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Message-ID: <86802c440807161051r7632c1d3qeb73c3cc1a124ed6@mail.gmail.com>
Date: Wed, 16 Jul 2008 10:51:56 -0700
From: "Yinghai Lu" <yhlu.kernel@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>,
       "James Bottomley" <James.Bottomley@hansenpartnership.com>,
       "Mark Salyzyn" <mark_salyzyn@adaptec.com>
Subject: rdac and aac
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       Linux-Scsi <linux-scsi@vger.kernel.org>
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calling  aac_init+0x0/0x9a
Adaptec aacraid driver 1.1-5[2456]-ms
vendor=10de device=005d
ACPI: PCI Interrupt 0000:86:00.0[A] -> Link [LN2C] -> GSI 42 (level,
low) -> IRQ 42
PCI: Setting latency timer of device 0000:86:00.0 to 64
AAC0: kernel 5.2-0[15535] Oct 11 2007
AAC0: monitor 5.2-0[15535]
AAC0: bios 5.2-0[15535]
AAC0: serial 00721EC0115
AAC0: Non-DASD support enabled.
AAC0: 64bit support enabled.
AAC0: 64 Bit DAC enabled
scsi0 : aacraid
BUG: unable to handle kernel NULL pointer dereference at 0000000000000003
IP: [<ffffffff8051f024>] strncmp+0x1b/0x54
PGD 0
Oops: 0000 [1] SMP
CPU 28
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.26-tip-00047-g69a6a3e-dirty #394
RIP: 0010:[<ffffffff8051f024>]  [<ffffffff8051f024>] strncmp+0x1b/0x54
RSP: 0018:ffff883824c579f0  EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffffffff80ad2190 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffffff80cfe351 RDI: 0000000000000003
RBP: ffff883824c57a00 R08: 0000000000000000 R09: ffffe200e0774440
R10: 00000000f6f3ecb9 R11: 00000000f6f3ecb9 R12: ffff88402206c050
R13: ffff88402206c170 R14: 0000000000000000 R15: ffffffffffffffff
FS:  0000000000000000(0000) GS:ffff884024c3b600(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000003 CR3: 0000000000201000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 1, threadinfo ffff883824c56000, task ffff883024c58000)
Stack:  ffffffff80e705d0 00000000f6f3ecb9 ffff883824c57a50 ffffffff806ab127
 ffffe200e0774440 00000000f6f3ecb9 00000000f6f3ecb9 0000000000000000
 00000000ffffffff 0000000000000000 ffff88402206c170 0000000000000001
Call Trace:
 [<ffffffff806ab127>] rdac_bus_notify+0x68/0x235
 [<ffffffff80a4f7c6>] notifier_call_chain+0x45/0x84
 [<ffffffff802835f1>] __blocking_notifier_call_chain+0x61/0x92
 [<ffffffff80283649>] blocking_notifier_call_chain+0x27/0x3d
 [<ffffffff805b5f36>] device_add+0xf5/0x4fd
 [<ffffffff80682811>] ? scsi_setup_command_freelist+0x6c/0xc6
 [<ffffffff80683477>] scsi_add_host+0xc5/0x20f
 [<ffffffff80a28269>] aac_probe_one+0x3ef/0x4ba
 [<ffffffff8053014e>] pci_device_probe+0xd5/0x142
 [<ffffffff805b8a01>] driver_probe_device+0xd4/0x199
 [<ffffffff802830da>] ? down+0x4b/0x68
 [<ffffffff805b8b29>] __driver_attach+0x63/0xa4
 [<ffffffff805b8ac6>] ? __driver_attach+0x0/0xa4
 [<ffffffff805b8009>] bus_for_each_dev+0x63/0xb1
 [<ffffffff805b87cb>] driver_attach+0x34/0x4a
 [<ffffffff805b7779>] bus_add_driver+0xcb/0x22b
 [<ffffffff8051ae5a>] ? kset_find_obj+0x4c/0x96
 [<ffffffff805b8e4e>] driver_register+0xbc/0x153
 [<ffffffff802313bd>] ? read_tsc+0x9/0x1c
 [<ffffffff8053046f>] __pci_register_driver+0x67/0xb8
 [<ffffffff80f71e34>] ? aac_init+0x0/0x9a
 [<ffffffff80f71e7f>] aac_init+0x4b/0x9a
 [<ffffffff80f409e4>] kernel_init+0x1de/0x346
 [<ffffffff8022a4f4>] ? mcount_call+0x5/0x31
 [<ffffffff80262df7>] ? finish_task_switch+0x14/0xe3
 [<ffffffff8022b589>] child_rip+0xa/0x11
 [<ffffffff80f40806>] ? kernel_init+0x0/0x346
 [<ffffffff8022b57f>] ? child_rip+0x0/0x11


Code: 28 00 00 00 0f be c0 74 05 e8 0e 74 d4 ff c9 c3 55 31 c9 48 89
e5 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 45 f8 31 c0 eb 19 <44>
8a 04 0f 44 88 c0 2a 04 0e 84 c0 75 12 48 ff c1 45 84 c0 74
RIP  [<ffffffff8051f024>] strncmp+0x1b/0x54
 RSP <ffff883824c579f0>
CR2: 0000000000000003
---[ end trace c89c20984b386ade ]---
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