Date: Tue, 12 Jul 2016 21:56:57 +0000 (UTC) From: "Conrad E. Meyer" <cem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r302683 - head/sys/dev/ioat Message-ID: <201607122156.u6CLuvnS028921@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: cem Date: Tue Jul 12 21:56:57 2016 New Revision: 302683 URL: https://svnweb.freebsd.org/changeset/base/302683 Log: ioat(4): Assert against ring underflow Modified: head/sys/dev/ioat/ioat.c Modified: head/sys/dev/ioat/ioat.c ============================================================================== --- head/sys/dev/ioat/ioat.c Tue Jul 12 21:56:55 2016 (r302682) +++ head/sys/dev/ioat/ioat.c Tue Jul 12 21:56:57 2016 (r302683) @@ -702,6 +702,11 @@ ioat_process_events(struct ioat_softc *i ioat->tail++; if (desc->hw_desc_bus_addr == status) break; + + KASSERT(ioat_get_active(ioat) > 0, ("overrunning ring t:%u " + "h:%u st:0x%016lx last_seen:%016lx completed:%u\n", + ioat->tail, ioat->head, comp_update, ioat->last_seen, + completed)); } ioat->last_seen = desc->hw_desc_bus_addr;
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201607122156.u6CLuvnS028921>