From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Date: Fri, 03 Jul 2015 11:41:29 +0000 Subject: Re: Possible regression due to "tick: broadcast: Prevent livelock from event handler" Message-Id: <20150703114129.GA10368@katana> MIME-Version: 1 Content-Type: multipart/mixed; boundary="CE+1k2dSO48ffgeK" List-Id: References: <20150703024044.GB24695@verge.net.au> <20150703105441.GF1521@katana> <20150703110249.GV7557@n2100.arm.linux.org.uk> <20150703110730.GG1521@katana> <20150703111358.GW7557@n2100.arm.linux.org.uk> In-Reply-To: <20150703111358.GW7557@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org --CE+1k2dSO48ffgeK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 03, 2015 at 12:13:58PM +0100, Russell King - ARM Linux wrote: > On Fri, Jul 03, 2015 at 01:07:31PM +0200, Wolfram Sang wrote: > > > Please share your .config file for this case. Thanks. > >=20 > > Here it goes... >=20 > Please try: >=20 > sed -i s/IRQSOFF_TRACER/TRACE_IRQFLAGS/ arch/arm/kernel/entry-armv.S Yes, this fixes the lockdep issue with HRTIMERS. For completeness, it does not fix the freeze without HRTIMERS. Thanks Russell! Tested-by: Wolfram Sang --CE+1k2dSO48ffgeK Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJVlnTpAAoJEBQN5MwUoCm25hoP/2aWnaYWSvgZ7Wu78ns05ARX bvaKCtq550YZmwmBAiY/bapulbMHoU4qi6zpTFcntUCGaaaozNK9kaLWRx/Z2fjE 1GBa0mkbkesvgVoIAOUCxdiUYRVcgIQQkKWYT1W7ivpbv/cMe2tm4Ve9+LSlGeeP kJVhc2PU+A/+W+JzXJVA35x7zUJn4se4ihm6ltAtNOwv7G/cW5b41Koz8l5VZO+7 /cqb864sYJ7JTg3sU8I7628Oc7TjFJP4kMmVk/wDhJ8qAu/awYHn4etCo/QY6TzW q8VzLVIFa4BhF1V6AmYL8sL0SOfxkpd5aYgyDRkucDUhUkj/71jfum/yixxEVGcd T1XAeIHg0Oy/Bay6T0/bCPcqbO475eoYG+urksKgRPYiZYMKe+F9aW/IGiIlMtdy V7EdnP9m6l9GWCAhqwOM1wmlZLB6JhipQdUjKPoogvokPO20NVtbLOPqunCHj1iU 1RpozDxeWuw49G8pAexuDHFa1v3uK4wu3m1Tvr4X+AlR29nn1G5TZ7Y5CAP5iagl x2vDo4/00vA9vFCgj0IIWkHXelTV7x2qUhgF3s3YQy540QmI27uc+GlbMnhZdKtJ 4KmFF/qp7a27+yLHmnwyoL2Z1Be1NrUH7xTzIkZLBrhoUeMk6j0dUrOrKJnryyxJ 4pG+N6TBz+NO9UJURyF8 =/v9J -----END PGP SIGNATURE----- --CE+1k2dSO48ffgeK--