> "Will Deacon" <will.dea...@arm.com> wrote on 02/14/2011 11:30:45 AM: > > > > - In testing on Versatile Express, I noticed what appears to be SMP > > > related bugs in handling regular software breakpoints: occasionally, > > > software breakpoints simply are not hit and execution continues as if > > > the underlying code had not been changed at all. This symptom > > > completely goes away if GDB and the debugged process are forced to > > > the same CPU using the affinity feature (e.g. with schedtool). > > > > I've seen this issue in the past but I thought I'd fixed it. What kernel > > are you using and do you have CONFIG_ARM_ERRATA_720789 enabled? > > I'm using the 2.6.37-1002-linaro-vexpress kernel from the Linaro package > of the same name. This does *not* have CONFIG_ARM_ERRATA_720789 enabled > (presumably because the mach-vexpress/Kconfig file does not add it?) ...
I've now built a kernel with CONFIG_ARM_ERRATA_720789 enabled, and the symptoms indeed seem to have disappeared completely ... Mit freundlichen Gruessen / Best Regards Ulrich Weigand -- Dr. Ulrich Weigand | Phone: +49-7031/16-3727 STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E. IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen | Registergericht: Amtsgericht Stuttgart, HRB 243294 _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
