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

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

Your patch cures the problem: raid7 no longer is failed on shutdown.

With your patch, all raidframe and cgd are successfully found and configured.
raidctl -R /dev/dk0 raid7   is successful
On shutdown:

unmounting 0xfffffe810e750008 / (/dev/raid7a)...
Entering dounmount / (/dev/raid7a)...
VFS_SYNC(/) = 0
VFS_UNMOUNT(/) = 16 
unmounting 0xfffffe821cbc8008 /home (/dev/cgd0a)...
Entering dounmount /home (/dev/cgd0a)...
VFS_SYNC(/home) = 0
VFS_UNMOUNT(/home) = 16 
unmounting 0xfffffe810e750008 / (/dev/raid7a)...
Entering dounmount / (/dev/raid7a)...
VFS_SYNC(/) = 0
VFS_UNMOUNT(/) = 16 
cd0: detached
...
dk1: detached
unmounting 0xfffffe821cbc8008 /home (/dev/cgd0a)...
Entering dounmount /home (/dev/cgd0a)...
VFS_SYNC(/home) = 0
VFS_UNMOUNT(/home) = 16 
unmounting 0xfffffe810e750008 / (/dev/raid7a)...
Entering dounmount / (/dev/raid7a)...
VFS_SYNC(/) = 0
VFS_UNMOUNT(/) = 16 
forcefully unmounting /home (/dev/cgd0a)...
Entering dounmount /home (/dev/cgd0a)...
VFS_SYNC(/home) = 0
force: tag VT_UFS, ino 367616, on dev 20, 0 flags 0x0, nlink 62
        mode 040755, owner 2171, group 0, size 9216
VFS_UNMOUNT(/home) = 0 forced
called vfs_hooks_unmount(/home)
Successfully exiting dounmount /home (/dev/cgd0a)...
unmounting 0xfffffe810e750008 / (/dev/raid7a)...
Entering dounmount / (/dev/raid7a)...
VFS_SYNC(/) = 0
VFS_UNMOUNT(/) = 16 
cgd0: detached
...
dk4: detached
unmounting 0xfffffe810e750008 / (/dev/raid7a)...
Entering dounmount / (/dev/raid7a)...
VFS_SYNC(/) = 0
VFS_UNMOUNT(/) = 16 
forcefully unmounting / (/dev/raid7a)...
Entering dounmount / (/dev/raid7a)...
VFS_SYNC(/) = 0
force: tag VT_UFS, ino 2, on dev 18, 112 flags 0x0, nlink 31
        mode 040755, owner 0, group 0, size 1024
force: tag VT_UFS, ino 107681, on dev 18, 112 flags 0x0, nlink 1
        mode 0100555, owner 0, group 0, size 30818
force: tag VT_UFS, ino 107611, on dev 18, 112 flags 0x0, nlink 1
        mode 0100555, owner 0, group 0, size 92163
force: tag VT_UFS, ino 43209, on dev 18, 112 flags 0x0, nlink 1
        mode 0100444, owner 0, group 0, size 105508
force: tag VT_UFS, ino 43185, on dev 18, 112 flags 0x0, nlink 1
        mode 0100444, owner 0, group 0, size 31017
force: tag VT_UFS, ino 43053, on dev 18, 112 flags 0x0, nlink 1
        mode 0100444, owner 0, group 0, size 55263
force: tag VT_UFS, ino 43180, on dev 18, 112 flags 0x0, nlink 1
        mode 0100444, owner 0, group 0, size 1611473
force: tag VT_UFS, ino 107676, on dev 18, 112 flags 0x0, nlink 3
        mode 0100555, owner 0, group 0, size 13022
VFS_UNMOUNT(/) = 0 forced
called vfs_hooks_unmount(/)
Successfully exiting dounmount / (/dev/raid7a)...
raid7: detached
raid7: detached
dk7 at wd1 (df25cd61-6326-11e3-8f70-10bf48bd3389) deleted
dk7: detached
dk0 at wd0 (80706d87-e1f8-11e3-9080-10bf48bd3389) deleted
dk0: detached
wd1: detached
wd0: detached
atabus5: detached
atabus4: detached
acpi0: entering state S5