On 04/28/11 15:41, Kevin Wolf wrote: >>> Finally, what's the expect behavior when -snapshot is used? I'm getting >>> >> this: >>> >> >>> >> (qemu) snapshot_blkdev ide0-hd0 snap-test >>> >> Could not open '/tmp/vl.6w8YXA' >>> >> (qemu) >> > >> > What type of file system is your /tmp? You need to provide full path to >> > the snapshot file if you don't want it created next to where your qemu >> > binary is being executed. > I think the problem is that this is a temporary file, i.e. unlinked > directly after it has been opened. Trying to reopen a deleted file is a > bad idea.
True, but if /tmp is tmpfs, it isn't possible to open things O_DIRECT, which could also be the source of the problem here. Jes
