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Email: mcfadden@athenet.net
50 tons of steel has been used to create all the slinkys ever made.
Happy?
On Sat, 6 Mar 1999, Buddha Buck wrote:
> I've been running into a problem recently with lost time: My system
> clock has been falling behind drastically -- earlier this week, with an
> uptime of less than 2 days, had lost 5100 seconds.
>
> It seems to be tied to SCSI access:
>
> # netdate tick; dd if=/dev/hda of=/dev/null bs=1kk count=100; netdate
> tick
> tick +0.223 Sat Mar 6 19:59:08.000
> 100+0 records in
> 100+0 records out
> tick -0.020 Sat Mar 6 20:00:28.000
> # netdate tick; dd if=/dev/sda of=/dev/null bs=1kk count=100; netdate
> tick
> tick +0.365 Sat Mar 6 20:01:29.000
> 100+0 records in
> 100+0 records out
> tick +52.664 Sat Mar 6 20:02:49.000
>
> tick is a local Stratum-2 timeserver.
>
> I can deal with the sub-second jitter between calls to netdate, but I
> can't deal with the loss of 52 seconds in an 80-second interval! xntp3
> can't deal with it, either.
>
> I don't think this is a user-space problem...
>
> I dropped back to Linux 2.2.1 to see if it was a new problem in 2.2.2,
> but it doesn't seem to be.
>
> My system:
> Linux 2.2.1 (Debian distribution, "potato")
> AMD K6-2 333
> FIC VA-503+ MB
> 32MB PC100 SDRAM
> Adaptec 1520 SCSI controller
> /dev/sda: Seagate ST51080N
> /dev/scd0: SONY CD-ROM CDU-76S
>
> Is there any other information that could help?
>
>
> --
> Buddha Buck bmbuck@acsu.buffalo.edu
> "Just as the strength of the Internet is chaos, so the strength of our
> liberty depends upon the chaos and cacaphony of the unfettered speech
> the First Amendment protects." -- A.L.A. v. U.S. Dept. of Justice
>
>
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