Since the original centos 8 is going away (support-wise) in less than 3 months, should we just convert all workers to stream and move on?
Alex On Mon, 4 Oct 2021 at 18:27, Michael Halstead <[email protected]> wrote: > This error was fixed upstream > https://bugzilla.redhat.com/show_bug.cgi?id=1975562 kernel 4.18.0-325.x > which has landed in CentOS8 Stream on centos8-ty-2 but not plain CentOS8 > where the newest kernel is still at 4.18.0-305.x. > > I'll reboot into the older 4.18.0-240.15 kernel again on centos8-ty-1 as a > fix for now. > > On Tue, Sep 28, 2021 at 6:12 PM Anuj Mittal <[email protected]> wrote: > >> Did we find out the reason why this was happening? I have started >> getting this error on Centos-8 while building hardknott. >> >> https://autobuilder.yoctoproject.org/typhoon/#/builders/63/builds/4045 >> >> Thanks, >> >> Anuj >> >> On Wed, 2021-06-16 at 23:45 +0100, Richard Purdie wrote: >> > On Sun, 2021-06-06 at 21:51 +0200, Alexander Kanavin wrote: >> > > On Sun, 6 Jun 2021 at 01:10, Richard Purdie >> > > <[email protected]> wrote: >> > > > I tried again with the autobuilder, still fails: >> > > > >> > > > >> https://autobuilder.yoctoproject.org/typhoon/#/builders/48/builds/3516 >> > > > >> > > > so whatever it is, it is still "live". >> > > > >> > > >> > > >> > > I did some digging. The issue happens when: >> > > - host is centos8 >> > > - SDKMACHINE is i686 (e.g. cmake is 32 bit) >> > > >> > > Then there's a failing syscall attempting to set file times: >> > > utimensat_time64(AT_FDCWD, "../install/usr/local/lib/cmake/assimp- >> > > 4.1/assimp-config.cmake", >> > > [{tv_sec=1622966723, tv_nsec=6319439026193432576}, >> > > {tv_sec=1622966579, tv_nsec=17840053692309438464}], 0) = -1 >> > > EINVAL (Invalid argument) >> > > >> > > On latest Fedora, there's no issue: >> > > utimensat_time64(AT_FDCWD, "../install2/usr/local/lib/cmake/assimp- >> > > 4.1/assimp-config.cmake", >> > > [{tv_sec=1623002886, tv_nsec=6369724778172907520}, >> > > {tv_sec=1623002886, tv_nsec=17839174083007217664}], 0) = 0 >> > > >> > > utimensat_time64 only appeared with 5.1 kernels, however, 4.18 should >> > > be returning ENOSYS in that case >> > > probably? >> > >> > I hacked up a quick test bit of code (which makes assumptions >> > about 32 bit): >> > >> > #include <unistd.h> >> > #include <sys/syscall.h> >> > #include <sys/types.h> >> > #include <sys/stat.h> >> > #include <fcntl.h> >> > #include <stdio.h> >> > >> > struct timespec64 { >> > long long tv_sec; /* seconds */ >> > long long tv_nsec; /* nanoseconds */ >> > }; >> > >> > int main() { >> > int fd = open("foo", O_RDWR | O_CREAT, 0644); >> > write(fd, "foo", 3); >> > struct timespec64 times[2] = {}; >> > times[0].tv_sec = 1622966723; >> > times[0].tv_nsec = 631943; >> > times[1].tv_sec = 1622966579; >> > times[1].tv_nsec = 178400; >> > int rc = syscall(SYS_utimensat_time64, fd, NULL, ×[0], 0); >> > printf("rc=%d\n", rc); >> > close(fd); >> > return rc; >> > } >> > >> > built with "gcc -m32 test-syscall.c -o test" and run with "strace >> > ./test". >> > This works on all the systems I tried it in. As does: >> > >> > >> > times[0].tv_sec = 1; >> > times[0].tv_nsec = 2; >> > times[1].tv_sec = 3; >> > times[1].tv_nsec = 4; >> > >> > however if you set (and ignore the compiler warning): >> > >> > times[0].tv_sec = 1622966723; >> > times[0].tv_nsec = 6319439026193432576; >> > times[1].tv_sec = 1622966579; >> > times[1].tv_nsec = 17840053692309438464; >> > >> > then you see EINVAL on the centos system but not on my ubuntu one. It >> > will >> > do that until you reduce the values of tv_nsec right now. So it seems >> > most >> > systems accept large tv_nsec values but the Centos one does not. >> > >> > I think tv_nsec may be being clamped to LONG_MAX of 4 bytes but should >> > be >> > a LONG_LONG_MAX of 8 bytes on a 32 bit since the field is a 64 bit >> > long. >> > >> > Michael: Hopefully that gives you something to raise with them? >> > >> > Cheers, >> > >> > Richard >> > >> > >> > >> > >> > >> > >> > >> > >> >> >> >> >> > > -- > Michael Halstead > Linux Foundation / Yocto Project > Systems Operations Engineer >
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