svn commit: r254009 - releng/9.2/sys/dev/e1000
Jack F Vogel
jfv at FreeBSD.org
Tue Aug 6 21:16:01 UTC 2013
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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