %edx,(%eax)
0xc0333f00 <bttv_risc_planar+480>: movzbl 0x60(%esp,1),%ecx
0xc0333f05 <bttv_risc_planar+485>: mov %ebx,%edx
0xc0333f07 <bttv_risc_planar+487>: add $0x4,%eax
0xc0333f0a <bttv_risc_planar+490>: mov %eax,0x18(%esp,1)
0xc0333f0e <bttv_risc_planar+494>: shr %cl,%edx
0xc0333f10 <bttv_risc_planar+496>: mov 0x18(%esp,1),%ecx
0xc0333f14 <bttv_risc_planar+500>: mov %edx,%eax
0xc0333f16 <bttv_risc_planar+502>: shl $0x10,%eax
0xc0333f19 <bttv_risc_planar+505>: or %edx,%eax
0xc0333f1b <bttv_risc_planar+507>: mov %eax,(%ecx)
0xc0333f1d <bttv_risc_planar+509>: add $0x4,%ecx
0xc0333f20 <bttv_risc_planar+512>: mov %ecx,0x18(%esp,1)
0xc0333f24 <bttv_risc_planar+516>: mov 0x14(%esp,1),%ecx
0xc0333f28 <bttv_risc_planar+520>: mov 0x8(%ecx),%eax
0xc0333f2b <bttv_risc_planar+523>: mov 0x18(%esp,1),%ecx
0xc0333f2f <bttv_risc_planar+527>: add %edi,%eax
0xc0333f31 <bttv_risc_planar+529>: add %ebx,%edi
0xc0333f33 <bttv_risc_planar+531>: mov %eax,(%ecx)
0xc0333f35 <bttv_risc_planar+533>: mov 0x1c(%esp,1),%eax
0xc0333f39 <bttv_risc_planar+537>: add $0x4,%ecx
0xc0333f3c <bttv_risc_planar+540>: mov %ecx,0x18(%esp,1)
0xc0333f40 <bttv_risc_planar+544>: test %eax,%eax
0xc0333f42 <bttv_risc_planar+546>: je 0xc0333f70 <bttv_risc_planar+592>
0xc0333f44 <bttv_risc_planar+548>: mov 0x8(%esi),%eax
0xc0333f47 <bttv_risc_planar+551>: add %ebp,%eax
0xc0333f49 <bttv_risc_planar+553>: add %edx,%ebp
0xc0333f4b <bttv_risc_planar+555>: mov %eax,(%ecx)
0xc0333f4d <bttv_risc_planar+557>: mov 0x5c(%esp,1),%eax
0xc0333f51 <bttv_risc_planar+561>: add $0x4,%ecx
0xc0333f54 <bttv_risc_planar+564>: mov %ecx,0x18(%esp,1)
0xc0333f58 <bttv_risc_planar+568>: mov 0x10(%esp,1),%ecx
0xc0333f5c <bttv_risc_planar+572>: add 0x8(%ecx),%eax
0xc0333f5f <bttv_risc_planar+575>: mov 0x18(%esp,1),%ecx
0xc0333f63 <bttv_risc_planar+579>: mov %eax,(%ecx)
0xc0333f65 <bttv_risc_planar+581>: add %edx,0x5c(%esp,1)
0xc0333f69 <bttv_risc_planar+585>: add $0x4,%ecx
0xc0333f6c <bttv_risc_planar+588>: mov %ecx,0x18(%esp,1)
0xc0333f70 <bttv_risc_planar+592>: sub %ebx,0x20(%esp,1)
0xc0333f74 <bttv_risc_planar+596>: jne 0xc0333e08 <bttv_risc_planar+232>
0xc0333f7a <bttv_risc_planar+602>: mov 0x1c(%esp,1),%ebx
0xc0333f7e <bttv_risc_planar+606>: add 0x50(%esp,1),%edi
0xc0333f82 <bttv_risc_planar+610>: test %ebx,%ebx
0xc0333f84 <bttv_risc_planar+612>: je 0xc0333f92 <bttv_risc_planar+626>
0xc0333f86 <bttv_risc_planar+614>: mov 0x68(%esp,1),%eax
0xc0333f8a <bttv_risc_planar+618>: add 0x68(%esp,1),%ebp
0xc0333f8e <bttv_risc_planar+622>: add %eax,0x5c(%esp,1)
0xc0333f92 <bttv_risc_planar+626>: incl 0x24(%esp,1)
0xc0333f96 <bttv_risc_planar+630>: mov 0x54(%esp,1),%edx
0xc0333f9a <bttv_risc_planar+634>: cmp %edx,0x24(%esp,1)
0xc0333f9e <bttv_risc_planar+638>: jb 0xc0333dac <bttv_risc_planar+140>
0xc0333fa4 <bttv_risc_planar+644>: mov 0x18(%esp,1),%eax
0xc0333fa8 <bttv_risc_planar+648>: mov 0x40(%esp,1),%ecx
0xc0333fac <bttv_risc_planar+652>: mov %eax,0x8(%ecx)
0xc0333faf <bttv_risc_planar+655>: xor %eax,%eax
0xc0333fb1 <bttv_risc_planar+657>: add $0x28,%esp
0xc0333fb4 <bttv_risc_planar+660>: pop %ebx
0xc0333fb5 <bttv_risc_planar+661>: pop %esi
0xc0333fb6 <bttv_risc_planar+662>: pop %edi
0xc0333fb7 <bttv_risc_planar+663>: pop %ebp
0xc0333fb8 <bttv_risc_planar+664>: ret
0xc0333fb9 <bttv_risc_planar+665>: mov $0xb0000000,%edx
0xc0333fbe <bttv_risc_planar+670>: jmp 0xc0333eda <bttv_risc_planar+442>
0xc0333fc3 <bttv_risc_planar+675>: xor %eax,%eax
0xc0333fc5 <bttv_risc_planar+677>: testl $0x3,0x24(%esp,1)
0xc0333fcd <bttv_risc_planar+685>: sete %al
0xc0333fd0 <bttv_risc_planar+688>: mov %eax,0x1c(%esp,1)
0xc0333fd4 <bttv_risc_planar+692>: jmp 0xc0333df8 <bttv_risc_planar+216>
0xc0333fd9 <bttv_risc_planar+697>: mov 0x24(%esp,1),%ecx
0xc0333fdd <bttv_risc_planar+701>: xor $0x1,%ecx
0xc0333fe0 <bttv_risc_planar+704>: and $0x1,%ecx
0xc0333fe3 <bttv_risc_planar+707>: mov %ecx,0x1c(%esp,1)
0xc0333fe7 <bttv_risc_planar+711>: jmp 0xc0333df8 <bttv_risc_planar+216>
End of assembler dump.