Moving to QEMU-Ubuntu since you're not using upstream QEMU (and the bug should have been fixed there as pointed out by Hervé on the qemu-devel mailing list).
** Project changed: qemu => qemu (Ubuntu) -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1684239 Title: vvfat core dump when enabling RW Status in qemu package in Ubuntu: New Bug description: Hi guys, I'm getting this qemu crash message: >>> qemu-system-x86_64: /build/qemu-TziMIO/qemu-2.5+dfsg/block/vvfat.c:2290: commit_direntries: Assertion `!strncmp(s->directory.pointer, "QEMU", 4)' failed. >>> Aborted (core dumped) when launching qemu with this options for a VVFAT drive: >>> -drive file=fat:rw:./ROOT,if=virtio (same happens when using cache=none and/or if=ide) "uname -a" system info is: >>> Linux RJZ-WRK-LNX 4.4.0-72-generic #93-Ubuntu SMP Fri Mar 31 14:07:41 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux and "qemu --version" is: >>> QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.10), Copyright (c) 2003-2008 Fabrice Bellard Not sure what logs to attach but I'll be glad to upload whatever needed. Thanks in advance for you help, Rolando To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1684239/+subscriptions
