misc/159402: [zfs][loader] symlinks cause I/O errors

[Test Rat]

>Number:         159402
>Category:       misc
>Synopsis:       [zfs][loader] symlinks cause I/O errors
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-fs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Aug 03 03:30:11 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Anonymous
>Release:        FreeBSD 9.0-CURRENT amd64
>Organization:
>Environment:
>Description:
Unlike loader (on UFS) that follows symlinks zfsloader chokes on them.
>How-To-Repeat:
$ cd /boot
$ mv kernel foo
$ ln -s foo kernel

$ qemu-system-x86_64 -nographic ...
Consoles: serial port
BIOS drive C: is disk0
BIOS 637kB/523252kB available memory

FreeBSD/x86 ZFS enabled bootstrap loader, Revision 1.1
(root at build-amd64-fbsd.allbsd.org, Thu Jul 21 04:11:07 UTC 2011)
Loading /boot/defaults/loader.conf
ZFS: i/o error - all block copies unavailable
ZFS: i/o error - all block copies unavailable
ZFS: i/o error - all block copies unavailable
ZFS: i/o error - all block copies unavailable
Unable to load a kernel!
|
can't load 'kernel'
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: