DFly-stable as of April 1st crashed, but no crash dump was possible due to ips driver being unable to do crash dumps

[Matthew Dillon]

:Raphael Marmier wrote:
:> Joerg Sonnenberger wrote:
:> 
:>> On Sat, Apr 02, 2005 at 07:04:30PM +0200, Raphael Marmier wrote:
:>>
:>>> I am unable to get a crash dump through the ddb and typing panic and 
:>>> hitting enter twice. I end up in the same state as you discribe.
:>>>
:>>> hint anyone?
:>>
:>>
:>>
:>> What interrupt masks does it show?
:> 
:> 
:> I since just hacked syscons.c so panic() is called in place of 
:> Debugger() when I hit cntl-alt-esc.
:> The aforementionned problem doesn't happen and it goes past the 'syncing 
:> disks ...', then when I type continue, it does (eureka!) save core.
:> 
:> I will now restore my kernel to the normal state in order to really 
:> answer your question.
:> 
:> Raphael
:I don't see what this interrupt mask is. The closest I see is about an 
:intr_mux(...) at intr_mux+0x21
:
:What happens is that I get "syncing disks ... " Then every 5-10 seconds 
:a "CHKTOKEN loop 0" message, forever.
:
:Raphael

    You should only need to 'sysctl kern.sync_on_panic=0' for it to be
    able to get past the syncing disks code. 

					-Matt
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>