Date: Wed, 1 Oct 2014 22:53:54 -0400 From: Chris Ross <cross+freebsd@distal.com> To: John-Mark Gurney <jmg@funkthat.com> Cc: freebsd-sparc64@freebsd.org Subject: Re: FreeBSD 10-STABLE/sparc64 panic Message-ID: <0686B43F-94CC-48BA-81B6-5FBEAF9713EC@distal.com> In-Reply-To: <20140929042249.GK43300@funkthat.com> References: <CA75738D-066D-4EDC-9018-89936EE861C6@distal.com> <AB5649B5-BBFB-4284-9CFF-4784D28A18F3@distal.com> <A9D37635-CA61-401B-BEAE-14C4F370BFD6@distal.com> <BC35853D-DA5E-4799-947C-4C64A0BC7D36@distal.com> <D9350E94-1F01-4FFD-A51E-AD8761F5C9CF@distal.com> <E48E7175-310B-4449-B3E1-2058F9E681D0@distal.com> <323A3936-DE55-459A-B8AA-CFF463922F22@distal.com> <7DD7D2DC-A265-40D6-9995-16ABAF79C1FB@distal.com> <AF5EA0E6-860B-47DF-AC5E-6A45317C6092@distal.com> <456226AE-0712-4510-AEF5-2053F36F2181@distal.com> <20140929042249.GK43300@funkthat.com>
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On Sep 29, 2014, at 00:22 , John-Mark Gurney <jmg@funkthat.com> wrote:
> If you could get a core dump (call doadump) that'd be good, but dumping
> the stack of the tid that held the spinlock too long would be a good
> start..
I fear I'm going to need some help doing this. I'm not sure what I need to
do to get into ddb. (And, after that, I'm not sure how to dump the stack of
the tld that held the spinlock)
When the kernel panics, it says
Automatic reboot in 15 seconds - press a key on the console to abort
I'd hoped that pressing a key, or sending a break, would invoke ddb, but
all either of those accomplishes is the next message:
--> Press a key on the console to reboot,
--> or switch off the system now.
And then another causes a reboot. Does GENERIC not include KDB/DDB
in the config? I'll check that once I get the system back up...
- Chris
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