Am 23.05.2013 13:51, schrieb Christian Borntraeger: > With the ccw ipl code sometimes an error message like > "virtio: trying to map MMIO memory" or > "Guest moved used index from %u to %u" appeared. Turns out > that the ccw bios did not zero out the vring, which might > cause stale values in avail->idx and friends, especially > on reboot. > > Lets zero out the relevant fields. To activate the patch we > need to rebuild s390-ccw.img as well. > > Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com>
Tested-by: Andreas Färber <afaer...@suse.de> Indeed no such errors any more, but I'm still seeing other issues with rebooting some initrds (BNC#812983). Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
