Displaying 2 results from an estimated 2 matches for "device_backend_callback".
2012 Sep 29
0
Xen 4.2.1-pre DomU create error
...0000000000100000->000000000019ddf0
TOTAL: 0000000000000000->000000001f800000
ENTRY ADDRESS: 0000000000100000
xc: info: PHYSICAL MEMORY ALLOCATION:
4KB PAGES: 0x0000000000000200
2MB PAGES: 0x00000000000000fb
1GB PAGES: 0x0000000000000000
libxl: error: libxl_device.c:858:device_backend_callback: unable to
disconnect device with path /local/domain/0/backend/vbd/4/51744
libxl: error: libxl_create.c:933:domcreate_launch_dm: unable to add disk
devices
libxl: error: libxl_dm.c:1239:libxl__destroy_device_model: could not find
device-model''s pid for dom 4
libxl: error: libxl.c:1429:libx...
2015 Oct 05
1
Kernel oops on the dom0
...defunct>
root 24625 0.0 0.0 0 0 ? Ds Oct02 0:06 [tapdisk]
At this point the dom0 is still up and running existing VMs fine, I can also migrate live VMs off of it successfully although the post-migration clean up fails and hangs:
libxl: error: libxl_device.c:935:device_backend_callback: unable to remove device with path /local/domain/0/backend/vbd/17/51712
Host is running centos 7 with the 4.4.2-7 package and kernel 3.10.68-11.el6.centos.alt.x86_64. I've also attached xl dmesg.
First time I've seen anything like this and not sure if his networking/bridging in the...