Re: BUG: Apache/Stronghold and Linux 2.0.X

Andy Walden (andy@umtec.com)
Sat, 11 Jan 1997 18:05:23 -0600

DUPRE Christophe wrote:
>
> Many peoples have reported problems running Apache 1.1.1 (latest non-beta
> version) and Stronghold 1.3.2 (latest non-beta version) under Linux 2.0.x.
> I'm one of these persons, and I believe that Linux is the culprit. So I
> experimented a bit, and here are my results. But first, the facts:
>
> Here's my primary server:
> Pentium 133, with Intel 430FX
> 64 Megs RAM
> Adaptec 2940 with 1gig Hard drive and tape backup
> NE2000 compatible network card
> IDE CDROM
> Linux 2.0.0
>
> And my development workstation:
> PentiumPRO 200
> 48 megs RAM
> Adaptec 2940UW with 2 gigs Hard drive
> Kingston network card (DEC 21041)
> Linux 2.0.27
>
> That's the starting configuration. Both works perfectly with Stronghold
> 1.3.2.
>
> Now, I wanted to upgrade the server to 2.0.27 to fix various security
> problems (mostly the ping of death). After upgrading, stronghold gave
> problems: The web browser would successfully pull the 4 first files for
> each page then wait for a long time for the fifth then fail. My Netscape
> is configured to open 4 simultaneous connections - I don't know if
> there's a connection between those values as I haven't experimented.
> So I decided to upgrade kernel by kernel to see where the problem arized.
> I did not exactly try all the kernels between 2.0.0 and 2.0.27, but I did
> a binary search, trying 2.0.0, then 2.0.14, then 2.0.20, then 2.0.24.
> All of these worked, compiled with the same options.
> Then 2.0.25 didn't work. So I applied manually all the diffs included in
> patch-2.0.25 to see which one broke stronghold, and I found the one
> included at the end of this message. Now since I'm no network guru, I
> have no idea what to do now, except post this here...
>
> Please note the following :
> - Stronghold works with linux-2.0.27 on my workstation which is not so
> dissimilar to my server, except the processing power, so this MAY be a
> kind of race condition.
> - I have not tried 2.0.26
> - both computers have the same compiler, libraries, etc...
> - The workstation runs X11, not the server
> - The problem shows up reliably, even just after bootup, with minimal load.
>
> I am willing to do some further testing if deemed appropriate by any
> kernel guru.
>
> I hope this bug report is complete enough, please contact me if more info
> is needed.

I have been running Stronghold on a i486 and 2.0.26 without problem
since 2.0.26 came out. This includes virtual servers and cgi's.

andy