Date: Tue, 6 Aug 2013 21:16:00 +0000 (UTC) From: Jack F Vogel <jfv@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r254009 - releng/9.2/sys/dev/e1000 Message-ID: <201308062116.r76LG0SL064513@svn.freebsd.org>
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Author: jfv Date: Tue Aug 6 21:16:00 2013 New Revision: 254009 URL: http://svnweb.freebsd.org/changeset/base/254009 Log: When the igb driver is static there are cases when early interrupts occur, resulting in a panic in refresh_mbufs, to prevent this add a check to the interrupt handler for DRV_RUNNING. Approved by: re Modified: releng/9.2/sys/dev/e1000/if_igb.c Directory Properties: releng/9.2/sys/ (props changed) releng/9.2/sys/dev/ (props changed) releng/9.2/sys/dev/e1000/ (props changed) Modified: releng/9.2/sys/dev/e1000/if_igb.c ============================================================================== --- releng/9.2/sys/dev/e1000/if_igb.c Tue Aug 6 21:01:38 2013 (r254008) +++ releng/9.2/sys/dev/e1000/if_igb.c Tue Aug 6 21:16:00 2013 (r254009) @@ -1572,6 +1572,10 @@ igb_msix_que(void *arg) u32 newitr = 0; bool more_rx; + /* Ignore spurious interrupts */ + if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) + return; + E1000_WRITE_REG(&adapter->hw, E1000_EIMC, que->eims); ++que->irqs;
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