Bug exists in both current master and stable v0.12.4, but the suggested fix doesn't leave room for the null terminating byte, will submit upstream a better version.
** Changed in: qemu Status: New => In Progress -- qemu fails to set hdd serial number https://bugs.launchpad.net/bugs/584143 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: In Progress Status in “qemu-kvm” package in Ubuntu: Triaged Status in “qemu-kvm” source package in Lucid: New Status in “qemu-kvm” package in Debian: Unknown Bug description: The -drive ...,serial=xyz option is broken, at least in 0.12. See Debian bug#573439, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=573439 for details. The proposed fix from the original reporter: --- qemu-kvm-0.12.3+dfsg/vl.c 2010-02-26 11:34:00.000000000 +0900 +++ qemu-kvm-0.12.3+dfsg.old/vl.c 2010-03-11 02:26:00.134217787 +0900 @@ -2397,7 +2397,7 @@ dinfo->on_write_error = on_write_error; dinfo->opts = opts; if (serial) - strncpy(dinfo->serial, serial, sizeof(serial)); + strncpy(dinfo->serial, serial, sizeof(dinfo->serial)); QTAILQ_INSERT_TAIL(&drives, dinfo, next); if (is_extboot) { extboot_drive = dinfo;