On Fri, 27 Dec 2013, Peter Wemm wrote:

Date: Thu, 26 Dec 2013 10:33:01 -0800
From: Peter Wemm <pe...@wemm.org>
To: Antoine Brodin <anto...@freebsd.org>
Cc: Alan Cox <a...@freebsd.org>, Marcel Moolenaar <mar...@freebsd.org>,
        FreeBSD Current <freebsd-current@freebsd.org>, Andriy Gapon
        <a...@freebsd.org>, freebsd-j...@freebsd.org
Subject: Re: latest openjdk7 triggers kernel panic
Content-Type: text/plain; charset=ISO-8859-1

On Thu, Dec 26, 2013 at 7:39 AM, Antoine Brodin <anto...@freebsd.org> wrote:
On Thu, Dec 26, 2013 at 1:04 PM, Andriy Gapon <a...@freebsd.org> wrote:

FWIW,  I had a similar panic today on 9.2-RELEASE with a GENERIC kernel:
panic: Bad entry start/end for new stack entry
cpuid = 1
KDB: stack backtrace:
#0 0xffffffff80947986 at kdb_backtrace+0x66
#1 0xffffffff8090d9ae at panic+0x1ce
#2 0xffffffff80b81314 at vm_map_stack+0x274
#3 0xffffffff80b83584 at vm_mmap+0x674
#4 0xffffffff80b83d2f at sys_mmap+0x1cf
#5 0xffffffff80cf187a at amd64_syscall+0x5ea
#6 0xffffffff80cdbff7 at Xfast_syscall+0xf7

It looks like the box was compiling java related ports (java/jaxen and
devel/antlr) when it panic'ed.

This is troubling.  I'm wondering what's changed and why we haven't
seen this before.

Just so I'm clear, you're building 9.2 ports on a 9.2-REL kernel,
right?  and not something like building 9.2-REL ports inside a jail on
a 10.x or 11.x host?  10.x / 11.x are not involved and you're seeing

Peter Wemm - pe...@wemm.org; pe...@freebsd.org; pe...@yahoo-inc.com; KI6FJV

Another data point - I'm running 9.2, svn to 9-stable, and my ports
tree is kept current with portsnap.

On Wednesday (25 Dec) I built the "devel/arduino" port, which pulls in
openjdk-6.2.  I was using a /usr/src & /usr/ports updated 13 December.
The kernel was r259382:.  Everything worked great.

Thursday, I did

              svn update /usr/src
              portsnap fetch update

(the svn is against 9-stable), rebuilt world+kernel, and ran
'portupgrade -a'.  That gave a r259923 kernel.

Arduino now reliably takes the box down, no dump, just a freeze /
reboot.  Rebooting on the older kernel doesn't fix anything.

Ross ve6pdq
Ross Alexander, (780) 675-6823 / (780) 689-0749, r...@athabascau.ca

        "Always do right. This will gratify some people,
         and astound the rest."  -- Samuel Clemens

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