On Wed, Jan 27, 2021 at 03:21:43PM +0800, Zorro Lang wrote: > The ltp/fsstress always fails on io_uring_queue_init() by returnning > ENOMEM. Due to io_uring accounts memory it needs under the rlimit > memlocked option, which can be quite low on some setups, especially > on 64K pagesize machine. root isn't under this restriction, but > regular users are. So only g/233 and g/270 which use $qa_user to run > fsstress are failed. > > To avoid this failure, set max locked memory to unlimited before doing > fsstress, then restore it after test done. > > Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx> > --- > tests/generic/233 | 8 ++++++++ > tests/generic/270 | 8 ++++++++ > 2 files changed, 16 insertions(+) > > diff --git a/tests/generic/233 b/tests/generic/233 > index 7eda5774..342690c2 100755 > --- a/tests/generic/233 > +++ b/tests/generic/233 > @@ -43,6 +43,13 @@ _fsstress() > -f rename=10 -f fsync=2 -f write=15 -f dwrite=15 \ > -n $count -d $out -p 7` > > + # io_uring accounts memory it needs under the rlimit memlocked option, > + # which can be quite low on some setups (especially 64K pagesize). root > + # isn't under this restriction, but regular users are. To avoid the > + # io_uring_queue_init fail on ENOMEM, set max locked memory to unlimited > + # temporarily. > + lmem=`ulimit -l` > + ulimit -l unlimited Should this apply to all the other tests that run fsstress? $ grep -l FSSTRESS_PROG tests/ | wc -l 94 --D > echo "fsstress $args" >> $seqres.full > if ! su $qa_user -c "$FSSTRESS_PROG $args" | tee -a $seqres.full | _filter_num > then > @@ -50,6 +57,7 @@ _fsstress() > cat $tmp.out | tee -a $seqres.full > status=1 > fi > + ulimit -l $lmem > } > > # real QA test starts here > diff --git a/tests/generic/270 b/tests/generic/270 > index 3d8656d4..bd52d56e 100755 > --- a/tests/generic/270 > +++ b/tests/generic/270 > @@ -37,6 +37,13 @@ _workout() > cp $FSSTRESS_PROG $tmp.fsstress.bin > $SETCAP_PROG cap_chown=epi $tmp.fsstress.bin > > + # io_uring accounts memory it needs under the rlimit memlocked option, > + # which can be quite low on some setups (especially 64K pagesize). root > + # isn't under this restriction, but regular users are. To avoid the > + # io_uring_queue_init fail on ENOMEM, set max locked memory to unlimited > + # temporarily. > + lmem=`ulimit -l` > + ulimit -l unlimited > (su $qa_user -c "$tmp.fsstress.bin $args" &) > /dev/null 2>&1 > > echo "Run dd writers in parallel" > @@ -50,6 +57,7 @@ _workout() > done > > $KILLALL_PROG -w $tmp.fsstress.bin > + ulimit -l $lmem > } > > # real QA test starts here > -- > 2.29.2 >
