Greetings, and thanks for your reply! Lucas Nussbaum <lu...@debian.org> writes:
> Hi Camm, > > I can still reproduce the build failure. > Do you want access to an Amazon AWS node where you could see it > yourself? > Do you do IRC, can you ping me? (those instances are quite expensive, > I'd rather not keep them running for days) Perhaps, but could you please first tell me what is in DEB_BUILD_OPTIONS? Does 'make' have a known tsx issue too? That is the only source of parallelism here that I can see. Take care, > > Lucas > > > On 19/11/16 at 10:43 -0500, Camm Maguire wrote: >> severity 844148 normal >> tags 844148 unreproducible >> thanks >> >> Greetings, and thanks for your report! >> >> This is not an issue with GCL or acl2. >> >> From upstream: >> ============================================================================= >> Hi, Camm -- >> >> Yes, I think that's right. The comments in >> books/system/hons-check/memoize-tests.lisp about "lock" pertain to a >> variant of ACL2 called ACL2(p) (which was formerly called ACL2(hp)), >> and ACL2(p) is only supported for CCL and perhaps SBCL and LispWorks, >> since it assumes native threads. In source file memoize-raw.lisp, >> macros with-global-memoize-lock and with-global-memoize-lock-static >> only mess with locks when #+(or ccl sb-thread lispworks). >> >> -- Matt >> > Cc: c...@maguirefamily.org >> > From: Camm Maguire <c...@paradis.debian.org> >> > Date: Wed, 16 Nov 2016 16:29:55 +0000 >> > >> > Greetings! ACL2 on GCL does not employ threads and locks, the comments >> > in hons-check/memoize-tests.lisp notwithstanding, right? >> > >> > Take care, >> > -- >> > Camm Maguire >> > c...@maguirefamily.org >> > ========================================================================== >> > "The earth is but one country, and mankind its citizens." -- Baha'u'llah >> > >> ============================================================================= >> >> > Sorry but that's not a reason for reassigning the bug to the glibc >> > package. The same way I can say that the GNU libc doesn't have bugs in >> > the TSX code, so I am just reassigning the bug back to acl2. >> > >> > Aurelien >> >> >> This of course is not right, as the websites mentioned in the original >> bug report admitted that glibc turned on code under tsx which has >> recently found to be buggy. Please see the original poster. >> >> > Additional note: the non TSX machine has 2 cores, while the TSX >> > machine has 64 cores. This might be a parallel building issue. >> > >> > Aurelien >> >> >> I know this code intimately, and the overwhelming indication in this >> case is that there is an issue in at least one of the dynamically linked >> standard libraries used by gcl. Parallel builds are done with -j 8 on a >> daily basis under standard cpus with no issue at all. There is no cpu >> specific code in either gcl or acl2. Hence the issue must lie in used >> libraries which alter their behavior in such environments. >> >> If you can think of a better place for this bug, I'm all ears. I cannot >> pin it down further as it is not reproducible in any accessible >> environment. Hence I will close this in a week unless a more suitable >> destination is agreed upon. >> >> Take care, >> >> >> Aurelien Jarno <aurel...@aurel32.net> writes: >> >> > control: reassign 844148 acl2 >> > >> > On 2016-11-14 11:24, Camm Maguire wrote: >> >> reassign 844148 glibc >> >> thanks >> >> >> >> Greetings, and thanks so much for your report! >> >> >> >> Neither ACL2 nor underlying gcl makes any use of threads or locks, but >> >> does rely on standard libc calls, which are known to turn on code in TSX >> >> environments that still have bugs. GCL does make use of setjmp/longjmp >> >> and volatile declarations which might appear similar but in no way are >> >> cpu specific. >> > >> > Sorry but that's not a reason for reassigning the bug to the glibc >> > package. The same way I can say that the GNU libc doesn't have bugs in >> > the TSX code, so I am just reassigning the bug back to acl2. >> > >> > Aurelien >> >> -- >> Camm Maguire c...@maguirefamily.org >> ========================================================================== >> "The earth is but one country, and mankind its citizens." -- Baha'u'llah >> >> > > > > -- Camm Maguire c...@maguirefamily.org ========================================================================== "The earth is but one country, and mankind its citizens." -- Baha'u'llah
