[DragonFlyBSD - Bug #1844] (Closed) gdb detach from vkernel causes vkernel to die with SIGILL

Antonio M. Huete Jimenez via Redmine bugtracker-admin at leaf.dragonflybsd.org
Sun Mar 10 07:51:28 PDT 2013


Issue #1844 has been updated by tuxillo.

Status changed from New to Closed
Assignee deleted (0)

Hi Venk,

I'm fairly confident this is not happening anymore.
Closing this ticket.

Cheers,
Antonio Huete
----------------------------------------
Bug #1844: gdb detach from vkernel causes vkernel to die with SIGILL
http://bugs.dragonflybsd.org/issues/1844

Author: vsrinivas
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 


Connected to a vkernel running on leaf with gdb; when I detached, the vkernel 
was killed with SIGILL.

PC is marked with *, per core dump. Kernel and core are in leaf:~vsrinivas/ill.

0x08266e51 <kern_trap+0>:	push   %ebp
0x08266e52 <kern_trap+1>:	mov    %esp,%ebp
0x08266e54 <kern_trap+3>:	push   %edi
0x08266e55 <kern_trap+4>:	push   %esi
0x08266e56 <kern_trap+5>:	push   %ebx
0x08266e57 <kern_trap+6>:	sub    $0x14,%esp
0x08266e5a <kern_trap+9>:	mov    0x8(%ebp),%edi
0x08266e5d <kern_trap+12>:	mov    %fs:0x0,%ebx
****0x08266e64 <kern_trap+19>:	mov    0x4(%ebx),%esi
0x08266e67 <kern_trap+22>:	mov    0x64(%esi),%eax
0x08266e6a <kern_trap+25>:	mov    %eax,-0x18(%ebp)
0x08266e6d <kern_trap+28>:	mov    0x110(%esi),%edx
0x08266e73 <kern_trap+34>:	mov    %edx,-0x14(%ebp)
0x08266e76 <kern_trap+37>:	mov    0x48(%esi),%eax
0x08266e79 <kern_trap+40>:	mov    %eax,-0x20(%ebp)
0x08266e7c <kern_trap+43>:	mov    0x4c(%esi),%edx
0x08266e7f <kern_trap+46>:	mov    %edx,-0x1c(%ebp)
0x08266e82 <kern_trap+49>:	cmpl   $0xc,0x34(%edi)
0x08266e86 <kern_trap+53>:	je     0x8266e91 <kern_trap+64>


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