[parisc-linux] Re:[parisc-linux-cvs] linux-2.6 kyle

[Joel Soete]

Joel Soete wrote:
>>>Joel is working on the stack dump routine...
>>>
>>>-ffreestanding implies: -fno-builtin 
>>>
>>>The stack dump routine uses __builtin_* functions, so that will not work.
>>
>>have you tried it?
>>
> 
> yes and even thought the use of __builtin_return_address(0) in a unwind_frame
> routine the kernel build finished without pb (well I still need to learn more
> about this option)?
> 
> my stress test is on going to run but only runing for few hours.
> 
> (I also noticed this compile option for mips and i386. Only this last one
> added comment:
> # temporary until string.h is fixed
> ?)
> 
:_( (I have hoping but) that doesn't fix the soft lockup pb:
patst007 login: BUG: soft lockup detected on CPU#0!
show_stack(1).
Backtrace:
  [<101560d8>] softlockup_tick+0xd4/0x148
  [<1013be90>] update_process_times+0x3c/0x88
  [<101091dc>] timer_interrupt+0xd0/0x1b0
  [<10156534>] handle_IRQ_event+0x5c/0xa4
  [<10156614>] __do_IRQ+0x98/0x1d0
  [<10109960>] do_cpu_irq_mask+0xdc/0x194
  [<1010c068>] intr_return+0x0/0x1c


> Thanks,
>     Joel
> 
> PS: Just for the log, previous this stuff I also try to avoid unwind_frame_...
sorry: i mean 'to avoid print_symbol() in do_show_stack()'

> by unchecking CONFIG_KALLSYMS but it didn't help, the system was always
> hanging just after displaying latest Backtrace info.
>