...
> > original non-g built vmlinux, things would work.
> >
> > In your case, it's defaulting to the /usr/src/linux/System.map, which is
> > associated with the vmlinux that you built with -g.
> >
> > Presuming you have the /boot/System.map associated with the original
> > distro's vmlinux file (the kernel that's running), what happens if you do
> > this:
> >
> > $ crash vmlinux /boot/System.map [vmcore]
Much better with /boot/System.map.
elm3a242:/usr/src/linux # /root/cr*23/crash vmlinux /boot/System.map-2.6.16-20-smp
crash 4.0-2.23
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This GDB was configured as "x86_64-unknown-linux-gnu"...
SYSTEM MAP: /boot/System.map-2.6.16-20-smp
DEBUG KERNEL: vmlinux (2.6.16-20-smp)
DUMPFILE: /dev/mem
CPUS: 2
DATE: Thu Apr 27 03:18:57 2006
UPTIME: 16:47:17
LOAD AVERAGE: 0.00, 0.00, 0.00
TASKS: 64
NODENAME: elm3a242
RELEASE: 2.6.16-20-smp
VERSION: #1 SMP Mon Apr 10 04:51:13 UTC 2006
MACHINE: x86_64 (3000 Mhz)
MEMORY: 4.6 GB
PID: 12963
COMMAND: "crash"
TASK: ffff810121ef5790 [THREAD_INFO: ffff81011d3c4000]
CPU: 1
STATE: TASK_RUNNING (ACTIVE)
crash> dis sys_read
0xffffffff8017b751 <sys_read>: push %r13
0xffffffff8017b753 <sys_read+2>: mov %rsi,%r13
0xffffffff8017b756 <sys_read+5>: push %r12
0xffffffff8017b758 <sys_read+7>: mov $0xfffffffffffffff7,%r12
0xffffffff8017b75f <sys_read+14>: push %rbp
0xffffffff8017b760 <sys_read+15>: mov %rdx,%rbp
0xffffffff8017b763 <sys_read+18>: push %rbx
0xffffffff8017b764 <sys_read+19>: sub $0x18,%rsp
0xffffffff8017b768 <sys_read+23>: lea 0x14(%rsp),%rsi
0xffffffff8017b76d <sys_read+28>: callq 0xffffffff8017bce3
<fget_light>
0xffffffff8017b772 <sys_read+33>: test %rax,%rax
0xffffffff8017b775 <sys_read+36>: mov %rax,%rbx
0xffffffff8017b778 <sys_read+39>:
je 0xffffffff8017b7b1 <sys_read+96>
0xffffffff8017b77a <sys_read+41>: mov 0x38(%rax),%rax
0xffffffff8017b77e <sys_read+45>: lea 0x8(%rsp),%rcx
0xffffffff8017b783 <sys_read+50>: mov %rbp,%rdx
0xffffffff8017b786 <sys_read+53>: mov %r13,%rsi
0xffffffff8017b789 <sys_read+56>: mov %rbx,%rdi
0xffffffff8017b78c <sys_read+59>: mov %rax,0x8(%rsp)
0xffffffff8017b791 <sys_read+64>: callq 0xffffffff8017b2ef
<vfs_read>
0xffffffff8017b796 <sys_read+69>: mov %rax,%r12
0xffffffff8017b799 <sys_read+72>: mov 0x8(%rsp),%rax
