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posted by Cactus on Saturday March 08 2014, @02:00AM   Printer-friendly
from the is-it-plugged-in? dept.

martyb writes:

"Remember that one bug that had you tearing your hair out and banging your head against the wall for the longest time? And how it felt when you finally solved it? Here's a chance to share your greatest frustration and triumph with the community.

One that I vividly recall occurred back in the early 90's at a startup that was developing custom PBX hardware and software. There was the current development prototype rack and another rack for us in Quality Assurance (QA). Our shipping deadline for a major client was fast approaching, and the pressure level was high as development released the latest hardware and software for us to test. We soon discovered that our system would not boot up successfully. We were getting all kinds of errors; different errors each time. Development's machine booted just fine, *every* time. We swapped out our hard disks, the power supply, the main processing board, the communications boards, and finally the entire backplane in which all of these were housed. The days passed and the system still failed to boot up successfully and gave us different errors on each reboot.

What could it be? We were all stymied and frustrated as the deadline loomed before us. It was then that I noticed the power strips on each rack into which all the frames and power supplies were plugged. The power strip on the dev server was 12-gauge (i.e. could handle 20 amps) but the one on the QA rack was only 14-gauge (15 amps). The power draw caused by spinning up the drives was just enough to leave the system board under-powered for bootup.

We swapped in a new $10 power strip and it worked perfectly. And we made the deadline, too!

So, fellow Soylents, what have you got? Share your favorite tale of woe and success and finally bask in the glory you deserve."

 
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  • (Score: 0) by Anonymous Coward on Saturday March 08 2014, @05:19AM

    by Anonymous Coward on Saturday March 08 2014, @05:19AM (#13101)

    Whatever that is, you might be right if it has to do with carb and/or vacuum leak.

  • (Score: 1) by carguy on Saturday March 08 2014, @06:10AM

    by carguy (568) Subscriber Badge on Saturday March 08 2014, @06:10AM (#13107)

    > ...vapor lock
    Or carb (inlet) icing?
    Was it a hot day? Or a cool muggy day?

    • (Score: 1) by mrider on Saturday March 08 2014, @09:08PM

      by mrider (3252) on Saturday March 08 2014, @09:08PM (#13305)

      Considering (s)he said "Bay Bridge toward SF", I'd vote for cool and muggy. Sounds like vapor lock to me as well.

      --

      Doctor: "Do you hear voices?"

      Me: "Only when my bluetooth is charged."