On 11/29/2011 01:45 PM, Peter Robinson wrote: > On Tue, Nov 29, 2011 at 1:30 PM, Gordan Bobic<gordan@xxxxxxxxxx> wrote: >> Guys, >> >> After chasing my tail for ages thinking I had a hardware issue on an >> AC100, it looks like the random segfaults and "glibc detected a >> corrupted doubly linked list" errors might actually be SMP and/or ARMv7 >> related. >> >> Errors: >> - random segfaults >> - glibc detected a corrupted doubly linked list >> >> Distro: Fedora 13 >> >> Platforms that work flawlessly (24/7 compiling for weeks): >> - Marvell Kirkwood (1x SheevaPlug, 1x DreamPlug). >> >> Platforms that cause repeatable segfaults (same rootfs, same operation): >> - Tegra2 (tested using Toshiba AC100 and Compulab TrimSlice) >> - OMAP 4xxx (tested on a PandaBoard) >> >> I'm going to dig into this deeper (boot the machine with nosmp or >> tasksetting everything to run on the same core), but in the meantime I >> would like to ask if there is a bug in any of the following: >> >> - glibc >> - gcc >> - binutils >> >> that might cause them to misbehave either on: >> - ARMv7 (armv5tel packages on armv7l kernel) >> or >> - SMP ARM systems >> (or both) >> >> I'm going to compile up a clean kernel (without all the hacks I tried on >> the AC100 to try to troubleshoot the issue) and try building the >> packages in a clean F13 mock just to do a definitive confirmation pass, >> but if anyone is aware of any such issues (e.g. due to locking >> primitives being different on ARMv7) that have been fixed in >> glibc/gcc/binutils recently, I would appreciate any info you may have on >> the subject. >> >> Ubuntu doesn't appear to suffer from this issue, but they use a much >> newer gcc and a different glibc than what is in F13. > > Have you tried a F-14 rootfs? Not yet, no. I'll try that when I have a clean recipe for demonstrating the problem on F13. In the meantime any pointers at bugs/patches for anything like this would be welcome. Gordan _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
