On 05/01/2015 15:14, Philippe BOURDEU d'AGUERRE wrote: > Happy new year ! > > We have a SuperMicro server with a LSI MegaRAID 9260-4i controller. > > Since Centos 6.6 update (kernel 2.6.32-504), the controller doesn't > initialize at boot. Reverting to kernel 2.6.32-431 allows server to > boot fine. > I have a similar system, and don't have your problem: # uname -rv 2.6.32-504.3.3.el6.x86_64 #1 SMP Wed Dec 17 01:55:02 UTC 2014 # dmesg | grep LSI scsi4 : LSI SAS based MegaRAID driver scsi 4:2:0:0: Direct-Access LSI MR9260-4i 2.13 PQ: 0 ANSI: 5 Copyright (c) 1999-2008 LSI Corporation # dmesg | grep Supermicro DMI: Supermicro X8DTU/X8DTU, BIOS 2.1b 12/30/2011 > The server can't boot due to a bug in LSI megaraid module. Boot log > ends by a lot of lines: > > RESET_GEN2: retry=xxx, hostdiag=a4 > > I tried Centos 6.6 install disk and it also fails to find disks but > Centos 7 install disk boot fine. > > It's annoying to be stuck at 2.6.32-431 kernel and I have no idea how > to solve this issue :-( > > Thanks for any help. -- Regards, Giles Coochey, CCNP, CCNA, CCNAS NetSecSpec Ltd +44 (0) 8444 780677 +44 (0) 7584 634135 http://www.coochey.net http://www.netsecspec.co.uk giles at coochey.net