On Fri, 2005-11-18 at 12:57 -0800, Kenny Simpson wrote:
> strace causes the kernel to croak:
> 
> cd /tmp
> strace ls
> *BOOM*
> 
> Nov 18 15:44:31 tux6127 kernel: [  221.522945] c0126b5b
> Nov 18 15:44:31 tux6127 kernel: [  221.523069] PREEMPT SMP DEBUG_PAGEALLOC
> Nov 18 15:44:31 tux6127 kernel: [  221.523268] Modules linked in: autofs4 parport_pc parport
> floppy rtc i2c_i801 i2c_core generic usbhid uhci_hcd tg3 snd_intel8x0 snd_ac97_codec snd_ac97_bus
> snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc ehci_hcd usbcore mousedev
> e1000 bcm5700 unix
> Nov 18 15:44:31 tux6127 kernel: [  221.524392] CPU:    0
> Nov 18 15:44:31 tux6127 kernel: [  221.524393] EIP:    0060:[<c0126b5b>]    Not tainted VLI
> Nov 18 15:44:31 tux6127 kernel: [  221.524394] EFLAGS: 00010202   (2.6.15-rc1-mm2) 
> Nov 18 15:44:31 tux6127 kernel: [  221.524525] EIP is at ptrace_check_attach+0x24/0xc4



Christoph sent this patch earlier, which fixed same problem for me.


Thanks,
Badari