Kernel Panic on "dma_pool_alloc+0x286/0x2aa" in Kernel Version 2.6.32-400.11.1.el5uek (Doc ID 1931003.1)

Last updated on OCTOBER 13, 2014

Applies to:

Linux OS - Version Oracle Linux 5.0 and later
Linux x86-64

Symptoms

The Cell Node dm03cel08 rebooted and it is observed below panic information on the ILOM console output:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: [<ffffffff81103af4>] dma_pool_alloc+0x286/0x2aa
PGD 7804067 PUD 7502067 PMD 0
Oops: 0002 [#1] SMP  
last sysfs file: /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.8/dev
CPU 0
Modules linked in: ses(U) enclosure(U) snd_seq_dummy(U) mlx4_core(+)(U) snd_seq_oss(U) snd_seq_midi_event(U) snd_seq(U) snd_seq_device(U) snd_pcm_oss(U) snd_
Pid: 2389, comm: modprobe Not tainted 2.6.32-400.11.1.el5uek #1 SUN FIRE X4270 M3     
RIP: 0010:[<ffffffff81103af4>]  [<ffffffff81103af4>] dma_pool_alloc+0x286/0x2aa
RSP: 0000:ffff880007801ba8  EFLAGS: 00010006
RAX: 0000000008a0e000 RBX: ffff880008a0e000 RCX: ffff880008a0e000
RDX: 0000000000000008 RSI: 0000000000002000 RDI: 0000000000000f00
RBP: ffff880007801c28 R08: ffff880000015e80 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000001 R12: ffff880007415240
R13: ffff880008bf5140 R14: ffff880008bf5140 R15: ffff880008bf5158
FS:  00007feb54afc6e0(0000) GS:ffff880004a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000008 CR3: 00000000095cd000 CR4: 00000000000406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process modprobe (pid: 2389, threadinfo ffff880007800000, task ffff8800044e2700)
Stack:
 0000000000000008 000000d081177df5 0000000000000286 0000000000001000
<0> ffff880007801c28 ffffffff811037b2 0000000000000005 ffffffffa00c6fce
<0> 0000000000001000 ffffffff8110940c 0000000000000080 0000000000000000
Call Trace:
 [<ffffffff811037b2>] ? dma_pool_create+0x1c3/0x1e7
 [<ffffffff8110940c>] ? alloc_pages_current+0x9b/0xa4
 [<ffffffffa00a70cd>] mpt2sas_base_attach+0x7d5/0x130d [mpt2sas]
 [<ffffffff81072111>] ? start_workqueue_thread+0x2b/0x2f
 [<ffffffffa00b60a1>] _scsih_probe+0x63a/0x726 [mpt2sas]
 [<ffffffff81249d7e>] ? pci_match_id+0x24/0x48
 [<ffffffff81249db9>] local_pci_probe+0x17/0x1b
 [<ffffffff8124a929>] pci_device_probe+0xc8/0xf4
 [<ffffffff812e5885>] ? driver_sysfs_add+0x52/0x78
 [<ffffffff812e5a60>] driver_probe_device+0xf5/0x215
 [<ffffffff812e5bd9>] __driver_attach+0x59/0x7c
 [<ffffffff812e5b80>] ? __driver_attach+0x0/0x7c
 [<ffffffff812e5b80>] ? __driver_attach+0x0/0x7c
 [<ffffffff812e4edc>] bus_for_each_dev+0x4e/0x7d
 [<ffffffff812e5831>] driver_attach+0x21/0x23
 [<ffffffff812e4997>] bus_add_driver+0xde/0x266
 [<ffffffff812e5fa6>] driver_register+0xa3/0x11a
 [<ffffffffa00d9000>] ? _scsih_init+0x0/0x1b1 [mpt2sas]
 [<ffffffff8124aba7>] __pci_register_driver+0x55/0xb1
 [<ffffffffa00d9000>] ? _scsih_init+0x0/0x1b1 [mpt2sas]
 [<ffffffffa00d918c>] _scsih_init+0x18c/0x1b1 [mpt2sas]
 [<ffffffff8100a06a>] do_one_initcall+0x5f/0x15a
 [<ffffffff810904de>] sys_init_module+0xd0/0x22a
 [<ffffffff81011db2>] system_call_fastpath+0x16/0x1b
Code: 45 c0 4c 89 4d b8 e9 c7 fd ff ff 41 8b 45 24 49 8b 4d 10 41 ff 45 20 48 01 c1 49 03 45 18 8b 11 48 89 cb 41 89 55 24 48 8b 55 80 <48> 89 02 48 8b 75 90
RIP  [<ffffffff81103af4>] dma_pool_alloc+0x286/0x2aa
 RSP <ffff880007801ba8>
CR2: 0000000000000008
---[ end trace d19bf8057aac2af8 ]---

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms