qemu-iotests: Fix stderr handling in common.qemu
The original intention was to pipe stderr of qemu into $fifo_out. However, the redirections were specified in the wrong order for this. This patch fixes it. Now qemu's output on stderr can be retrieved with _send_qemu_cmd, which applies several useful filters on the output that were missing before. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Message-id: 1416497234-29880-9-git-send-email-kwolf@redhat.com Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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