Re: switching ARC to 64-bit time_t (Re: [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64)

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On Thu, Feb 20, 2020 at 10:37 AM Lukasz Majewski <lukma@xxxxxxx> wrote:

> [2] - https://github.com/lmajewski/y2038_glibc/commits/y2038_edge

I tried packaging this into a .deb package for use with rebootstrap, but
ran into a couple of test failures from glibc itself, when testing the i386
version while running on an older x86_64 kernel (4.15):

+---------------------------------------------------------------------+
|     Encountered regressions that don't match expected failures.     |
+---------------------------------------------------------------------+
FAIL: elf/check-localplt
FAIL: nptl/tst-cancel19
FAIL: rt/tst-mqueue2
make: *** [debian/rules.d/build.mk:116:
/home/arnd/glibc-2.31/stamp-dir/check_i386] Error 1

elf/check-localplt complains about the newly added symbols

Extra PLT reference: libc.so: __lutimes64
Extra PLT reference: libc.so: __wait4_time64
Extra PLT reference: libc.so: __setitimer64
Extra PLT reference: libc.so: __utime64
Extra PLT reference: libc.so: __timerfd_gettime64
Extra PLT reference: libc.so: __clock_settime64
Extra PLT reference: libc.so: __utimes64
Extra PLT reference: libc.so: __gettimeofday64
Extra PLT reference: libc.so: __clock_gettime64
Extra PLT reference: libc.so: __futimesat64
Extra PLT reference: libc.so: __clock_getres64
Extra PLT reference: libc.so: __futimes64
Extra PLT reference: libc.so: __futimens64
Extra PLT reference: libc.so: __utimensat64
Extra PLT reference: libc.so: __getrusage64
Extra PLT reference: libc.so: __timespec_get64
Extra PLT reference: libc.so: __getitimer64
Extra PLT reference: libc.so: __ppoll64
Extra PLT reference: libc.so: __timerfd_settime64
Extra PLT reference: libc.so: __clock_nanosleep_time64
Extra PLT reference: libc.so: __sched_rr_get_interval64
Extra PLT reference: libc.so: __settimeofday64
Extra PLT reference: librt.so: __timer_gettime64
Extra PLT reference: librt.so: __mq_timedreceive_time64
Extra PLT reference: librt.so: __mq_timedsend_time64
Extra PLT reference: librt.so: __timer_settime64

which seems a bug in the test suite. The other two get a segfault
that I have not debugged, but I guess this is likely a problem in your
patches. Have you seen the same thing?

       Arnd

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