[Fwd: [Crash-utility] crash warnings]

[Badari Pulavarty]

...

> > 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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  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