Could someone knowledgeable in low-level kernel matters take a look at the following? I looked at the Web page, and though it sounds interesting overall (and it WOULD solve a serial problem I experienced with Debian 1.1.1 and kernel 2.0.6), there appear to be some technical inaccuracies which give me second thoughts. Any comments appreciated.
"Craig A. Estey" <[EMAIL PROTECTED]> wrote To: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] >Hi, Folks > >All of you have posted problems with serial/PPP to comp.os.linux.* newsgroups >(under various heading listed at the end of this message). > >I had exactly the same problems. I did some microsecond resolution performance >profiling of the kernel. I found a kernel bug and devised a fix. >I have been scanning the groups and have not found a similar fix anywhere. > >Online documentation (FAQ format) that explains all (the *real* problem is >IRQ priority): > http://www.best.com/~cae/irqtune > >The entire package: > ftp://www.best.com/pub/cae/irqtune.tgz > >I've been running the patch for over a month and I tripled the throughput >of my 33.6 modem from 700 chars/sec to over 2500 chars/sec. It also fixes >data dropouts. > >I'm going to post this to the newsgroups but I need some testing in various >configurations. > >Please give it a try. I'd greatly appreciate your feedback via email. >Send your configuration data, what performance you got, what you think. > >Thanks, >Craig Estey >[EMAIL PROTECTED] > >--------------------------------------------------------------------------- >Subjects: >> Erratic IP forwarding via PPP >> Hanging file transfers (ppp,linux 1.2.13) >> Has SLIP gotten slower in 2.0.x? >> Help with pppd error messages in syslog >> How to measure speed of my pppp link >> Linux:/PPP dead end! Do I need NT? >> Modem quits after 20 seconds >> Modem trouble (Need Help) >> NFS over PPP usable? >> Only getting half my bandwidth through modem (ftp) >> PPP 2.2.0f connect to Xylogics Annex 4000 hangs >> PPP Slowness >> PPP hangs while sending large files >> PPP problem even after looking at many references/posts to no avail >> PPP routing problem >> PPP unreliable >> PPPD Problem w/ Pentium & Kernel 2.0.7 >> Q: SLIP comm waits on IDE disk >> RTS/CTS flow control problems with Motorola BSP >> Re: *very* slow SLIP >> Re: Has SLIP gotten slower in 2.0.x? >> Re: How to get precise interrupt timing? (reading RC PPM signal) >> Re: PPP slow (450bytes/sec) >> Re: PPP throughput, tuning, & network info >> Re: Serial port problem with Linux-2.0.x (x > 3) >> Re: Slow -> halt modem >> Serial port problem with Linux-2.0.x (x > 3) >> Speeding up telnet? >> TCP connections and degrading performance >> Unexplained PPPD hangups. >> Weird PPP Latency Effect >> help I have a very slow ppp connection >> modem trouble(help) >> ppp setup problem >> ppp2.0.d problems. It a BUG or a configuration mistake ???? >> ppp: frame with bad fcs >> serial handing bug in 2.0.12?