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Re: Kernel panic in AppleFWOHCI_DMAManager::addDCLProgram

I think it's possible..

What troubles have you had with FireLog?

.niels

On Oct 31, 2005, at 12:04 PM, Chris Thomas wrote:

Build 8C46. Stock install. I've found FireLog pretty unreliable, but I'll give it a shot if you think the OHCI driver will tell me anything interesting.

Chris

On Oct 31, 2005, at 2:23 PM, Niels wrote:


Hi Chris -

Can you tell me exactly which version of OS X you are using? Also, do you have any FireWire SDKs or debug components installed? You could try running the debug components from the FireWire SDK and check the FireLog output... There may be some diagnostic information there...

.niels

On Oct 31, 2005, at 7:05 AM, Chris Thomas wrote:



Any ideas why this might happen? It would be super handy to have the OHCI source code available...

10.4.2 on a dual G4 1.1

#0  0x00a61114 in AppleFWOHCI_DMAManager::addDCLProgram ()
#1  0x00a5c07c in AppleFWOHCI_DCLProgram::allocateHW ()
#2  0x005a5b7c in IOFWLocalIsochPort::allocatePort ()
#3  0x0058a264 in IOFWIsochChannel::allocateChannel ()

0x00a610f8 <...addDCLProgram...+472>: bl 0x2ae0ac <IOLog>
0x00a610fc <...addDCLProgram...+476>: lis r3,167
0x00a61100 <...addDCLProgram...+480>: mr r4,r26
0x00a61104 <...addDCLProgram...+484>: addi r3,r3,-16060
0x00a61108 <...addDCLProgram...+488>: bl 0x2ae0ac <IOLog>
0x00a6110c <...addDCLProgram...+492>: cmpwi cr7,r27,0
0x00a61110 <...addDCLProgram...+496>: bne- cr7,0xa6111c < +508>
0x00a61114 <...addDCLProgram...+500>: stw r25,20 (r31) <--
0x00a61118 <...addDCLProgram...+504>: stw r24,24(r31)
0x00a6111c <...addDCLProgram...+508>: lwz r3,32(r26)
0x00a61120 <...addDCLProgram...+512>: bl 0xa4ac0 <mutex_unlock_rwcmb>
0x00a61124 <...addDCLProgram...+516>: lwz r0,104(r1)
0x00a61128 <...addDCLProgram...+520>: addi r1,r1,96
0x00a6112c <...addDCLProgram...+524>: mr r3,r31

r31 is NULL.

Thanks,
Chris
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References: 
 >Kernel panic in AppleFWOHCI_DMAManager::addDCLProgram (From: Chris Thomas <email@hidden>)
 >Re: Kernel panic in AppleFWOHCI_DMAManager::addDCLProgram (From: Niels <email@hidden>)
 >Re: Kernel panic in AppleFWOHCI_DMAManager::addDCLProgram (From: Chris Thomas <email@hidden>)



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