This, or something indistinguishable from it, is still happening in Ubunut 15.10:
[odroid@host:~/fossil/cwal/s2]$ cat /etc/issue Ubuntu 15.10 \n \l [odroid@host:~/fossil/cwal/s2]$ uname -a Linux odroid 3.8.13.30 #1 SMP PREEMPT Fri Feb 20 14:34:08 BRST 2015 armv7l armv7l armv7l GNU/Linux [odroid@host:~/fossil/cwal/s2]$ valgrind --version valgrind-3.11.0 [odroid@host:~/fossil/cwal/s2]$ gcc --version gcc-5.real (Ubuntu 5.2.1-22ubuntu2) 5.2.1 20151010 ... but my repro case is not trivial. The errors are very similar, though: ==5160== HEAP SUMMARY: ==5160== in use at exit: 0 bytes in 0 blocks ==5160== total heap usage: 596 allocs, 596 frees, 22,345 bytes allocated ==5160== ==5160== All heap blocks were freed -- no leaks are possible ==5160== ==5160== ERROR SUMMARY: 2240 errors from 4 contexts (suppressed: 3 from 3) ==5160== ==5160== 448 errors in context 1 of 4: ==5160== Use of uninitialised value of size 4 ==5160== at 0x6A850: ??? (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== Uninitialised value was created by a stack allocation ==5160== at 0x6A844: ??? (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== ==5160== ==5160== 448 errors in context 2 of 4: ==5160== Use of uninitialised value of size 4 ==5160== at 0x6A956: __udivmoddi4 (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== Uninitialised value was created by a stack allocation ==5160== at 0x6A844: ??? (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== ==5160== ==5160== 448 errors in context 3 of 4: ==5160== Conditional jump or move depends on uninitialised value(s) ==5160== at 0x6A954: __udivmoddi4 (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== Uninitialised value was created by a stack allocation ==5160== at 0x6A844: ??? (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== ==5160== ==5160== 896 errors in context 4 of 4: ==5160== Invalid write of size 4 ==5160== at 0x6A844: ??? (in /home/odroid/fossil/cwal/s2/s2sh) ==5160== Address 0xbdaf5890 is on thread 1's stack ==5160== 16 bytes below stack pointer none of these show up on x86/64, and the lack of symbol names/locations is inexplicable, as all code is built with -g (debugging). -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mir in Ubuntu. https://bugs.launchpad.net/bugs/1435186 Title: valgrind on armhf fails with with many errors Status in Mir: Fix Released Status in Mir 0.12 series: Fix Released Status in mir package in Ubuntu: Fix Released Bug description: Valgrind is now failing on armhf. Both in CI and when tested manually. This is the first and most obvious error, but there are more... [ RUN ] UdevWrapperDeathTest.DereferencingEndReturnsInvalidObject ==10542== Invalid write of size 4 ==10542== at 0x4ECA00C: ??? (in /lib/arm-linux-gnueabihf/libc-2.21.so) ==10542== Address 0xbdbafa88 is on thread 1's stack ==10542== 16 bytes below stack pointer ==10542== ==10542== Conditional jump or move depends on uninitialised value(s) ==10542== at 0x4ECA118: __udivmoddi4 (in /lib/arm-linux-gnueabihf/libc-2.21.so) ==10542== ==10542== Use of uninitialised value of size 4 ==10542== at 0x4ECA11A: __udivmoddi4 (in /lib/arm-linux-gnueabihf/libc-2.21.so) ==10542== ==10542== Use of uninitialised value of size 4 ==10542== at 0x4ECA018: ??? (in /lib/arm-linux-gnueabihf/libc-2.21.so) ==10542== ==10611== ==10611== Process terminating with default action of signal 11 (SIGSEGV) ==10611== Bad permissions for mapped region at address 0x2CDA000 ==10611== at 0x2CDA000: ??? (in /home/phablet/mir/dev/bin/.mir_unit_tests-uninstalled) ==10611== ==10611== HEAP SUMMARY: ==10611== in use at exit: 392,022 bytes in 7,695 blocks ==10611== total heap usage: 19,288 allocs, 11,593 frees, 1,117,616 bytes allocated ==10611== ==10611== LEAK SUMMARY: ==10611== definitely lost: 0 bytes in 0 blocks ==10611== indirectly lost: 0 bytes in 0 blocks ==10611== possibly lost: 137,447 bytes in 3,483 blocks ==10611== still reachable: 254,507 bytes in 4,211 blocks ==10611== suppressed: 0 bytes in 0 blocks ==10611== Reachable blocks (those to which a pointer was found) are not shown. ==10611== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==10611== ==10611== For counts of detected and suppressed errors, rerun with: -v ==10611== Use --track-origins=yes to see where uninitialised values come from ==10611== ERROR SUMMARY: 55 errors from 4 contexts (suppressed: 6 from 6) To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1435186/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp