From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Wed, 17 Apr 2019 01:19:26 +0000 (-0700)
Subject: check: filter lockdep bugs when scanning dmesg
X-Git-Tag: v2022.05.01~1182
X-Git-Url: http://git.apps.os.sepia.ceph.com/?p=xfstests-dev.git;a=commitdiff_plain;h=872050db3cac9cbcc3f89619eb3f36ae9861d239;hp=d0e484ac699f53328a9005b7c1dfa27c747f44d9

check: filter lockdep bugs when scanning dmesg

Ignore lockdep complaining about its own bugginess when scanning dmesg
output, because we shouldn't be failing filesystem tests on account of
lockdep.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
---

diff --git a/common/rc b/common/rc
index 8b503eb6..cbd3c59a 100644
--- a/common/rc
+++ b/common/rc
@@ -3497,6 +3497,16 @@ _check_dmesg_for()
 	_dmesg_since_test_start | egrep -q "$1"
 }
 
+# Default filter for dmesg scanning.
+# Ignore lockdep complaining about its own bugginess when scanning dmesg
+# output, because we shouldn't be failing filesystem tests on account of
+# lockdep.
+_check_dmesg_filter()
+{
+	egrep -v -e "BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low" \
+		-e "BUG: MAX_STACK_TRACE_ENTRIES too low"
+}
+
 # check dmesg log for WARNING/Oops/etc.
 _check_dmesg()
 {
@@ -3508,7 +3518,7 @@ _check_dmesg()
 	# default filter is a simple cat command, caller could provide a
 	# customized filter and pass the name through the first argument, to
 	# filter out intentional WARNINGs or Oopses
-	local filter=${1:-cat}
+	local filter=${1:-_check_dmesg_filter}
 
 	_dmesg_since_test_start | $filter >$seqres.dmesg
 	egrep -q -e "kernel BUG at" \