On Sun, Apr 05, 2015 at 10:47:03AM -0700, David Wolfskill wrote: > ... > > Either this, or vm_page_advise() could be changed to do nothing in the > > case of MADV_DONTNEED operation and a need to call vm_page_dirty(), if > > the object is only read-locked. > > I have since managed to build & (successfully) boot: > > s3:FreeBSD g1-254.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #0 > r281106M/281106:1100067: Sun Apr 5 09:57:39 PDT 2015 > r...@g1-254.catwhisker.org:/common/S3/obj/usr/src/sys/CANARY amd64 > > So I'm about to try re-building the i386 head (and be sure that > it's quite "clean" in the process). (I had seen the panic for i386 > twice out of two attempts, so I'm reasonably certain it wasn't a > fluke. But it could be something "weird" in my head/i386 environment, > as that is the only one where I've had a problem with today's builds > & smoke-tests. I'm using both i386 & amd64, and both stable/10 and > head -- 4 combinations; one for each of 4 slices on the same > hardware.) > ....
So... as advertisd, I cleaned things up (rather explicitly), rebuilt world & kernel, installed kernel & world... and the panic recurred. I have a fresh(er) crash dump; I've placed a copy of core.txt.4 in <http://www.catwhisker.org/~david/FreeBSD/head/>. Peace, david -- David H. Wolfskill da...@catwhisker.org Those who murder in the name of God or prophet are blasphemous cowards. See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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