Date: Wed, 18 Jul 2018 18:28:17 +0000 (UTC) From: Eugene Grosbein <eugen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336461 - head/sys/dev/bge Message-ID: <201807181828.w6IISHOJ041501@repo.freebsd.org>
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Author: eugen Date: Wed Jul 18 18:28:17 2018 New Revision: 336461 URL: https://svnweb.freebsd.org/changeset/base/336461 Log: bge(4): disable MSI for BGE_ASICREV_BCM5784/BGE_CHIPREV_5784_AX found in some MacBook Pro. PR: 229727 Reported by: Stephan Neuhaus <sten@artdecode.de> and others Tested by: Stephan Neuhaus <sten@artdecode.de> Approved by: mav (mentor) MFC after: 1 month Modified: head/sys/dev/bge/if_bge.c Modified: head/sys/dev/bge/if_bge.c ============================================================================== --- head/sys/dev/bge/if_bge.c Wed Jul 18 17:58:17 2018 (r336460) +++ head/sys/dev/bge/if_bge.c Wed Jul 18 18:28:17 2018 (r336461) @@ -3212,6 +3212,14 @@ bge_can_use_msi(struct bge_softc *sc) sc->bge_chiprev != BGE_CHIPREV_5750_BX) can_use_msi = 1; break; + case BGE_ASICREV_BCM5784: + /* + * Prevent infinite "watchdog timeout" errors + * in some MacBook Pro and make it work out-of-the-box. + */ + if (sc->bge_chiprev == BGE_CHIPREV_5784_AX) + break; + /* FALLTHROUGH */ default: if (BGE_IS_575X_PLUS(sc)) can_use_msi = 1;
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