Date: Mon, 8 Jul 2002 07:23:44 -0700 (PDT) From: Don Lewis <dl-freebsd@catspoiler.org> To: jroberson@chesapeake.net Cc: current@FreeBSD.ORG Subject: Re: cvs commit: src/sys/tools vnode_if.awk Message-ID: <200207081423.g68ENiwr000522@gw.catspoiler.org> In-Reply-To: <20020707024045.J25604-100000@mail.chesapeake.net>
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On 7 Jul, Jeff Roberson wrote:
> On Sat, 6 Jul 2002, Jeff Roberson wrote:
>> Log:
>> - Use 'options DEBUG_VFS_LOCKS' instead of the DEBUG_ALL_VFS_LOCKS
>> environment variable to enable the lock verifiction code.
> If you have a crash test box I would appreciate it if you would enable
> this kernel option. If it catches any errors you will be droped into the
> debugger where you can get a backtrace (type: tr) and mail it to me &&
> current@ to avoid dups.
Here's another one that happened while I was building the Mozilla port.
VOP_GETATTR: 0xc7445100 is not locked but should be
Debugger("Lock violation.
")
Stopped at Debugger+0x45: xchgl %ebx,in_Debugger.0
db> tr
Debugger(c041b364) at Debugger+0x45
coredump(c6a2c180) at coredump+0x470
sigexit(c6a2c180,b,0,e54f8000,c6a2c180) at sigexit+0xa4
postsig(b) at postsig+0xe9
ast(e5514d48) at ast+0x27e
doreti_ast() at doreti_ast+0x1a
I don't know why this particular core dump triggered the bug. I've seen
lots that didn't.
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