[Bug 219428] em network driver broken in current

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219428

Kaho Toshikazu <kaho at elam.kais.kyoto-u.ac.jp> changed:

           What    |Removed                     |Added
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                 CC|                            |kaho at elam.kais.kyoto-u.ac.j
                   |                            |p

--- Comment #8 from Kaho Toshikazu <kaho at elam.kais.kyoto-u.ac.jp> ---
(In reply to gitdev from comment #7)

The panic you met is unrelated to the original report.
Please try this patch.

Index: sys/dev/e1000/if_em.c
===================================================================
--- sys/dev/e1000/if_em.c       (revision 322833)
+++ sys/dev/e1000/if_em.c       (working copy)
@@ -797,6 +797,8 @@
                scctx->isc_txrx = &em_txrx;
                scctx->isc_capenable = EM_CAPS;
                scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO;
+               if (adapter->hw.mac.type != e1000_82574)
+                       scctx->isc_msix_bar = 0;
        } else {
                scctx->isc_txqsizes[0] = roundup2((scctx->isc_ntxd[0] + 1) *
sizeof(struct e1000_tx_desc), EM_DBA_ALIGN);
                scctx->isc_rxqsizes[0] = roundup2((scctx->isc_nrxd[0] + 1) *
sizeof(struct e1000_rx_desc), EM_DBA_ALIGN);

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