On Sun, 20 Apr 2008, Andrew Doran wrote:
On Fri, Apr 18, 2008 at 04:33:25PM -0700, Paul Goyette wrote:This is with a up-to-date kernel (sources updated via CVS about 8 hours ago). While I had a './build.sh release' running, I got the following console output: kernel: page fault trap, code=0 Stopped in pid 11487.1 (cc1) at netbsd:kauth_authorize_action + 0x0a: call *0(%rbx)It could be bad hardware. However, others have reported severe memory corruption on recent -current/amd64 with heavy network activity. I am investigating that. Simply to exclude the possibility, were you doing anything to kauth at the time?
I don't touch kauth - I don't understand it well enough to touch it! :)This is a "stock" 4.99.60 kernel plus the recent jumbo-frame fix for if_nfe. Sources were CVS-updated on 2008-04-18 at 23:51:17 UTC.
Seriously, there was nothing special going on, just a 'build.sh release'. My /usr/src and /usr/obj are NFS-exported, but the build.sh was running on the NFS server, not on a client. There _might_ have been a low level of NFS activity from one of my other machines, such as caused by a 'ls /usr/src', but nothing significant - ie I wasn't running 'find /usr/src/...') And I've since been successful at re-running the same 'build.sh release' without any problems.
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