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| 11:50.19 | cb22 | Hi, I'm trying to compile an OE distro for |
| 11:50.57 | cb22 | the Archos 101s - compilation and everything isn't an issue, but it appears as if NEON optimizations are causing every compiled binary to segfault when run on the device |
| 11:51.24 | cb22 | My kernel has CONFIG_NEON enabled, and /proc/cpuinfo reports http://pastebin.com/WDWwFDLh |
| 11:51.32 | cb22 | Anyone have any ideas? |
| 11:51.58 | cb22 | (I'm basing my config off the BeagleBoard - they are very similar in terms of hardware specs) |
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| 12:45.21 | wmat | cb22: why do you conclude that NEON is causing the segfaults? |
| 13:00.12 | cb22 | wmat, I'm actually compiling another toolchain now to test it (csl 2007q3) before I was using gcc 4.5. A binary compiled with -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp while the same one compiled without those flags seem to be fine |
| 13:00.45 | cb22 | However, I think the two might have been compiled with different compilers - hence compiling another one to make doubly sure first |
| 13:01.10 | cb22 | I've also done a fair bit of searching, and seen that NEON issues can pop up quite often |
| 13:02.20 | wmat | yes, it can be tricky |
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| 14:12.23 | cb22 | Hm - it would appears as if http://rcn-ee.net/deb/rootfs/natty/ubuntu-11.04-r0-minimal-armel.tar.xz yields the same results for me. I'd presume it works on the beagleboard... I'm using kernel 2.6.29 |
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| 14:22.11 | wmat | cb22: you could ask in #beagle, as the guy who created that image usually is there |
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| 16:05.25 | cb22 | Looks like some success :) the 2011 CSL toolchain appears to work great! |
| 16:05.46 | cb22 | At least, busybox didn't segfault, like it did before. Time to compile a few things more complicated |
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