osmo-bts-trx fails frequently on osmo-gsm-tester

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Tom Tsou tom at tsou.cc
Fri Jul 7 01:23:06 UTC 2017


On Thu, Jul 6, 2017 at 5:59 PM, Neels Hofmeyr <nhofmeyr at sysmocom.de> wrote:
> Kudos to pespin for finding that issue. Hopefully we can also get rid of the
> remaining odd failure.

Absolutely.

> Interesting that it doesn't happen every time, nor on everyone else's
> equipment. Maybe CPU speed or faster I/O makes it less likely to happen.

That is likely. The bts-trx socket interface has been fairly static
and I know that L2 scheduling issues have existed in OpenBTS. I doubt
that there has been any recent regression; the use of faster CPU's has
probably been covering up the issue for a very long time.

  -TT



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