could this be also a HW problem?, the same error without "Machine Check"
Jul 14 12:09:12 vz01 kernel: Unable to handle kernel paging request at virtual address feafea2d
Jul 14 12:09:12 vz01 kernel: printing eip:
Jul 14 12:09:12 vz01 kernel: ecee0966
Jul 14 12:09:12 vz01 kernel: *pde = 00000000
Jul 14 12:09:12 vz01 kernel: Oops: 0000 [#1]
Jul 14 12:09:12 vz01 kernel: SMP
Jul 14 12:09:12 vz01 kernel: Modules linked in: simfs vzdquota af_packet ip_nat_ftp ip_conntrack_ftp iptable$
Jul 14 12:09:12 vz01 kernel: CPU: 2, VCPU: 121:1
Jul 14 12:09:12 vz01 kernel: EIP: 0060:[<ecee0966>] Not tainted
Jul 14 12:09:12 vz01 kernel: EFLAGS: 00010282 (2.6.8-022stab078-smp)
Jul 14 12:09:12 vz01 kernel: EIP is at vzquota_transfer_usage+0x66/0x150 [vzdquota]
Jul 14 12:09:12 vz01 kernel: eax: bbb8ec8c ebx: 67715e6c ecx: feafea15 edx: 00000000
Jul 14 12:09:12 vz01 kernel: esi: bbb8ec8c edi: 00000000 ebp: 67715e68 esp: 67715e20
Jul 14 12:09:12 vz01 kernel: ds: 007b es: 007b ss: 0068
Jul 14 12:09:12 vz01 kernel: Process cp (pid: 2831, veid=121, threadinfo=67714000 task=9779a820)
Jul 14 12:09:12 vz01 kernel: Stack: b6cf7740 67715e6c 00000001 00001000 00000000 00001000 00000000 b6cf7740
Jul 14 12:09:12 vz01 kernel: bbb8ec8c 00000003 67715e68 ecede636 bbb8ec8c 00000003 67715e68 00000003
Jul 14 12:09:12 vz01 kernel: b6cf7740 00000000 b6cf7740 48dce240 48dce280 67715e74 67715e74 00000002
Jul 14 12:09:12 vz01 kernel: Call Trace:
Jul 14 12:09:12 vz01 kernel: [<ecede636>] vzquota_inode_transfer_call+0x166/0x1c0 [vzdquota]
Jul 14 12:09:12 vz01 kernel: [<ecee0a67>] vzquota_transfer+0x17/0x30 [vzdquota]
Jul 14 12:09:12 vz01 kernel: [<021eb8f6>] ext3_setattr+0xc6/0x270
Jul 14 12:09:12 vz01 kernel: [<0218fbfe>] notify_change+0x1fe/0x270
Jul 14 12:09:12 vz01 kernel: [<0216f9e6>] chown_common+0xb6/0x100
Jul 14 12:09:12 vz01 kernel: [<0218137c>] __user_walk+0x5c/0x80
Jul 14 12:09:12 vz01 kernel: [<0216fa7f>] sys_chown+0x4f/0x70
Jul 14 12:09:12 vz01 kernel: [<0216e15c>] get_user_size+0x3c/0x80
Jul 14 12:09:12 vz01 kernel: [<0216f3df>] sys_utimes+0x3f/0x50