Package: borgbackup Version: 1.1.3-3 Severity: normal joey@elephant:~>borg serve --umask=077 Fatal Python error: Illegal instruction
Current thread 0x00007f3b0fb7c700 (most recent call first): File "/usr/lib/python3/dist-packages/borg/testsuite/crypto.py", line 91 in test_blake2b_256 File "/usr/lib/python3.6/unittest/case.py", line 605 in run File "/usr/lib/python3.6/unittest/case.py", line 653 in __call__ File "/usr/lib/python3.6/unittest/suite.py", line 122 in run File "/usr/lib/python3.6/unittest/suite.py", line 84 in __call__ File "/usr/lib/python3.6/unittest/suite.py", line 122 in run File "/usr/lib/python3/dist-packages/borg/selftest.py", line 64 in selftest File "/usr/lib/python3/dist-packages/borg/archiver.py", line 4020 in prerun_checks File "/usr/lib/python3/dist-packages/borg/archiver.py", line 4057 in run File "/usr/lib/python3/dist-packages/borg/archiver.py", line 4157 in main File "/usr/bin/borg", line 11 in <module> Illegal instruction - exit 132 This is new after 2017-12-21 15:42:24 upgrade borgbackup:amd64 1.0.11-3 1.1.3-3 Commenting out the assert blake2b_256 lines got the server working again. Used gdb to examine what's going on: (gdb) run /usr/bin/borg serve --umask=077 Starting program: /usr/bin/python3 /usr/bin/borg serve --umask=077 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Program received signal SIGILL, Illegal instruction. 0x00007ffff39b900a in blake2b_init_avx () from /usr/lib/x86_64-linux-gnu/libb2.so.1 (gdb) layout asm >│0x7ffff39b900a <blake2b_init_avx+10> vpxor %xmm0,%xmm0,%xmm0 │ │0x7ffff39b900e <blake2b_init_avx+14> sub $0x48,%rsp │ │0x7ffff39b9012 <blake2b_init_avx+18> mov $0x101,%eax │ │0x7ffff39b9017 <blake2b_init_avx+23> vmovaps %xmm0,(%rsp) │ So, it's using a AVX XOR instruction not supported by the CPU. This is on a Xen VPS host, I've included /proc/cpuinfo below. -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.9.0-2-amd64 (SMP w/2 CPU cores) Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages borgbackup depends on: ii fuse 2.9.7-1 ii libacl1 2.2.52-3+b1 ii libb2-1 0.97-4 ii libc6 2.25-5 ii liblz4-1 0.0~r131-2+b1 ii libssl1.1 1.1.0g-2 ii python3 3.6.4~rc1-2 ii python3-llfuse 1.3.2+dfsg-2 ii python3-msgpack 0.4.8-1+b1 ii python3-pkg-resources 38.2.4-2 borgbackup recommends no packages. Versions of packages borgbackup suggests: pn borgbackup-doc <none> -- no debconf information processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 62 model name : Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz stepping : 4 microcode : 0x416 cpu MHz : 2099.809 cache size : 15360 KB physical id : 1 siblings : 2 core id : 0 cpu cores : 1 apicid : 32 initial apicid : 32 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu de tsc msr pae cx8 apic sep cmov pat clflush mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc eagerfpu pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 popcnt tsc_deadline_timer aes avx f16c rdrand hypervisor lahf_lm bugs : null_seg bogomips : 4200.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 62 model name : Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz stepping : 4 microcode : 0x416 cpu MHz : 2099.809 cache size : 15360 KB physical id : 1 siblings : 2 core id : 0 cpu cores : 1 apicid : 32 initial apicid : 32 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu de tsc msr pae cx8 apic sep cmov pat clflush mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc eagerfpu pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 popcnt tsc_deadline_timer aes avx f16c rdrand hypervisor lahf_lm bugs : null_seg bogomips : 4200.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: -- see shy jo
signature.asc
Description: PGP signature
