ARM FCSE - random programs segfaults

Michael Trimarchi trimarchi at
Fri Mar 26 18:37:50 CET 2010


Martix wrote:
> Hi,
> I've compiled latest 2.6.29-andy-tracking kernel with ARM Fast Context
> Switch Extension patch [1], using gta02_moredrivers_defconfig kernel
> options. I've tested this kernel with latest SHR-unstable. System with
> FCSE enabled is really faster. However some (mostly Python)
> applications randomly segfaults during loading[3]. But when
> application loads properly, it runs rock stable[4].
> Seems, it isn't related to 32 MB virtual memory limit and best effort
> mode, because applications running above this limit runs properly.
> I also tested FCSE on Qt Moko v16 with nodebug v17 kernel, but Qte
> always restarts when loading desktop.
> ARM FSCE support is already included in Android on FreeRunner
> distributon kernel. I like to see this included also in Openmoko
> distributions kernels, when will be stable and ready.
I have readed your email, but I don't have time right now to take a look.
I'm going to add the original author of the patches. Maybe he can give
some hints


> Regards,
> Martin 'Martix' Holec
> [1]
> [2];a=commit;h=973a41fce60e5f6edfcf0eaf94056a57eee65e16
> [3]
> [4]

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