1 files changed, 64 insertions, 0 deletions
diff --git a/results/classifier/118/none/1888728 b/results/classifier/118/none/1888728
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+++ b/results/classifier/118/none/1888728
@@ -0,0 +1,64 @@
+ppc: 0.768
+user-level: 0.755
+performance: 0.688
+device: 0.688
+files: 0.668
+vnc: 0.644
+risc-v: 0.623
+PID: 0.616
+virtual: 0.602
+debug: 0.599
+kernel: 0.576
+permissions: 0.569
+graphic: 0.566
+network: 0.558
+arm: 0.535
+architecture: 0.532
+TCG: 0.528
+boot: 0.521
+VMM: 0.520
+peripherals: 0.494
+register: 0.487
+socket: 0.486
+semantic: 0.446
+i386: 0.445
+x86: 0.419
+hypervisor: 0.392
+KVM: 0.381
+mistranslation: 0.350
+assembly: 0.282
+
+Bare chroot in linux-user fails with pgb_reserved_va: Assertion `guest_base != 0' failed.
+
+Trying to run a bare chroot with no additional bind mounts fails on git master (8ffa52c20d5693d454f65f2024a1494edfea65d4) with:
+
+root@nofan:~/qemu> chroot /local_scratch/sid-m68k-sbuild/
+qemu-m68k-static: /root/qemu/linux-user/elfload.c:2315: pgb_reserved_va: Assertion `guest_base != 0' failed.
+Aborted
+root@nofan:~/qemu>
+
+The problem can be worked around by bind-mounting /proc from the host system into the target chroot:
+
+root@nofan:~/qemu> mount -o bind /proc/ /local_scratch/sid-m68k-sbuild/proc/
+root@nofan:~/qemu> chroot /local_scratch/sid-m68k-sbuild/
+bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
+(sid-m68k-sbuild)root@nofan:/#
+
+Host system is an up-to-date Debian unstable (2020-07-23).
+
+I have not been able to bisect the issue yet since there is another annoying linux-user bug (virtual memory exhaustion) that was somewhere introduced and fixed between v5.0.0 and HEAD and overshadows the original Assertion failure bug.
+
+Could you point me to a tar.gz with your rootfs?
+
+Here you go: https://people.debian.org/~glaubitz/sid-m68k-sbuild.tgz
+
+Thanks for looking into it!
+
+For the record, reproducing this problem requires root, thus
+trying to reproduce it outside of a chroot is non-obvious.
+
+https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg07224.html
+
+Fixed here:
+https://github.com/qemu/qemu/commit/c9f8066697e0d3e77b97f6df423e9d6540b693be
+