iwUN(ʻHZ VhV2M;xML#28io(6lZuv%(MUHdѱYRȬdSE}jL>f)"h GO+,O{T#nb #3՚s}(W7aRb_7Q| ]:Xuy2A` Z!''n(/y~"2+)?g4v z,U}u?e)55[fO'0b.\yZb[@P~^~Lo:! ټ 6VnH_!އ.:fAdW$5vovFXQ=X1Y fQ.!cQb2MҟoE#g4%@ kax;w_ly,2\,y+/)̎8h_B쁙qpJK-:Z'g!R^kfNv8wnE =U5 7fN}o>7[N+!ek(ADQD7fN wjjr W* Aޛ uP-z_ *R3`Bb$L#lfM+,C]gWhDf:мPꅤW&u2bn\v79ˀQ|ZV~^,'N=yh_u[+O%~`\] /;Js7g\ͪ_Qw9Z02hj⿝ FONR3yx`;#%ljq2hiDnQb*)oLL\Fn޸n8J^:eln:PL|z:N^mHҷ<`dbZdBpOU 3/B&RM7֘Ȯ/T*@uX"FÈ$ n<}A&[u6<0F:ly袻HO)1vZ"8 :ǁ qo_vf6$ܡU~3L .rVBga쥕&RW|ܙFJҘ7TC?<\VP"!P "=n2X Vd%B\|7l^fp{drz՟Ma&rܭf ff 21 e0 55 89 e5 57 56 53 8b 00 81 b8 e4 01 00 00 0f 27 00 00 75 08 <0f> 0b 22 03 85 18 2f c0 8b 45 08 50 e8 30 d4 00 00 89 c7 83 c4 >>EIP; c014fedf No symbols available <===== Trace; c0109213 No symbols available This architecture has variable length instructions, decoding before eip is unreliable, take these instructions with a pinch of salt. Code; c014feb4 No symbols available 00000000 <_EIP>: Code; c014feb4 No symbols available 0: 14 98 adc $0x98,%al Code; c014feb6 No symbols available 2: f0 81 41 04 00 00 00 lock addl $0x1000000,0x4(%ecx) Code; c014febd No symbols available 9: 01 Code; c014febe No symbols available a: 5b pop %ebx Code; c014febf No symbols available b: 89 ec mov %ebp,%esp Code; c014fec1 No symbols available d: 5d pop %ebp Code; c014fec2 No symbols available e: c3 ret Code; c014fec3 No symbols available f: 90 nop Code; c014fec4 No symbols available 10: b8 00 e0 ff ff mov $0xffffe000,%eax Code; c014fec9 No symbols available 15: 21 e0 and %esp,%eax Code; c014fecb No symbols available 17: 55 push %ebp Code; c014fecc No symbols available 18: 89 e5 mov %esp,%ebp Code; c014fece No symbols available 1a: 57 push %edi Code; c014fecf No symbols available 1b: 56 push %esi Code; c014fed0 No symbols available 1c: 53 push %ebx Code; c014fed1 No symbols available 1d: 8b 00 mov (%eax),%eax Code; c014fed3 No symbols available 1f: 81 b8 e4 01 00 00 0f cmpl $0x270f,0x1e4(%eax) Code; c014feda No symbols available 26: 27 00 00 Code; c014fedd No symbols available 29: 75 08 jne 33 <_EIP+0x33> c014fee7 No symbols available This decode from eip onwards should be reliable Code; c014fedf No symbols available 00000000 <_EIP>: Code; c014fedf No symbols available <===== 0: 0f 0b ud2a <===== Code; c014fee1 No symbols available 2: 22 03 and (%ebx),%al Code; c014fee3 No symbols available 4: 85 18 test %ebx,(%eax) Code; c014fee5 No symbols available 6: 2f das Code; c014fee6 No symbols available 7: c0 8b 45 08 50 e8 30 rorb $0x30,0xe8500845(%ebx) Code; c014feed No symbols available e: d4 00 aam $0x0 Code; c014feef No symbols available 10: 00 .byte 0x0 Code; c014fef0 No symbols available 11: 89 c7 mov %eax,%edi Code; c014fef2 No symbols available 13: 83 .byte 0x83 Code; c014fef3 No symbols available 14: c4 .byte 0xc4 --- 25-akpm/arch/i386/kernel/traps.c | 18 ++++++++++-------- 1 files changed, 10 insertions(+), 8 deletions(-) diff -puN arch/i386/kernel/traps.c~oops-dump-preceding-code arch/i386/kernel/traps.c --- 25/arch/i386/kernel/traps.c~oops-dump-preceding-code Wed Mar 10 15:47:34 2004 +++ 25-akpm/arch/i386/kernel/traps.c Wed Mar 10 15:48:20 2004 @@ -210,7 +210,7 @@ void show_registers(struct pt_regs *regs ss = regs->xss & 0xffff; } print_modules(); - printk("CPU: %d\nEIP: %04x:[<%08lx>] %s\nEFLAGS: %08lx" + printk("CPU: %d\nEIP: %04x:[<%08lx>] %s VLI\nEFLAGS: %08lx" " (%s) \n", smp_processor_id(), 0xffff & regs->xcs, regs->eip, print_tainted(), regs->eflags, UTS_RELEASE); @@ -228,23 +228,25 @@ void show_registers(struct pt_regs *regs * time of the fault.. */ if (in_kernel) { + u8 *eip; printk("\nStack: "); show_stack(NULL, (unsigned long*)esp); printk("Code: "); - if(regs->eip < PAGE_OFFSET) - goto bad; - for(i=0;i<20;i++) - { + eip = (u8 *)regs->eip - 43; + for (i = 0; i < 64; i++, eip++) { unsigned char c; - if(__get_user(c, &((unsigned char*)regs->eip)[i])) { -bad: + + if (eip < (u8 *)PAGE_OFFSET || __get_user(c, eip)) { printk(" Bad EIP value."); break; } - printk("%02x ", c); + if (eip == (u8 *)regs->eip) + printk("<%02x> ", c); + else + printk("%02x ", c); } } printk("\n"); _