kern/172113: [panic] [e1000] [patch] 9.1-RC1/amd64 panices in igb(4): m_getjcl: invalid cluster type

[Sergey Kandaurov]

I forward these mails for archives to easier track what was committed
for this PR.

---------- Forwarded message ----------
From: Jack F Vogel <jfv at freebsd.org>
Date: 6 August 2013 22:00
Subject: svn commit: r254002 - head/sys/dev/e1000
To: src-committers at freebsd.org, svn-src-all at freebsd.org,
svn-src-head at freebsd.org


Author: jfv
Date: Tue Aug  6 18:00:53 2013
New Revision: 254002
URL: http://svnweb.freebsd.org/changeset/base/254002

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 in the
  interrupt handler for DRV_RUNNING.

  MFC after: 1 day (critical for 9.2)

Modified:
  head/sys/dev/e1000/if_igb.c

Modified: head/sys/dev/e1000/if_igb.c
==============================================================================
--- head/sys/dev/e1000/if_igb.c Tue Aug  6 17:22:06 2013        (r254001)
+++ head/sys/dev/e1000/if_igb.c Tue Aug  6 18:00:53 2013        (r254002)
@@ -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;


---------- Forwarded message ----------
From: Jack F Vogel <jfv at freebsd.org>
Date: 7 August 2013 01:16
Subject: svn commit: r254009 - releng/9.2/sys/dev/e1000
To: src-committers at freebsd.org, svn-src-all at freebsd.org,
svn-src-releng at freebsd.org


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;