On 08/05/2017 04:11 AM, David Sommerseth wrote:
> On 05/08/17 09:18, ToddAndMargo wrote:
>> On 08/01/2017 11:17 AM, ToddAndMargo wrote:
>>> Hi All,
>>>
>>> Twice now in a month, on booting up my SL 7.3 computer,
>>> after entering my LUKS passphrase, it freezes
>>> at "Disabling IRQ 16".  <ctrl>alt><f2> doesn't
>>> do a thing. Everything is frozen.  The one fingered
>>> reset works.
>>>
>>> Am I starting to lose my motherboard or is this a "feature"
>>> of 7.3?
>>>
>>>
>>> Many thanks,
>>> -T
>>>
>>
>> I tried adding "irqpoll" to my kernel run line (grub.cfg).
>>
>> After rebooting, I noticed that right after "Disabling IRQ16", I got an
>> "irq18 nobody cares (try booting with irqpoll option)".  Then it ran for
>> a bit and OH NO "Kernel panic: CPU 4 PID 0 comm: swapper/4 tainted" and
>> my keyboard's light started flashing.
>>
>> The kernel panic reproduced twice before I removed "irqpoll" and I was
>> able to boot again.
>>
>> Did this tell us something?
> 
> Have you looked into the BIOS/UEFI settings in regards to which devices
> uses IRQ 16 or IRQ 18?  What kind of motherboard is it?

My motherboard is a Supermicro X8SAX
http://www.supermicro.com/products/motherboard/Xeon3000/X58/X8SAX.cfm

I will have to ask supermicro what those two IRQs are for.





-- 
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Computers are like air conditioners.
They malfunction when you open windows
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