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Re: port-i386/42966: kernel built from today's netbsd-5 crashes

The following reply was made to PR port-i386/42966; it has been noted by GNATS.

From: Anne Bennett <>
Subject: Re: port-i386/42966: kernel built from today's netbsd-5 crashes
Date: Wed, 17 Mar 2010 05:45:03 -0400

 >> You have the diagnostic option enabled, which is non-standard; it
 >> seems your kernel is hitting an assert that only fires if you've
 >> compiled it to do so.
 >  With option DIAGNOSTIC I can reproduce this, viz.: [...]
 >  Disabling the option in question should allow your kernel to boot
 >  normally.
 I can certainly try that (probably tomorrow), but I'd like to add
 that I didn't just add DIAGNOSTIC when I updated the kernel; that
 option was in force on my 5.0.1 kernel and did not cause a problem.
 I'm concerned that just turning off DIAGNOSTIC will simply mask a
 problem; I hope that the bug can actually be found and squashed.
 But thanks for the workaround; it should allow me to run with
 the "2010-003" security advisory addressed, which is good.
 >> I'm also seeing strange time-keeping events since the last update I
 >> made against the netbsd-5 branch, but my experience is much milder than
 >> yours, I just see impossible CPU times against particular programs as
 >> given by ps(1) and top(1), e.g. a program that's supposedly consumed
 >> almost a year of CPU time even though the machine has been up for only
 >> three days.
 Weird.  I wonder if it's some kind of clue that the oddities I saw
 happened with the *old* kernel, but booted by name "/netbsd.old";
 I'm somewhat ignorant of how this works, but could something be
 being picked up from "/netbsd" (the new kernel) even when this is
 not the booted kernel?
 That reminds me to report, though I doubt it's relevant: I did make
 one change to /etc/sysctl.conf back in January:
   # 2010-01-12 Anne Bennett: need more files, especially when running
   #  a large compilation.  This is previous value * 4:
 Ms. Anne Bennett, as a private citizen:
 Also reachable more officially at work:

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