2.6.6-rc3 is not able to access any dasd on my s390 guest. It fails with the following error: | dasd(eckd): Read device characteristics returned error -5 | dasd_generic couldn't online device 0.0.0882 with discipline ECKD 2.6.5 works fine. Bastian -- Oblivion together does not frighten me, beloved. -- Thalassa (in Anne Mulhall's body), "Return to Tomorrow", stardate 4770.3.