PROBLEM: (GB_G05927) (PATCH ID: OSF520-995)
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Fix re_ioctl() cases DIODCMD and DIODCDB. Change to handle case where cmd 
transfer size has been changed to avoid kernel memory fault.
   PANIC: "kernel memory fault"

5 panic src/kernel/bsd/subr_prf.c
6 trap src/kernel/arch/alpha/trap.c
7 uaerror src/kernel/arch/alpha/locore.s
8 free src/kernel/bsd/kern_malloc.c
9 re_free_dbuf src/kernel/io/dec/eisa/re_driver.c
10 re_ioctl src/kernel/io/dec/eisa/re_driver.c
11 spec_ioctl src/kernel/vfs/spec_vnops.c
12 vn_ioctl src/kernel/vfs/vfs_vnops.c
13 ioctl_base src/kernel/bsd/sys_generic.c
14 ioctl src/kernel/bsd/sys_generic.c