On Thu, Mar 26, 2009 at 05:26:13PM +0100, Ronald Klop wrote: > Hi, > > My brand new amd64 has a hanging process. > # uname -a > FreeBSD sjakie.klop.ws 7.2-PRERELEASE FreeBSD 7.2-PRERELEASE #0: Wed Mar > 25 00:07:31 UTC 2009 r...@dhcppc0:/usr/obj/usr/src/sys/GENERIC amd64 > > I'm compiling a port of kde4. > top says this since a while: > 43404 root 1 116 20 21304K 4148K umtxn 1 0:00 0.00% > automoc4 > > # procstat -kk 43404 > PID TID COMM TDNAME KSTACK > 43404 100279 automoc4 - tdq_cpu+0x1218 > > Dmesg in the attachment. > > Can I provide more information to debug this?
Did you rebuild both world and kernel ? (old world with new kernel shall work, I am just gathering information by this question). The most useful data would be usermode backtrace of all threads. For this to be useful, you probably need to build at least libc and libthr with debugging symbols.
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