Well, the Xburst-arch seems to be pretty fucked up beyond all repair. //Markus On 6 Mar 2009, at 17:36, Nils Faerber wrote: > Hello! > I am rather playing than really working on a Ingenic JZ4730 based > device. The JZ4730 is a MIPS32 SOC included in many types of devices, > like media players and thelike but also in small power efficient > subnotebooks (this is the device I am trying to support based on the > Ingebic Linux kernel patch). > > The current kernel patch from Ingenic > > http://www.ingenic.cn/eng/productServ/App/JZ4730/pfCustomPage.aspx > or > ftp://ftp.ingenic.cn/3sw/01linux/02kernel/linux-2.6.24/linux-2.6.24.3-jz-20090218.patch.gz > > for the patch (I used an even older patch to start my board support > but > they basically only added newer CPU types in later patches). > > The support for my board is almost in place but I see from time to > time > failing applications with "illegal instruction" faults. Most shell > applications work pretty fine, especially more complex GUI > applications > seem to fail, like a webbrowser or such. > I also tested this with different GCC and glibc version which makes me > pretty sure that I am seeing a kernel problem here rather than a > userspace problem. > > I am pretty clueless how to debug this. Apropos debig as another hint: > Some application work if I start them in GDB but fail outside. > > Any hint how to start debugging this would be greatly appreciated! > And a > fix would be like a dream ;) > > Many thanks! > > Cheers > nils faerber > > -- > kernel concepts GbR Tel: +49-271-771091-12 > Sieghuetter Hauptweg 48 Fax: +49-271-771091-19 > D-57072 Siegen Mob: +49-176-21024535 > http://www.kernelconcepts.de >