Date: Thu, 1 Nov 2018 21:39:34 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340021 - head/sys/dev/cxgbe Message-ID: <201811012139.wA1LdYaK013067@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: jhb Date: Thu Nov 1 21:39:33 2018 New Revision: 340021 URL: https://svnweb.freebsd.org/changeset/base/340021 Log: Assert that reclaim_tx_descs() is always making forward progress. MFC after: 2 months Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/t4_sge.c Modified: head/sys/dev/cxgbe/t4_sge.c ============================================================================== --- head/sys/dev/cxgbe/t4_sge.c Thu Nov 1 21:34:17 2018 (r340020) +++ head/sys/dev/cxgbe/t4_sge.c Thu Nov 1 21:39:33 2018 (r340021) @@ -5079,6 +5079,9 @@ reclaim_tx_descs(struct sge_txq *txq, u_int n) KASSERT(can_reclaim >= ndesc, ("%s: unexpected number of credits: %d, %d", __func__, can_reclaim, ndesc)); + KASSERT(ndesc != 0, + ("%s: descriptor with no credits: cidx %d", + __func__, eq->cidx)); for (m = txsd->m; m != NULL; m = nextpkt) { nextpkt = m->m_nextpkt;
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201811012139.wA1LdYaK013067>