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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
commitdee4dcba78baf712cab403d47d9db319ab7f95d6 (patch)
tree418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/108/none/1812
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
restructure results
Diffstat (limited to 'results/classifier/108/none/1812')
-rw-r--r--results/classifier/108/none/181240
1 files changed, 0 insertions, 40 deletions
diff --git a/results/classifier/108/none/1812 b/results/classifier/108/none/1812
deleted file mode 100644
index 43d2d7f3..00000000
--- a/results/classifier/108/none/1812
+++ /dev/null
@@ -1,40 +0,0 @@
-other: 0.577
-graphic: 0.523
-semantic: 0.446
-device: 0.444
-performance: 0.428
-PID: 0.322
-debug: 0.295
-network: 0.258
-vnc: 0.254
-permissions: 0.249
-socket: 0.210
-files: 0.194
-boot: 0.184
-KVM: 0.132
-
-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.