Re: Problem with PPPD on dialup with 2.6.11-bk1 and later; 2.6.11 is OK

From: Steven Cole (elenstev_at_mesatop.com)
Date: 03/10/05

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    To: linux-kernel@vger.kernel.org
Date:	Wed, 9 Mar 2005 19:14:24 -0700

    Today at 04:57:37 pm, I wrote:
    >Earlier today, I reported "PPPD fails on recent 2.6.11-bk". I've narrowed
    >the problem down to between 2.6.11 and 2.6.11-bk1.
    >
    >I get this with 2.6.11-bk1: (two attempts)
    >
    >Mar 9 16:34:32 spc pppd[1142]: pppd 2.4.1 started by steven, uid 501
    >Mar 9 16:34:32 spc pppd[1142]: Using interface ppp0
    >Mar 9 16:34:32 spc pppd[1142]: Connect: ppp0 <--> /dev/ttyS1
    >Mar 9 16:34:56 spc pppd[1142]: Hangup (SIGHUP)
    >Mar 9 16:34:56 spc pppd[1142]: Modem hangup
    >Mar 9 16:34:56 spc pppd[1142]: Connection terminated.
    >Mar 9 16:34:56 spc pppd[1142]: Exit.

    Searching lkml archive, I found:
    http://marc.theaimsgroup.com/?l=linux-kernel&m=111031501416334&w=2

    I also found that reverting that patch made the problem go away for 2.6.11-bk1.

    The bookmarkable link for this changeset is here:
    http://linus.bkbits.net:8080/linux-2.5/cset@4228d0d83vitxwMSdjDcnjt90uXocg?nav=index.html|ChangeSet@-8w

    Stephen Hemminger also wrote: (Someting's busted with serial in 2.6.11 latest)
    >Some checkin since 2.6.11 has caused the serial driver to
    >drop characters. Console output is chopped and messages are garbled.
    >Even the shell prompt gets truncated.

    Hope this helps,
    Steven

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