I haven't seen this, but I don't use KDB.

If you remove KDB, does the problem go away?

I assume you can turn off CONFIG_IPMI_PANIC_EVENT in the kernel config 
and you can work properly.  There's not actually a lot of value in 
having IPMI panic events and KDB enabled at the same time.

-corey


Martin Hicks wrote:
> Hi,
>
> I've been playing with the KDB kernel debugger, and trying to figure out
> why it doesn't enter into the debugger during a kernel panic.  I tracked
> the problem to the IPMI panic handler.
>
> When I have the Sytem Interface option enabled in the kernel (or the
> ipmi_si module loaded), I don't get to KDB and the system just hangs in
> the first i_ipmi_request() in the send_panic_events() function.
>
> Without the SI loaded, the rest of the panic handlers run and eventually
> the KDB panic handler is invoked.
>
> I'm not sure if this is device-specific, but here are the ipmi-related
> dmesg:
>
> [    5.356557] ipmi message handler version 39.2
> [    5.369593] ipmi device interface
> [    5.379627] IPMI System Interface driver.
> [    5.391644] ipmi_si: Trying SMBIOS-specified kcs state machine at i/o 
> address 0xca2, slave address 0x20, irq 0
> [    5.503192] ipmi: Found new BMC (man_id: 0x000157,  prod_id: 0x0028, 
> dev_id: 0x20)
> [    5.525939] IPMI kcs interface initialized
>
>
> I've reproduced this on the SuSE sles11 kernel as well as upstream
> kernels (2.6.28 and up to 2.6.31-rc2).
>
> Any ideas?
> mh
>
>   


------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day 
trial. Simplify your report design, integration and deployment - and focus on 
what you do best, core application coding. Discover what's new with 
Crystal Reports now.  http://p.sf.net/sfu/bobj-july
_______________________________________________
Openipmi-developer mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/openipmi-developer

Reply via email to