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>
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>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
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