aacraid unstable with 2.6.32-17-pve kernel

Hi,

We use Debian 6.0.6 with proxmox pve kernel:

Linux 2.6.32-17-pve #1 SMP Wed Nov 28 07:15:55 CET 2012 x86_64 GNU/Linux

On few our servers with this kernel we "meet" kernel panic (i attached screenshots)

Hardware RAID controller used:

Controller Status : Optimal
Channel description : SAS/SATA
Controller Model : Adaptec 5405Z