[DragonFlyBSD - Bug #2560] latest 3.5 is now locking up consistently with cache_lock: blocked messages

[John Marino via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2560 has been updated by marino.


After 3 times on the latest kernel, I tried again on the last of Release 3.4 branch.
Same thing.
It's starting to look like a hardware issue.  The symptoms are similar to what happened when the Crucial M4 firmware bug was hit.

I uploaded the core.txt here:
http://leaf.dragonflybsd.org/~marino/core/core.cache-lock-block.txt

Core itself available upon request (71M, I can upload to leaf quickly)
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Bug #2560: latest 3.5 is now locking up consistently with cache_lock: blocked messages
http://bugs.dragonflybsd.org/issues/2560

Author: marino
Status: New
Priority: High
Assignee: 
Category: 
Target version: 


My i386 machine is now unstable.  After a few minutes of heavy use (lots of disk action) it freezes and can't be coaxed out.
Alt-Fx changes to another tty still work, cntl-t still works.
verbose boot is set, there are repeating messages periodically:
[diagnostic] cache_lock: blocked on 0xde0684a8 80000001 ""

I was able to break into ddb and create a dump with "call dumpsys"
I will upload that in a bit.

This all started after recent kernel/world updates.


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