Using read-only NULLFS leads to panic. gdb output included, e asy to reproduce.

[Dmitry Morozovsky]

Dear Tim,

On Tue, 9 Mar 2004, Tim Robbins wrote:

TR> > Did I miss this MFC, or haven't you back-ported it yet?
TR>
TR> Here's the patch against RELENG_4:
TR> http://people.freebsd.org/~tjr/nullfs-4.diff
TR>
TR> It works, but I'm not going to commit it until I've had time to
TR> check a few things first.

Thanks a lot for your patch! We'll test it in near future, but in the mean
time: I see your patch is attacking similar bugs in a different way as
Matt/Cameron in

Date:      Thu, 14 Nov 2002 11:29:26 -0800 (PST)
From:      Matthew Dillon <dillon at apollo.backplane.com>
To:        "Cameron Grant" <gandalf at vilnya.demon.co.uk>, freebsd-hackers at freebsd.org
Subject:   Patch #6 (Re: Shared files within a jail)

Did you ever evaluate their patch? I did use it with r/o nullfs with rather
good results...


Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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