kern/127213: [tmpfs] sendfile on tmpfs data corruption

[Maxim Konovalov]

The following reply was made to PR kern/127213; it has been noted by GNATS.

From: Maxim Konovalov <maxim at macomnet.ru>
To: Nate Eldredge <neldredge at math.ucsd.edu>
Cc: bug-followup at freebsd.org
Subject: Re: kern/127213: [tmpfs] sendfile on tmpfs data corruption
Date: Mon, 6 Oct 2008 11:36:38 +0400 (MSD)

 Hello,
 
 On Mon, 6 Oct 2008, 06:40-0000, Nate Eldredge wrote:
 
 [...]
 >  Incidentally, to the initial reporter, what application do you have
 >  that requires sendfile?  In my experience, most things will fall
 >  back to a read/write loop if sendfile fails, since sendfile isn't
 >  available on all systems or under all circumstances.  So if you
 >  apply the quick fix so that sendfile always fails, it might at
 >  least get your application working again.
 >
 As stated in the PR Andrey used nginx (ports/www/nginx).  But I could
 easily reproduce the bug with the stock ftpd(8) with the ftproot on
 tmpfs.
 
 -- 
 Maxim Konovalov