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Diffstat (limited to 'results/classifier/phi4:14b/output/manual-review/1812')
| -rw-r--r-- | results/classifier/phi4:14b/output/manual-review/1812 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/results/classifier/phi4:14b/output/manual-review/1812 b/results/classifier/phi4:14b/output/manual-review/1812 new file mode 100644 index 00000000..014e2dbf --- /dev/null +++ b/results/classifier/phi4:14b/output/manual-review/1812 @@ -0,0 +1,28 @@ + + + +older programs running under qemu-aarch64 segfaults +Description of problem: +Numerous aarch64 programs segfaults when run under qemu-aarch64. +Steps to reproduce: +1. Install an arm64 chroot (with working qemu-aarch64 binfmt_misc setup): +``` +debootstrap --variant=minbase --arch=arm64 jessie /tmp/jessie-arm64/ http://archive.debian.org/debian +or +debootstrap --variant=minbase --arch=arm64 xenial /tmp/xenial-arm64/ http://ports.ubuntu.com/ +``` +2. build qemu-aarch64; cp qemu-aarch64 /tmp/jessie-arm64/ +3. chroot /tmp/jessie-arm64/ +4. ./qemu-aarch64 /bin/ls +``` +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +``` +Additional information: +Old userspace (eg Debian jessie, Ubuntu xenial) does not work within qemu 8.1-rc2 aarch64 linux-user emulation, since commit 59b6b42cd3446862567637f3a7ab31d69c9bef51 . My guess is that old userspace isn't prepared for recent CPU features, but it still smells strange. + +Not all programs segfaults. dash works, ls or bash does not. + +A chroot is easier in this case, since many old programs don't run inside current environment, like asserting while reading locale-specific information. To run debootstrap and to enter the resulting chroot, a working qemu-aarch64 binfmt_misc setup is needed. + +Reverting the mentioned commit makes everything work again. |