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runqemu: allow multiple unfs instances to run simultaneously 

A miscalculation in the way the port numbers of mountd and nfsd
are created was causing conflicts when starting multiple instances
of qemu using userspace nfs.

Thanks to Rudolf Streif for proposing this fix!

Fixes [YOCTO #1969]

(From OE-Core rev: 94eef772c283170d19ba92c8de0054cd093fc487)

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Garman 2012-10-03 15:13:53 -07:00 committed by Richard Purdie
parent 746a86758b
commit ee76b805f9
2 changed files with 4 additions and 4 deletions
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4
scripts/runqemu-export-rootfs
View File

@ -82,9 +82,9 @@ NFS_MOUNTPROG=$[ 21111 + $NFS_INSTANCE ]
# rpc.nfsd RPC port
NFS_NFSPROG=$[ 11111 + $NFS_INSTANCE ]
# NFS port number
NFS_PORT=$[ 3049 + $NFS_INSTANCE ]
NFS_PORT=$[ 3049 + 2 * $NFS_INSTANCE ]
# mountd port number
MOUNT_PORT=$[ 3048 + $NFS_INSTANCE ]
MOUNT_PORT=$[ 3048 + 2 * $NFS_INSTANCE ]
## For debugging you would additionally add
## --debug all

4
scripts/runqemu-internal
View File

@ -277,8 +277,8 @@ if [ "$FSTYPE" = "nfs" ]; then
NFS_DIR=`echo $ROOTFS | sed 's/^[^:]*:\(.*\)/\1/'`
MOUNTD_RPCPORT=$[ 21111 + $NFS_INSTANCE ]
NFSD_RPCPORT=$[ 11111 + $NFS_INSTANCE ]
NFSD_PORT=$[ 3049 + $NFS_INSTANCE ]
MOUNTD_PORT=$[ 3048 + $NFS_INSTANCE ]
NFSD_PORT=$[ 3049 + 2 * $NFS_INSTANCE ]
MOUNTD_PORT=$[ 3048 + 2 * $NFS_INSTANCE ]
UNFS_OPTS="nfsvers=2,mountprog=$MOUNTD_RPCPORT,nfsprog=$NFSD_RPCPORT,udp,port=$NFSD_PORT,mountport=$MOUNTD_PORT"
PSEUDO_LOCALSTATEDIR=~/.runqemu-sdk/pseudo