GCC build causes panic: page already inserted
rabe at uugrn.org
Wed Mar 18 16:47:58 PDT 2009
On Mon, Mar 16, 2009 at 11:59:25AM -0600, Dan Allen wrote:
> I saw that someone else had this happen last week... It is not a
> hardware failure.
> While building the latest GCC 4.4 from /usr/ports/lang/gcc44 I got a
> core dump with the message
> vm_page_insert: page already inserted
I had the same thing on 7.1-STABLE with sources @2009-03-14 (last
Saturday). The machine had no hardware failures running 6.x...6.4 in
the last 3 years running about 20..25 Jails.
Therefore I don't think it is a hardware error.
The crash happened during someone recompiling most of his packages in
jail while running cvsup on /usr/ports in another jail. So there was
pretty much I/O and CPU usage. After crash the geom_mirror was degraded
on ad4 (ad6 working).
a) the vmcore was successfully written to the SWAP
b) geom_mirror is unstable under heavy load, maybe it's the
origin of the crash. swap resides on that geom_mirror, too.
I'm not yet able to get some useful information out of the 230MB vmcore.0
Maybe I may provide useful information about the crash if someone can
tell me about how to get theese from vmcore.0.
Dump header from device /dev/label/TOPSWAP
Architecture Version: 2
Dump Length: 246185984B (234 MB)
Dumptime: Sat Mar 14 22:43:46 2009
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.1-STABLE #0: Sat Mar 14 20:06:04 CET 2009
root at top.uugrn.org:/usr/obj/usr/src_RELENG_7/sys/TOP
Panic String: vm_page_insert: page already inserted
Dump Parity: 31664128
Dump Status: good
Raphael Becker <rabe at uugrn.org> http://rabe.uugrn.org/
GnuPG: E7B2 1D66 3AF2 EDC7 9828 6D7A 9CDA 3E7B 10CA 9F2D
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