https://bugs.kde.org/show_bug.cgi?id=431157
--- Comment #16 from Mark Wielaard <m...@klomp.org> --- (In reply to Carl Love from comment #15) > Created attachment 135371 [details] > patch to add support for the scv instruction > > Cleaned up formatting, spacing and a minor functional fix. Unfortunately this patch doesn't seem to work correctly on a ppc64le setup with linux 5.11.0 and glibc 2.32.9000, which uses SCV: LD_SHOW_AUXV=1 /bin/true AT_DCACHEBSIZE: 0x80 AT_ICACHEBSIZE: 0x80 AT_UCACHEBSIZE: 0x0 AT_SYSINFO_EHDR: 0x7fff905c0000 AT_L1I_CACHESIZE: 32768 AT_L1I_CACHEGEOMETRY: 128B line size, 32-way set associative AT_L1D_CACHESIZE: 32768 AT_L1D_CACHEGEOMETRY: 128B line size, 32-way set associative AT_L2_CACHESIZE: 524288 AT_L2_CACHEGEOMETRY: 32B line size, 2048-way set associative AT_L3_CACHESIZE: 10485760 AT_L3_CACHEGEOMETRY: 32B line size, 40960-way set associative AT_HWCAP: true_le archpmu vsx arch_2_06 dfp ic_snoop smt mmu fpu altivec ppc64 ppc32 AT_PAGESZ: 65536 AT_CLKTCK: 100 AT_PHDR: 0x10f1b0040 AT_PHENT: 56 AT_PHNUM: 9 AT_BASE: 0x7fff905d0000 AT_FLAGS: 0x0 AT_ENTRY: 0x10f1b1ad8 AT_UID: 0 AT_EUID: 0 AT_GID: 0 AT_EGID: 0 AT_SECURE: 0 AT_RANDOM: 0x7fffcd3e3272 AT_HWCAP2: scv darn ieee128 arch_3_00 vcrypto tar isel ebb dscr arch_2_07 AT_EXECFN: /bin/true AT_PLATFORM: power9 AT_BASE_PLATFORM: power9 A simple testcase: # LANG=en.UTF-8 ./vg-in-place /bin/true --help ==108495== Memcheck, a memory error detector ==108495== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==108495== Using Valgrind-3.17.0.GIT and LibVEX; rerun with -h for copyright info ==108495== Command: /bin/true --help ==108495== ==108495== Warning: invalid file descriptor -2 in syscall openat() ==108495== Invalid read of size 4 ==108495== at 0x492B7C0: _nl_load_locale_from_archive (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x4929ECF: _nl_find_locale (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x492945F: setlocale (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x181963: ??? (in /usr/bin/true) ==108495== by 0x49195B3: generic_start_main.constprop.0.isra.0 (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x491978F: (below main) (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== Address 0x26 is not stack'd, malloc'd or (recently) free'd ==108495== ==108495== ==108495== Process terminating with default action of signal 11 (SIGSEGV): dumping core ==108495== Access not within mapped region at address 0x26 ==108495== at 0x492B7C0: _nl_load_locale_from_archive (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x4929ECF: _nl_find_locale (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x492945F: setlocale (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x181963: ??? (in /usr/bin/true) ==108495== by 0x49195B3: generic_start_main.constprop.0.isra.0 (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== by 0x491978F: (below main) (in /usr/lib64/power9/libc-2.32.9000.so) ==108495== If you believe this happened as a result of a stack ==108495== overflow in your program's main thread (unlikely but ==108495== possible), you can try to increase the size of the ==108495== main thread stack using the --main-stacksize= flag. ==108495== The main thread stack size used in this run was 8388608. ==108495== ==108495== HEAP SUMMARY: ==108495== in use at exit: 0 bytes in 0 blocks ==108495== total heap usage: 1 allocs, 1 frees, 5 bytes allocated ==108495== ==108495== All heap blocks were freed -- no leaks are possible ==108495== ==108495== For lists of detected and suppressed errors, rerun with: -s ==108495== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) ./vg-in-place: line 31: 108495 Segmentation fault (core dumped) VALGRIND_LIB="$vgbasedir/.in_place" VALGRIND_LIB_INNER="$vgbasedir/.in_place" "$vgbasedir/coregrind/valgrind" "$@" make regtest also shows various failures: == 638 tests, 44 stderr failures, 14 stdout failures, 0 stderrB failures, 0 stdoutB failures, 3 post failures == memcheck/tests/buflen_check (stderr) memcheck/tests/bug340392 (stderr) memcheck/tests/erringfds (stdout) memcheck/tests/erringfds (stderr) memcheck/tests/file_locking (stderr) memcheck/tests/leak_cpp_interior (stderr) memcheck/tests/linux/memfd (stderr) memcheck/tests/linux/rfcomm (stderr) memcheck/tests/linux/sys-execveat (stderr) memcheck/tests/linux/sys-openat (stderr) memcheck/tests/linux/sys-preadv_pwritev (stderr) memcheck/tests/linux/timerfd-syscall (stderr) memcheck/tests/null_socket (stdout) memcheck/tests/post-syscall (stderr) memcheck/tests/sigkill (stderr) memcheck/tests/supp_unknown (stderr) memcheck/tests/writev1 (stderr) drd/tests/sem_open (stderr) drd/tests/sem_open2 (stderr) drd/tests/sem_open3 (stderr) drd/tests/sem_open_traced (stderr) drd/tests/std_list (stderr) drd/tests/swapcontext (stderr) massif/tests/deep-D (post) massif/tests/new-cpp (post) massif/tests/overloaded-new (post) none/tests/coolo_sigaction (stdout) none/tests/coolo_sigaction (stderr) none/tests/empty-exe (stderr) none/tests/linux/mremap (stderr) none/tests/linux/mremap2 (stdout) none/tests/linux/mremap2 (stderr) none/tests/map_unaligned (stderr) none/tests/nocwd (stdout) none/tests/nocwd (stderr) none/tests/pth_cancel2 (stderr) none/tests/rlimit64_nofile (stderr) none/tests/rlimit_nofile (stderr) none/tests/scripts/bug231357 (stdout) none/tests/scripts/bug231357 (stderr) none/tests/scripts/nointerp1 (stdout) none/tests/scripts/nointerp1 (stderr) none/tests/scripts/nointerp2 (stdout) none/tests/scripts/nointerp2 (stderr) none/tests/scripts/nointerp3 (stdout) none/tests/scripts/nointerp3 (stderr) none/tests/scripts/nointerp4 (stderr) none/tests/scripts/nointerp5 (stderr) none/tests/scripts/relative1 (stdout) none/tests/scripts/relative1 (stderr) none/tests/scripts/relative2 (stdout) none/tests/scripts/relative2 (stderr) none/tests/scripts/shell (stdout) none/tests/scripts/shell (stderr) none/tests/scripts/shell_valid1 (stderr) none/tests/scripts/shell_valid4 (stdout) none/tests/scripts/shell_valid4 (stderr) none/tests/scripts/shell_zerolength (stderr) none/tests/syscall-restart1 (stderr) none/tests/syscall-restart2 (stderr) none/tests/threadederrno (stdout) -- You are receiving this mail because: You are watching all bug changes.
