With the latest (2008-04-04) PERC 2 firmware 2.8.0 6099 the issue remains.
[ 0.000000] Linux version 2.6.24-15-generic (root@PowerEdge6300) (gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)) #1 SMP Fri Apr 4 09:18:39 BST 2008 (Ubuntu 2.6.24-15.26-generic)
[ 436.079664] Adaptec aacraid driver 1.1-5[2449]-ms
[ 492.476969] BUG: soft lockup - CPU#2 stuck for 11s! [modprobe:1376] [ 492.483317] [ 492.484874] Pid: 1376, comm: modprobe Not tainted (2.6.24-15-generic #1) [ 492.491642] EIP: 0060:[<c0216641>] EFLAGS: 00000287 CPU: 2 [ 492.497226] EIP is at delay_tsc+0x41/0x50 [ 492.501302] EAX: 0000059e EBX: 0000003f ECX: 00000000 EDX: 0000003f [ 492.507640] ESI: 17c02b3e EDI: df84f278 EBP: 17c025a0 ESP: df9dfd4c [ 492.513972] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 492.519443] CR0: 8005003b CR2: 0812574c CR3: 1f97b000 CR4: 00000690 [ 492.525781] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 492.532114] DR6: ffff0ff0 DR7: 00000400 [ 492.536029] [<c02165c6>] __delay+0x6/0x10 [ 492.540264] [<f89496aa>] aac_fib_send+0x21a/0x2d0 [aacraid] [ 492.546108] [<c012363a>] enqueue_task_fair+0x1a/0x30 [ 492.551318] [<f8945a94>] aac_get_adapter_info+0x74/0x620 [aacraid] [ 492.557753] [<f8942f54>] aac_probe_one+0x224/0x450 [aacraid] [ 492.563642] [<f8949b80>] aac_command_thread+0x0/0x6d0 [aacraid] [ 492.569801] [<c0223136>] pci_device_probe+0x56/0x80 [ 492.574903] [<c027e85e>] driver_probe_device+0x8e/0x190 [ 492.580373] [<c027eace>] __driver_attach+0x9e/0xa0 [ 492.585385] [<c027dc7b>] bus_for_each_dev+0x3b/0x60 [ 492.590491] [<c027e6d6>] driver_attach+0x16/0x20 [ 492.595330] [<c027ea30>] __driver_attach+0x0/0xa0 [ 492.600259] [<c027e00a>] bus_add_driver+0x8a/0x1e0 [ 492.605281] [<c02232e3>] __pci_register_driver+0x53/0xa0 [ 492.610815] [<f8850033>] aac_init+0x33/0x74 [aacraid] [ 492.616098] [<c0151511>] sys_init_module+0x151/0x1990 [ 492.621377] [<c01778fa>] __do_fault+0x21a/0x410 [ 492.626170] [<c0166421>] handle_fasteoi_irq+0x91/0xf0 [ 492.631465] [<c01053b2>] syscall_call+0x7/0xb [ 492.636066] =======================
With the latest (2008-04-04) PERC 2 firmware 2.8.0 6099 the issue remains.
[ 0.000000] Linux version 2.6.24-15-generic (root@PowerEdge 6300) (gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)) #1 SMP Fri Apr 4 09:18:39 BST 2008 (Ubuntu 2.6.24- 15.26-generic)
[ 436.079664] Adaptec aacraid driver 1.1-5[2449]-ms
[ 492.476969] BUG: soft lockup - CPU#2 stuck for 11s! [modprobe:1376] send+0x21a/ 0x2d0 [aacraid] task_fair+ 0x1a/0x30 adapter_ info+0x74/ 0x620 [aacraid] one+0x224/ 0x450 [aacraid] thread+ 0x0/0x6d0 [aacraid] probe+0x56/ 0x80 probe_device+ 0x8e/0x190 attach+ 0x9e/0xa0 each_dev+ 0x3b/0x60 attach+ 0x16/0x20 attach+ 0x0/0xa0 driver+ 0x8a/0x1e0 driver+ 0x53/0xa0 module+ 0x151/0x1990 0x21a/0x410 fasteoi_ irq+0x91/ 0xf0 call+0x7/ 0xb ======= ======= ==
[ 492.483317]
[ 492.484874] Pid: 1376, comm: modprobe Not tainted (2.6.24-15-generic #1)
[ 492.491642] EIP: 0060:[<c0216641>] EFLAGS: 00000287 CPU: 2
[ 492.497226] EIP is at delay_tsc+0x41/0x50
[ 492.501302] EAX: 0000059e EBX: 0000003f ECX: 00000000 EDX: 0000003f
[ 492.507640] ESI: 17c02b3e EDI: df84f278 EBP: 17c025a0 ESP: df9dfd4c
[ 492.513972] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 492.519443] CR0: 8005003b CR2: 0812574c CR3: 1f97b000 CR4: 00000690
[ 492.525781] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 492.532114] DR6: ffff0ff0 DR7: 00000400
[ 492.536029] [<c02165c6>] __delay+0x6/0x10
[ 492.540264] [<f89496aa>] aac_fib_
[ 492.546108] [<c012363a>] enqueue_
[ 492.551318] [<f8945a94>] aac_get_
[ 492.557753] [<f8942f54>] aac_probe_
[ 492.563642] [<f8949b80>] aac_command_
[ 492.569801] [<c0223136>] pci_device_
[ 492.574903] [<c027e85e>] driver_
[ 492.580373] [<c027eace>] __driver_
[ 492.585385] [<c027dc7b>] bus_for_
[ 492.590491] [<c027e6d6>] driver_
[ 492.595330] [<c027ea30>] __driver_
[ 492.600259] [<c027e00a>] bus_add_
[ 492.605281] [<c02232e3>] __pci_register_
[ 492.610815] [<f8850033>] aac_init+0x33/0x74 [aacraid]
[ 492.616098] [<c0151511>] sys_init_
[ 492.621377] [<c01778fa>] __do_fault+
[ 492.626170] [<c0166421>] handle_
[ 492.631465] [<c01053b2>] syscall_
[ 492.636066] =======