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To: John Baldwin <jhb@freebsd.org>
Subject: Re: r259072 is not a happy camper...
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From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
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Date: Sat, 14 Dec 2013 08:44:39 +0000
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In message <201312131620.25107.jhb@freebsd.org>, John Baldwin writes:

>> >Hmmm.  Maybe do 'show lapic' and 'show apic' in ddb and paste that here?
>> 
>> sorry about the delay...
>> 
>> db> show lapic
>> lapic ID = 2
>> version  = 1.0
>> max LVT  = 5
>> SVR      = ff (enabled)
>> TPR      = 00
>> In-service Interrupts:
>
>Hmm, this is empty.  It should not be empty. :(
>
>Never the less, the panic is further down than I thought it was.  The system 
>thinks it had a valid IRQ that required an ithread to be scheduled, but when
>it went to schedule the ithread, there was no thread to schedule:

>Does it get a crashdump if you try?

No :-(

There may be a connection to unclean UFS filesystems (SU + TRIM, no J).

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.