https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206016
Bug ID: 206016
Summary: Changing MTU on the interface Infiniband network card
(Mellanox MHQH29B-XTR) causes panic
Product: Base System
Version: 10.1-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: ad...@support.od.ua
I bought on ebay.com map Mellanox Infiniband CONNECTX-2 MHQH29B-XTR
( http://www.mellanox.com/page/products_dyn?product_family=4 )
After installing and loading drivers V2.1.6 site Mellanox, the card identifies:
mlx4_core0@pci0:6:0:0: class=0x028000 card=0x002115b3 chip=0x673c15b3 rev=0xb0
hdr=0x00
vendor = 'Mellanox Technologies'
device = 'MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE]'
class = network
mlxen1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=d07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,LINKSTATE>
ether 00:00:00:00:00:01
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (autoselect <full-duplex,rxpause,txpause>)
status: active
But after trying to change mtu - ifconfig mlxen1 mtu 1500 UP - server
immediately is gone to reboot :(
P.S.
FreeBSD 10.1-PRERELEASE #0: Fri Sep 5 03:04:51 EEST 2014
r...@core.domain.com:/usr/obj/usr/src/sys/core.domain.com.2 amd64
I load all modules:
# ll /boot/modules
total 1799
-rw-r--r-- 1 root 101 652720 8 янв 00:57 ibcore.ko
-rw-r--r-- 1 root 101 99104 8 янв 00:58 ipoib.ko
-rw-r--r-- 1 root 101 429616 8 янв 00:58 mlx4.ko
-rw-r--r-- 1 root 101 256752 8 янв 00:59 mlx4ib.ko
-rw-r--r-- 1 root 101 136736 8 янв 00:59 mlxen.ko
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