Yep, it's certainly not ideal; run-time detection would be, and I think it should be possible to change SGen to do that. But I wouldn't mind applying that change to Mono if it helps Debian's builds. It seems like a reasonable enough workaround in the meantime.
On Mon, Apr 11, 2016 at 10:46 AM, Mathieu Malaterre <ma...@debian.org> wrote: > Actually... that should work. Maybe this will put some more stress on > some small systems (small memory size). > > On Mon, Apr 11, 2016 at 10:32 AM, Alex Rønne Petersen <a...@alexrp.com> wrote: >> Hi Mathieu, >> >> So it would be appropriate to change the #if to >> >> #if defined (TARGET_POWERPC) || defined (TARGET_POWERPC64) >> >> if I understand the problem correctly? >> >> Regards, >> Alex >> >> On Mon, Apr 11, 2016 at 10:18 AM, Mathieu Malaterre <ma...@debian.org> wrote: >>> # set patch tag at least to get some attention, may need some tweaking >>> # since pagesize on buildd machine != user installed one >>> Control: tags -1 patch >>> >>> On Thu, Mar 31, 2016 at 2:37 PM, Mathieu Malaterre <ma...@debian.org> wrote: >>>> Dear all, >>>> >>>> I am currently trying to resurrect Mono debian package on PowerPC (32bits >>>> BE). >>>> >>>> I have two questions: >>>> >>>> - Is there a released version I should consider to start with if I >>>> want to make mono work son PowerPC again ? >>>> >>>> - I see some big changes here at: >>>> 99902cec93dfbc9e18e3fb6fa07b8770a3bd9adc so I am wondering if version >>>> 4.2.1.102 (current debian package) is not a bit too old so get things >>>> back in shape. >>> >>> Answering my own post. >>> >>> So the bug was really within sgen implementation details: >>> ARCH_MIN_MS_BLOCK* definitions. >>> >>> Within debian infrstratucture, our buildd machines are setup using >>> default debian kernel, and the default kernel logical page size was >>> changed recently: >>> >>> [debian/config/kernelarch-powerpc/config-arch-64: Set PPC_64K_PAGES.] >>> https://anonscm.debian.org/cgit/kernel/linux.git/commit/?id=aed63a56b189d771116f2d4b8fe10bbec528e6a2 >>> >>> The ppc32 buildd machine is setup on a ppc64 kernel. For some obscure >>> details (at least to me), one cannot run a debian ppc32 kernel on >>> ppc64 arch. Which means that the basic `mono` compiler is compiled >>> using ppc32 user space, but at C# compile time is executed on ppc64 >>> kernel. >>> >>> I am guessing another simple patch would be to run the bootstrap >>> process with gc=none and keep the default sgen 4K setting for ppc32 >>> machine. >>> >>> It would be nice that mono detect any incoherence at runtime, this >>> would make tracking this bug in the future *so* much easier. >>> >>> -M >>> >>> _______________________________________________ >>> Mono-devel-list mailing list >>> Mono-devel-list@lists.ximian.com >>> http://lists.ximian.com/mailman/listinfo/mono-devel-list >>> _______________________________________________ Mono-devel-list mailing list Mono-devel-list@lists.ximian.com http://lists.ximian.com/mailman/listinfo/mono-devel-list
