Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 29 Mar 1997 11:30:29 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        jdp@polstra.com, smc@servtech.com
Cc:        dyson@freebsd.org, hackers@freebsd.org
Subject:   Re: Anyone else seen this?
Message-ID:  <199703290030.LAA17704@godzilla.zeta.org.au>

next in thread | raw e-mail | index | archive | help
>Setting breakpoints shouldn't change the modtime of the file, of course,
>since it's mapped copy-on-write.  So there still seems to be some sort
>of VM problem, regardless of these other considerations.

Setting breakpoints certainly changes a copy of the text, and for some
reason vm_object_page_clean() writes to the file on the next sync.  It
seems to write the unaltered copy, but there is real disk traffic and
the mtime and ctime are clobbered.

Bruce



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199703290030.LAA17704>