I've only seen this once, a rebuild succeeded. Worker was fedora32-ty-1. Build directory saved in /home/pokybuild/buildtools-saved-20202708 https://autobuilder.yoctoproject.org/typhoon/#/builders/20/builds/2649 [ 7.991521] udevd[99]: starting version 3.2.9 [ 8.094714] udevd[100]: starting eudev-3.2.9 [ 69.496939] udevd[100]: worker [105] /devices/pci0000:00/0000:00:15.0/virtio2/block/vda is taking a long time [ 189.679006] udevd[100]: worker [105] /devices/pci0000:00/0000:00:15.0/virtio2/block/vda timeout; kill it [ 189.694177] udevd[100]: seq 698 '/devices/pci0000:00/0000:00:15.0/virtio2/block/vda' killed [ 189.703849] udevd[100]: worker [105] terminated by signal 9 (Killed) [ 189.713923] udevd[100]: worker [105] failed while handling '/devices/pci0000:00/0000:00:15.0/virtio2/block/vda' WARNING: Check full boot log: TOPDIR/tmp/work/qemumips-poky-linux/core-image-minimal/1.0-r0/testimage/qemu_boot_log.20200826163930 WARNING: Qemu ended unexpectedly, dump data from host is in TOPDIR/tmp/log/runtime-hostdump/202008261704_qemu
Many occurrences today: https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3002/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3002/steps/16 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3002/steps/19 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3002/steps/22 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3002/steps/27 https://autobuilder.yoctoproject.org/typhoon/#/builders/64/builds/2973/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/45/builds/2977/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/40/builds/2974/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/50/builds/2969/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/61/builds/2964/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/53/builds/2987/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/47/builds/2987/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/42/builds/2970/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/60/builds/2969/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/63/builds/2954/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/59/builds/2964/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/57/builds/2951/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/57/builds/2951/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/76/builds/2964/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/76/builds/2964/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/69/builds/2966/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/69/builds/2966/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/19 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/23 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/26 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/29 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3004/steps/32 https://autobuilder.yoctoproject.org/typhoon/#/builders/110/builds/1868/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/97/builds/2295/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/96/builds/1427/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/1457/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/102/builds/1310/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/74/builds/2969/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/107/builds/1299/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/73/builds/2968/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/109/builds/1906/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/95/builds/1557/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/81/builds/1736/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/101/builds/1863/steps/14
More occurrences: https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3012/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3012/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3012/steps/18 https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/3012/steps/21 https://autobuilder.yoctoproject.org/typhoon/#/builders/45/builds/2987/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/40/builds/2984/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/50/builds/2979/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/53/builds/2997/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/47/builds/2997/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/42/builds/2980/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/59/builds/2974/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/57/builds/2961/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/57/builds/2961/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/64/builds/2983/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/76/builds/2974/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/76/builds/2974/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/61/builds/2974/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/69/builds/2976/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/69/builds/2976/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/15 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/19 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/23 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/26 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/29 https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/3014/steps/32 https://autobuilder.yoctoproject.org/typhoon/#/builders/110/builds/1878/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/97/builds/2305/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/96/builds/1436/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/1466/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/60/builds/2979/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/102/builds/1319/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/74/builds/2979/steps/14 https://autobuilder.yoctoproject.org/typhoon/#/builders/63/builds/2964/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/107/builds/1308/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/73/builds/2978/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/109/builds/1916/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/95/builds/1566/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/81/builds/1745/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/101/builds/1873/steps/13 https://autobuilder.yoctoproject.org/typhoon/#/builders/50/builds/2972/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/76/builds/2967/steps/12 https://autobuilder.yoctoproject.org/typhoon/#/builders/76/builds/2967/steps/15
The previous two comments are due to Saul's QMP patch but Steve's original issue is still open.
Likely resource starvation problem but this specific issue has not happened again so closing. *** This bug has been marked as a duplicate of bug 14184 ***