Public bug reported: When using tap network devices and it fails, qemu gives no information about what the problem is (permission denied, device busy or other), making debugging of such situations, especially for newbies, very difficult. The proposed patch just adds strerror() around the place, making it more friendly.
See also Debian bug#578154, http://bugs.debian.org/cgi- bin/bugreport.cgi?bug=578154 and a discussion on qemu-devel at http://marc.info/?t=127192875200003 . ** Affects: qemu Importance: Undecided Status: New ** Tags: patch -- no useful error message when tap device open fails https://bugs.launchpad.net/bugs/584153 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: New Bug description: When using tap network devices and it fails, qemu gives no information about what the problem is (permission denied, device busy or other), making debugging of such situations, especially for newbies, very difficult. The proposed patch just adds strerror() around the place, making it more friendly. See also Debian bug#578154, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578154 and a discussion on qemu-devel at http://marc.info/?t=127192875200003 .