On Wed, 1 Nov 2006 18:48:56 -0800 Stephen Hemminger <[EMAIL PROTECTED]> wrote:
> On Wed, 01 Nov 2006 17:49:31 -0800 (PST) > David Miller <[EMAIL PROTECTED]> wrote: > > > From: Stephen Hemminger <[EMAIL PROTECTED]> > > Date: Wed, 01 Nov 2006 16:56:35 -0800 > > > > > My desktop machine (Fedora Core 6) crashed on during shutdown when > > > running latest > > > 2.6.19-rc4 kernel. Machine is UP Amd64. > > > > > > It looks like a null dereference in ip_conntrack. See screenshot. > > > > > > http://picasaweb.google.com/stephen.hemminger/LinuxCrashes/photo#4992593950061821970 > > > > Can some x86_64 expert decode this? I'm trying to figure out what > > object is being NULL defer'd, and after taking a quick look at > > this dump I can't figure it out. > > > > I suspect there may also be a OOPS right before this one, I also > > wonder if this was actually a BUG_ON() trigger. > > - > > To unsubscribe from this list: send the line "unsubscribe netdev" in > > the body of a message to [EMAIL PROTECTED] > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Instruction decode of ip_conntrack:destroy_conntrack+0xfc = 0x21ce > > 2177: 75 0a jne 2183 <destroy_conntrack+0xb1> > 2179: 0f 0b ud2a > 217b: 68 00 00 00 00 pushq $0x0 > 2180: c2 56 01 retq $0x156 > 2183: 48 8b 41 08 mov 0x8(%rcx),%rax > 2187: 48 89 42 08 mov %rax,0x8(%rdx) > 218b: 48 89 10 mov %rdx,(%rax) > 218e: 48 c7 41 08 00 02 20 movq $0x200200,0x8(%rcx) > 2195: 00 > 2196: 48 c7 83 f8 00 00 00 movq $0x100100,0xf8(%rbx) > 219d: 00 01 10 00 > 21a1: ff 05 00 00 00 00 incl 0(%rip) # 21a7 > <destroy_conntrack+0xd5> > 21a7: bf 01 00 00 00 mov $0x1,%edi > 21ac: e8 00 00 00 00 callq 21b1 <destroy_conntrack+0xdf> > 21b1: e8 00 00 00 00 callq 21b6 <destroy_conntrack+0xe4> > 21b6: 48 8b 53 58 mov 0x58(%rbx),%rdx > 21ba: 48 85 d2 test %rdx,%rdx > 21bd: 74 0f je 21ce <destroy_conntrack+0xfc> > 21bf: ff 0a decl (%rdx) > 21c1: 0f 94 c0 sete %al > 21c4: 84 c0 test %al,%al > 21c6: 74 06 je 21ce <destroy_conntrack+0xfc> > 21c8: 48 89 d7 mov %rdx,%rdi > 21cb: ff 52 08 callq *0x8(%rdx) > 21ce: 48 89 df mov %rbx,%rdi <--- last visible > spot in back trace > 21d1: 5b pop %rbx > 21d2: e9 00 00 00 00 jmpq 21d7 <invert_tuplepr> > It might be in ip_conntrack_netbios? - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
