use sendfile problems with Windows 95

[jra at dp.samba.org]

On Thu, Mar 27, 2003 at 03:01:55PM -0500, Pierre Belanger wrote:
> Hi,
> 
> I turned on "use sendfile", not too long after (on the next
> "logon") someone called me. His Windows 95 was having trouble
> opening files on the server. He can "explore" the shared volume
> but when trying to open a file, his computer hangs and needs
> to reboot. I've been using "sendfile" myself with Samba under
> Solaris 8 with NT & 2000 & XP since a long time with no trouble
> at all.
> 
> I tested with another Windows 95 box -- same problem. Even
> after ~ 5 min. the box is still hanged.
> 
> I'm wondering if Windows 98/ME are also affected by this?
> I don't have access to Windows ME "boxes" but I might find
> a Windows 98 box... I'll post when I am able to test.
> 
> I generated a level 10 log file, it's 155KB (gzip -9). Someone
> wants to look at it? (I did not want to post this hughe file
> here).

A log file won't help I don't think. It looks like sendfile
is simply overwhelming the Win95 box's ability to process
incoming TCP. Windows 95 is broken in many subtle and not-so-subtle
ways w.r.t. SMB networking I'm afraid. Turning off sendfile
might be your only option.

Jeremy.