Re: kern/48849: root mirror raid fails on shutdown

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

Root is on raid7a, made from /dev/dk0 and /dev/dk7
...
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
...
raid5: detached
dk13 at wd1 (df25cd9b-6326-11e3-8f70-10bf48bd3389) deleted
dk13: detached
dk12 at wd1 (df25cd92-6326-11e3-8f70-10bf48bd3389) deleted
dk12: detached
dk10 at wd1 (df25cd7f-6326-11e3-8f70-10bf48bd3389) deleted
dk10: detached
dk9 at wd1 (df25cd76-6326-11e3-8f70-10bf48bd3389) deleted
dk9: detached
dk8 at wd1 (df25cd6b-6326-11e3-8f70-10bf48bd3389) deleted
dk8: detached
dk6 at wd0 (80706d9e-e1f8-11e3-9080-10bf48bd3389) deleted
dk6: detached
dk5 at wd0 (80706d9b-e1f8-11e3-9080-10bf48bd3389) deleted
dk5: detached
dk3 at wd0 (80706d94-e1f8-11e3-9080-10bf48bd3389) deleted
dk3: detached
dk2 at wd0 (80706d90-e1f8-11e3-9080-10bf48bd3389) deleted
dk2: detached
dk1 at wd0 (80706d8c-e1f8-11e3-9080-10bf48bd3389) deleted
dk1: detached
unmounting 0xfffffe811b89b008 /home (/dev/cgd0a)...
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
forcefully unmounting /home (/dev/cgd0a)...
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
cgd0: detached
raid4: detached
raid4: detached
dk11 at wd1 (df25cd88-6326-11e3-8f70-10bf48bd3389) deleted
dk11: detached
dk4 at wd0 (80706d97-e1f8-11e3-9080-10bf48bd3389) deleted
dk4: detached
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
forcefully unmounting / (/dev/raid7a)...
raid7: IO Error.  Marking /dev/dk0 as failed.
dk0 at wd0 (80706d87-e1f8-11e3-9080-10bf48bd3389) deleted
wd0: detached
atabus4: detached
raid7: detached
raid7: detached
dk7 at wd1 (df25cd61-6326-11e3-8f70-10bf48bd3389) deleted
dk7: detached
wd1: detached