Hello, This issue I referred to in the below post is MSI-X specific and I don't think BCM 5708 cards support MSI-X. This work aroud is not required for the issue I described in the post.
Cat /proc/interrupts | grep eth0 can tell you if it supports MSI or MSI-X. With regards, Narendra K > > > -----Original Message----- > > From: [email protected] [mailto:linux-poweredge- > > [email protected]] On Behalf Of [email protected] > > Sent: 25 May 2010 18:41 > > To: [email protected] > > Subject: Network issue on servers containing BCM 5709 / 5716 cards > > resolved - > > > > Hello, > > > > Connectivity loss was observed under some heavy traffic conditions on > > RHEL 5.3/5.4/5.5 on servers containing BCM 5709/5716 cards. > > > > Work around: > > > > The issue is MSI-X specific. So passing "disable_msi=1" to the bnx2 > > driver would prevent the issue from happening. > > RHEL 4.5 > PE2950 > Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit > Ethernet (rev 12) > > # modinfo bnx2 > filename: /lib/modules/2.6.9-55.ELsmp/kernel/drivers/net/bnx2.ko > author: Michael Chan <[email protected]> > description: Broadcom NetXtreme II BCM5706/5708 Driver > license: GPL > version: 1.4.43-rh 49524544DE69B4B5647379F > parm: disable_msi:Disable Message Signaled Interrupt (MSI) > vermagic: 2.6.9-55.ELsmp SMP 686 REGPARM 4KSTACKS gcc-3.4 > depends: > alias: pci:v000014E4d0000164Asv0000103Csd00003101bc*sc*i* > alias: pci:v000014E4d0000164Asv0000103Csd00003106bc*sc*i* > alias: pci:v000014E4d0000164Asv*sd*bc*sc*i* > alias: pci:v000014E4d0000164Csv*sd*bc*sc*i* > alias: pci:v000014E4d000016AAsv0000103Csd00003102bc*sc*i* > alias: pci:v000014E4d000016AAsv*sd*bc*sc*i* > alias: pci:v000014E4d000016ACsv*sd*bc*sc*i* > > With options bnx2 disable_msi=1 in modprobe.conf then > # modprobe -r bnx2; modprobe bnx2 > I get the following error and the NIC will not ifup - > > kernel: bnx2: eth1: Cannot allocate firmware buffer for uncompression. > > I took the msi option out of modprobe.conf but the NIC would still not > ifup, even restarting the network service did not get the NIC back > online. > I ended up leaving the option out of modprobe.conf and rebooting the > server for this to work ! > > I hope to set the disable_msi option on a clients server to overcome a > problem they are having, but I need to know why this error occurred on > my test box first. > > Any help appreciated, > > Cheers > Nick . > > > > > > __________ Information from ESET NOD32 Antivirus, version of virus > signature database 5163 (20100601) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > > > ------------------------------ > > Message: 6 > Date: Tue, 1 Jun 2010 12:35:34 -0400 > From: Drew Weaver <[email protected]> > Subject: RE: Network issue on servers containing BCM 5709 / 5716 cards > resolved - > To: "'Nick Lunt'" <[email protected]>, > "[email protected]" <[email protected]> > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Isn't this already fixed in the latest kernels? > > At least that is what I heard. > > thanks, > -Drew > > > -----Original Message----- > From: [email protected] [mailto:linux-poweredge- > [email protected]] On Behalf Of Nick Lunt > Sent: Tuesday, June 01, 2010 11:36 AM > To: [email protected] > Subject: RE: Network issue on servers containing BCM 5709 / 5716 cards > resolved - > > Hi, > > > -----Original Message----- > > From: [email protected] [mailto:linux-poweredge- > > [email protected]] On Behalf Of [email protected] > > Sent: 25 May 2010 18:41 > > To: [email protected] > > Subject: Network issue on servers containing BCM 5709 / 5716 cards > > resolved - > > > > Hello, > > > > Connectivity loss was observed under some heavy traffic conditions on > > RHEL 5.3/5.4/5.5 on servers containing BCM 5709/5716 cards. > > > > Work around: > > > > The issue is MSI-X specific. So passing "disable_msi=1" to the bnx2 > > driver would prevent the issue from happening. > > RHEL 4.5 > PE2950 > Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit > Ethernet (rev 12) > > # modinfo bnx2 > filename: /lib/modules/2.6.9-55.ELsmp/kernel/drivers/net/bnx2.ko > author: Michael Chan <[email protected]> > description: Broadcom NetXtreme II BCM5706/5708 Driver > license: GPL > version: 1.4.43-rh 49524544DE69B4B5647379F > parm: disable_msi:Disable Message Signaled Interrupt (MSI) > vermagic: 2.6.9-55.ELsmp SMP 686 REGPARM 4KSTACKS gcc-3.4 > depends: > alias: pci:v000014E4d0000164Asv0000103Csd00003101bc*sc*i* > alias: pci:v000014E4d0000164Asv0000103Csd00003106bc*sc*i* > alias: pci:v000014E4d0000164Asv*sd*bc*sc*i* > alias: pci:v000014E4d0000164Csv*sd*bc*sc*i* > alias: pci:v000014E4d000016AAsv0000103Csd00003102bc*sc*i* > alias: pci:v000014E4d000016AAsv*sd*bc*sc*i* > alias: pci:v000014E4d000016ACsv*sd*bc*sc*i* > > With options bnx2 disable_msi=1 in modprobe.conf then > # modprobe -r bnx2; modprobe bnx2 > I get the following error and the NIC will not ifup - > > kernel: bnx2: eth1: Cannot allocate firmware buffer for uncompression. > > I took the msi option out of modprobe.conf but the NIC would still not > ifup, even restarting the network service did not get the NIC back > online. > I ended up leaving the option out of modprobe.conf and rebooting the > server for this to work ! > > I hope to set the disable_msi option on a clients server to overcome a > problem they are having, but I need to know why this error occurred on > my test box first. > > Any help appreciated, > > Cheers > Nick . > > > > > > __________ Information from ESET NOD32 Antivirus, version of virus > signature database 5163 (20100601) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > _______________________________________________ > Linux-PowerEdge mailing list > [email protected] > https://lists.us.dell.com/mailman/listinfo/linux-poweredge > Please read the FAQ at http://lists.us.dell.com/faq > > > > ------------------------------ > > _______________________________________________ > Linux-PowerEdge mailing list > [email protected] > https://lists.us.dell.com/mailman/listinfo/linux-poweredge > Please read the FAQ at http://lists.us.dell.com/faq > > End of Linux-PowerEdge Digest, Vol 72, Issue 1 > ********************************************** _______________________________________________ Linux-PowerEdge mailing list [email protected] https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
