请教各位大牛一个问题
小弟是做运维的，目前遇到一个，就是同样型号的网卡在centos 5 能够开启 msi-x，而centos -6 不能开启msi ,请哪位大牛能帮我分析下，谢谢centos 5
modinfo bnx2
filename: /lib/modules/2.6.18-238.9.1.el5/kernel/drivers/net/bnx2.ko
version: 2.0.8-rh
license: GPL
description: Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver
author: Michael Chan <mchan@broadcom.com>
srcversion: C7F6CA68A2BE2D1974E1D05
alias: pci:v000014E4d0000163Csv*sd*bc*sc*i*
alias: pci:v000014E4d0000163Bsv*sd*bc*sc*i*
alias: pci:v000014E4d0000163Asv*sd*bc*sc*i*
alias: pci:v000014E4d00001639sv*sd*bc*sc*i*
alias: pci:v000014E4d000016ACsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AAsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AAsv0000103Csd00003102bc*sc*i*
alias: pci:v000014E4d0000164Csv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Asv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Asv0000103Csd00003106bc*sc*i*
alias: pci:v000014E4d0000164Asv0000103Csd00003101bc*sc*i*
depends:
vermagic: 2.6.18-238.9.1.el5 SMP mod_unload gcc-4.1
parm: disable_msi:Disable Message Signaled Interrupt (MSI) (int)
parm: enable_entropy:Allow bnx2 to populate the /dev/random entropy pool (int)
module_sig: 883f3504da4d64c2ddc58dbbe93568112eb650a0ca36711762529363dd562fd12299d39526f80a0e531ec44f93bceb31f99f3a11c2f6d93b6ef2ae
centos 6
filename: /lib/modules/2.6.32-431.el6.x86_64/kernel/drivers/net/bnx2.ko
firmware: bnx2/bnx2-rv2p-09ax-6.0.17.fw
firmware: bnx2/bnx2-rv2p-09-6.0.17.fw
firmware: bnx2/bnx2-mips-09-6.2.1b.fw
firmware: bnx2/bnx2-rv2p-06-6.0.15.fw
firmware: bnx2/bnx2-mips-06-6.2.3.fw
version: 2.2.3
license: GPL
description: Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver
author: Michael Chan <mchan@broadcom.com>
srcversion: 17D4A614D14049C677860EC
alias: pci:v000014E4d0000163Csv*sd*bc*sc*i*
alias: pci:v000014E4d0000163Bsv*sd*bc*sc*i*
alias: pci:v000014E4d0000163Asv*sd*bc*sc*i*
alias: pci:v000014E4d00001639sv*sd*bc*sc*i*
alias: pci:v000014E4d000016ACsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AAsv*sd*bc*sc*i*
alias: pci:v000014E4d000016AAsv0000103Csd00003102bc*sc*i*
alias: pci:v000014E4d0000164Csv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Asv*sd*bc*sc*i*
alias: pci:v000014E4d0000164Asv0000103Csd00003106bc*sc*i*
alias: pci:v000014E4d0000164Asv0000103Csd00003101bc*sc*i*
depends:
vermagic: 2.6.32-431.el6.x86_64 SMP mod_unload modversions
parm: disable_msi:Disable Message Signaled Interrupt (MSI) (int)
#我对比2个驱动信息，
centos 5 上面多了个 parm: enable_entropy:Allow bnx2 to populate the /dev/random entropy pool (int)
是否和我开启msi-x 有关系呢，
#另外在2台centos 6服务器上的/proc/interrupts 文件中，网卡的
分别IR-PCI-MSI-edge 和 PCI-MSI-edge 2种，
请问2者有区别吗
感谢各位大牛
一般msi-x需要硬件和软件同时支持。
首先你确定你编译的是同一个驱动，driver para是否一致？
页:
[1]