Rob, There may also be useful info obtained by opening a 2nd console before dialing and watching kernel messages with: $ sudo tail -f /var/log/messages & MarvS On Sun, Sep 20, 2009 at 6:42 PM, Marvin Stodolsky <marvin.stodolsky@xxxxxxxxx> wrote: > I would send the Opera versus Firefox info to Firefox. > With the most recent update of Firefox from Ubuntu, I also have > encountered some long stalls not encountered before. > And this is on a DSL, not PPP connection. > > With respect to ppp/options settings, Jacques has much more expertise than I. > > MarvS > > On Sun, Sep 20, 2009 at 3:03 PM, Rob <robuck@xxxxxxxxx> wrote: >> I'm not sure changing the MTU helped much, I did download something >> successfully, but some webpages still don't completely load and I >> noticed the same "drop off" on the network usage graphs. It goes along >> fine fluctuating around it's max speed, and then it just drops to >> zero. >> >> I noticed something that, in my opinion, is very strange. >> >> When I open certain webpages, specifically ubuntuforums.org, with >> Firefox, it never loads completely, in fact, it loads the same amount >> every time. When I check ifconfig, it reveals about ~50 packet errors >> just from that. When I load that same webpage in Opera, it loads fast >> and there are ZERO new rx packet errors. >> >> I'm not saying it's a problem with Firefox, because I have probems >> with wget and other things, but I can't understand why that happens >> every time, Opera works fine, FF doesn't. >> >> Strange... >> >> >> >> On 9/20/09, Rob <robuck@xxxxxxxxx> wrote: >>> Hey Marvin, >>> >>> I did a bit of reading on this. >>> >>> I used ifconfig and noticed this information: >>> >>> ppp0 was set to MTU 1500 and there was this suspicious looking line: >>> RX packets:72444 errors:1685 dropped:0 >>> >>> I'm just wondering, are these errors really serious errors and telling >>> me something is wrong, or is having thousands of errors a normal >>> thing? >>> >>> I changed the MTU to 576 and it seems to have stuck (it changed in >>> ifconfig) >>> >>> Another question, should I do anything with MRU, or just ignore it? It >>> looks similar to MTU. >>> >>> Anyway I'll try out the MTU 576 and see how it goes. >>> >>> >>> On 9/20/09, Marvin Stodolsky <marvin.stodolsky@xxxxxxxxx> wrote: >>>> Rob, >>>> >>>> Please read Jacques PostInstall Howto at http://linmodems.technion.ac.il >>>> One guess is that the MTU maximum transfer unit) should be decreased. >>>> Read the appropriate section in: >>>> $ man pppd >>>> and its configuation file /etc/ppp/options >>>> >>>> The more general issue is that the are precompiled sections of the code, >>>> which have not been updated since ESS dropped its support of Linux, >>>> and which we have no choice but to keep on using. >>>> >>>> MarvS >>>> >>>> On Sat, Sep 19, 2009 at 10:45 PM, Rob <robuck@xxxxxxxxx> wrote: >>>>> I've been having this strange problem with my dial-up modem, which is >>>>> an ESS if anyone remembers ;-). It keeps going "dead", to explain it a >>>>> bit more, when I download something, it doesn't matter if it's a >>>>> webpage, or a file, or if I use wget, Firefox, or a GUI downloader, >>>>> the download keeps stopping. My modem stops working. >>>>> >>>>> I don't disconnect, but my modem becomes completely inactive. Network >>>>> monitors show the download and upload rates drop to 0.00 . After maybe >>>>> 10-30 seconds, the modem comes alive like nothing happened and >>>>> continues it's download, if the server I'm connected to hasn't kicked >>>>> me off (and to my frustration, they often do, making file downloads >>>>> and loading websites nearly impossible sometimes) >>>>> >>>>> I never had these problems on Windows, so it must be a linux related >>>>> thing, but I have no idea if it's fixable, I sure have no idea what to >>>>> do with it other than live with it. On WinXP my downloads were slow >>>>> but steady. On Ubuntu it's a nightmare. I was downloading an 8mb file, >>>>> and I had to restart it and resume at least half a dozen times. Three >>>>> of those times were in the last 20kb of the file. I sure don't >>>>> understand it. >>>>> >>>>> Has anyone else experienced this with their modems? >>>>> >>>> >>> >> >
