On 02/04/2020 11:57, Rolf Eike Beer wrote: >> The only recent change prior the move to assembly was on 2.25 where we had >> to disable the stack protector. For 2.31 release, for instance, I used the >> gcc 7.5.0 since it didn't trigger this issue. > > I recently tried rebuilding 2.29 on Gentoo with 9.2 and things started > breaking, may that still be an issue? Unfortunately it is, I don't why recent version of gcc stated to generated a stack frame for the sa_restore function on sparc. > >>> I know that there have been some stability issues with the Linux kernel on >>> SPARC with older hardware like the UltraSPARC IIIi. The T5120 we have and >>> newer machines seem to run relatively fine with a 64-bit userland. >> >> Not only stability issues, but I noticed that kernel developers had >> fixed a SysV IPC kernel issue on 32-bits kernels that has been >> lingering for years. So I am not sure how well maintained is >> 32-bit sparc is in general. > > This seems generally be an option, but noone has a clue of LDOM at the moment. > You way come to #gentoo-sparc on Freenode if you want to give a helping hand. > >> [1] https://sourceware.org/glibc/wiki/Release/2.31 > > That only lists known test failures regarding sparc? > > Eike >
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