Philippe Gerum wrote: > Our Blackfin port has just been upgraded to the latest 2.6.23. The other > good news is that we have now rebased this work over mainline kernels. > The I-pipe patch below is an all-in-one, supporting the bf533, bf537 and > bf561 dual core boards. Any Xenomai version from 2.3.2 and on can be > used (albeit pre 2.4-rc4 will require to fix the default calibration > value by hand for the bf561). > > If you happen to have any of these boards at hand, and really don't know > how to spend geek time these days, please give this a try and send some > feedback. > > http://download.gna.org/adeos/patches/v2.6/blackfin/adeos-ipipe-2.6.23-bf5xx-1.7-00.patch >
Unfortunately, ipipe for bfin is still borken: my setup is 2.6.23.1 + "uclinux mtd maps: add blackfin maps" + the ipipe patch above on a BF537 stamp. I'm running the cache calibrator over the serial console and a hello world shell loop over telnet. When ipipe is enabled (no Xenomai) and the calibrator is in its measurement cycle, the telnet connection stalls. Actually, it seems the whole Linux scheduling stalls, because when I turn this into a background loop, it doesn't make progress when the calibrator runs. All this does not happen when I disable ipipe in the config. Jan
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