Re: [Qemu-devel] setting up breakpoints - kernel debugging help wit gdb in qemu-kvm

[Mulyadi Santosa]

Hi...

On Wed, Aug 22, 2012 at 6:53 AM, Onkar <address@hidden> wrote:
>
> # ./qemu-system-x86_64 -m 2048 -smp 4 -vga std -vnc :5 -drive
> file=/sda4/bin/disk/disk0.img,cache=writeback -S -s
>
> (gdb) symbol-file /sda4/kvm/vmlinux
> Reading symbols from /sda4/kvm/vmlinux...done.
> (gdb) target remote :1234
> Remote debugging using :1234
> 0x0000000000000000 in ?? ()
> (gdb) b kmem_cache_alloc
> Breakpoint 1 at 0xffffffff81121adb: file mm/slub.c, line 2375. (2
> locations)
> (gdb) c

can you re run with out using -smp (IOW, just use one CPU)?

Also, which qemu version do you use? is this with or without KVM?


-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

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