Hi!
> > There are certain testcases that needs a separate filesystem partition
> > to play with, if you don't pass physical disk partition to the runtest
> > script a loopback device is created, formatted and mounted.
> >
> >> 10240+0 records in
> >> 10240+0 records out
> >> 10240000 bytes (10 MB) copied, 0.260004 s, 39.4 MB/s
> >> ^C
> >>
> >> root# dmesg | tail
> >>
> >> [ 78.095907] EXT4-fs (loop1): VFS: Can't find ext4 filesystem <--- ???
> >
> > This simply looks like the 10MB image is not enough for the ext4 journal
> > for some reason.
> >
> > Try following patch that increases the size to 100MB.
> >
> > diff --git a/runltp b/runltp
> > index a8bf404..7955f44 100755
> > --- a/runltp
> > +++ b/runltp
> > @@ -984,7 +984,7 @@ main()
> > create_block()
> > {
> > #create a block device with ext4 filesystem.
> > - dd if=/dev/zero of=${TMP}/test.img bs=1kB count=10240 &>/dev/null
> > + dd if=/dev/zero of=${TMP}/test.img bs=1kB count=102400 &>/dev/null
> > if [ $? -ne 0 ]; then
> > echo "Failed to create loopback device image, please check disk
> > space and re-run"
> > return 1
> > --
>
> Hmm, that did not help.
What was the error message, same as previous?
> How much disc-space someone need on the partition where LTP resides
> (where the tests are performed)?
Not much, I do not know the precise number but about gigabyte should be
enough (and far less when you omit aio and fs stress tests).
> $ LANG=C LC_ALL=C df -T
> Filesystem Type 1K-blocks Used Available Use% Mounted on
> rootfs rootfs 17753424 12825524 4003024 77% /
> udev devtmpfs 1960968 4 1960964 1% /dev
> tmpfs tmpfs 788020 888 787132 1% /run
> /dev/sda2 fuseblk 465546236 107358584 358187652 24% /host
> /dev/loop0 ext4 17753424 12825524 4003024 77% /
> none tmpfs 5120 0 5120 0% /run/lock
> none tmpfs 1970048 156 1969892 1% /run/shm
>
> Can I use a different partition where I have more disc-space available?
LTP uses TMPDIR env variable for that (and defaults to /tmp/ when TMPDIR
is not set).
--
Cyril Hrubis
[email protected]
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