Recent kernels may freeze dual 2.5 GHz PowerMac G5s

[Maurice Volaski]

Posted here FYI...

>The patch below works. Thanks.
>
>>Maurice Volaski writes:
>>  > I am running Gentoo with a fresh 2.6.11-r1. I have all the kernel
>>  > debugging options turned on. Occasionally, I can get past the boot
>>  > process, but half the time it freezes somewhere along the way. If
>>  > not, I do get to boot, it doesn't take very long for it to freeze.
>>
>>Did 2.6.10 work Ok? Try the patch below, it fixes 2.6.11-rc1 boot
>>lockups on both my Beige G3 (locks up in ADB driver) and my G4 eMac
>>(locks up in radeonfb).
>>
>>--- linux-2.6.11-rc1/init/main.c.~1~	2005-01-15 03:30:25.000000000 +0100
>>+++ linux-2.6.11-rc1/init/main.c	2005-01-15 03:31:44.000000000 +0100
>>@@ -377,7 +377,7 @@ static void noinline rest_init(void)
>>  	 * Re-enable preemption but disable interrupts to make sure
>>  	 * we dont get preempted until we schedule() in cpu_idle().
>>  	 */
>>-	local_irq_disable();
>>+//	local_irq_disable();
>>  	preempt_enable_no_resched();
>>  	unlock_kernel();
>>  	cpu_idle();


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Maurice Volaski, mvolaski at aecom.yu.edu
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University
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Maurice Volaski, mvolaski at aecom.yu.edu
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University