Messages in this thread | | | Date | Thu, 3 Apr 2003 04:12:48 -0500 (EST) | From | Zwane Mwaikambo <> | Subject | Oops on netdevice down w/ 2.5.66 |
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I'm posting this in case someone would like to have a look, please ask if you need more debug info, this one seems to happen on device shutdown. The backtrace looks pretty revealing too but i won't have time to look at this until later tommorrow. The system was 8 way PIII 700
Shutting down loopback interface: Unable to handle kernel paging request at vir tual address 631cc03a printing eip: c0129935 *pde = 6b6b6b6b Oops: 0000 [#1] CPU: 4 EIP: 0060:[<c0129935>] Not tainted EFLAGS: 00010286 EIP is at unregister_sysctl_table+0x5/0x30 eax: 631cc032 ebx: 631cc032 ecx: 00000000 edx: e268e000 esi: f7d662d4 edi: f7d662d4 ebp: f6a224e0 esp: e268fbd4 ds: 007b es: 007b ss: 0068 Process ip (pid: 12678, threadinfo=e268e000 task=e2590660) Stack: f7c8180a c02c207b 631cc032 00000000 c02c0137 f7d662f8 e268e000 00000001 0100007f e268e000 00000000 f6a224e0 00000001 c02c054f f7d662d4 f6a224e0 00000001 00000000 00000296 00000296 f7d662d4 000000ff 0100007f f1191c88 Call Trace: [<c02c207b>] devinet_sysctl_unregister+0x1b/0x28 [<c02c0137>] inetdev_destroy+0x97/0x180 [<c02c054f>] inet_del_ifa+0x26f/0x280 [<c02c0a84>] inet_rtm_deladdr+0x114/0x150 [<c0286bc8>] rtnetlink_rcv+0x358/0x540 [<c028f11c>] netlink_destroy_callback+0x2c/0x40 [<c011f5d6>] __wake_up+0x66/0xb0 [<c028f01a>] netlink_data_ready+0x1a/0x60 [<c028e775>] netlink_unicast+0x385/0x3d0 [<c011f4f0>] default_wake_function+0x0/0x20 [<c011f4f0>] default_wake_function+0x0/0x20 [<c027a823>] alloc_skb+0xe3/0x270 [<c028ee1c>] netlink_sendmsg+0x29c/0x2b0 [<c0276cdf>] sock_sendmsg+0x7f/0xa0 [<c027687b>] move_addr_to_user+0x5b/0x80 [<c027870c>] sys_recvmsg+0x1dc/0x1f0 [<c02767ff>] move_addr_to_kernel+0x4f/0x70 [<c0276b01>] sockfd_lookup+0x11/0x70 [<c0278080>] sys_sendto+0xd0/0xf0 [<c027887b>] sys_socketcall+0x15b/0x220 [<c010aecf>] syscall_call+0x7/0xb
Code: 8b 53 08 8b 43 04 89 50 04 89 02 8b 0d b8 59 40 c0 51 8b 13
(gdb) list *unregister_sysctl_table+0x4 0xc0129934 is in unregister_sysctl_table (kernel/sysctl.c:629). 624 * 625 * Unregisters the sysctl table and all children. proc entries may not 626 * actually be removed until they are no longer used by anyone. 627 */ 628 void unregister_sysctl_table(struct ctl_table_header * header) 629 { 630 list_del(&header->ctl_entry); 631 #ifdef CONFIG_PROC_FS 632 unregister_proc_table(header->ctl_table, proc_sys_root); 633 #endif
(gdb) disassemble unregister_sysctl_table Dump of assembler code for function unregister_sysctl_table: 0xc0129930 <unregister_sysctl_table>: push %ebx 0xc0129931 <unregister_sysctl_table+1>: mov 0x8(%esp,1),%ebx 0xc0129935 <unregister_sysctl_table+5>: mov 0x8(%ebx),%edx 0xc0129938 <unregister_sysctl_table+8>: mov 0x4(%ebx),%eax 0xc012993b <unregister_sysctl_table+11>: mov %edx,0x4(%eax) 0xc012993e <unregister_sysctl_table+14>: mov %eax,(%edx) 0xc0129940 <unregister_sysctl_table+16>: mov 0xc04059b8,%ecx 0xc0129946 <unregister_sysctl_table+22>: push %ecx 0xc0129947 <unregister_sysctl_table+23>: mov (%ebx),%edx 0xc0129949 <unregister_sysctl_table+25>: push %edx
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