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Message-Id: <20080814083448.3fcc576e.randy.dunlap@oracle.com>
Date:	Thu, 14 Aug 2008 08:34:48 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>, mike.miller@...com,
	scsi <linux-scsi@...r.kernel.org>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	jejb <James.Bottomley@...senPartnership.com>
Subject: Re: linux-next: Tree for August 14 (bug: cciss)

Tainted by some prior sysfs warn_on crapola.



BUG: unable to handle kernel NULL pointer dereference at 0000000000000248
IP: [<ffffffffa001cb68>] do_cciss_intr+0x627/0xa6c [cciss]
PGD 17eba6067 PUD 17eba7067 PMD 0 
Oops: 0002 [1] SMP 
last sysfs file: /sys/block/ram15/dev
CPU 2 
Modules linked in: cciss(+) ehci_hcd ohci_hcd uhci_hcd
Pid: 0, comm: swapper Tainted: G        W 2.6.27-rc3-next-20080814 #1
RIP: 0010:[<ffffffffa001cb68>]  [<ffffffffa001cb68>] do_cciss_intr+0x627/0xa6c [cciss]
RSP: 0018:ffff88027f66bee8  EFLAGS: 00010007
RAX: 0000000000000000 RBX: ffff88007f840270 RCX: 000000000000000c
RDX: 0000000000000000 RSI: ffff88027e560000 RDI: ffff88027e560000
RBP: ffff88027f66bf18 R08: 0000000000000000 R09: ffff88017fa99e88
R10: 0000000000000000 R11: 000000008022ec53 R12: ffff88027e560000
R13: 0000000000000000 R14: 00000000000001f7 R15: 0000000000000086
FS:  0000000000680850(0000) GS:ffff88017fc02b80(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000248 CR3: 000000017eba0000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88017fa98000, task ffff88027f63d280)
Stack:  ffff88027f66bee0 ffff88027f64a800 0000000000000000 0000000000000000
 00000000000001f7 0000000000000000 ffff88027f66bf48 ffffffff8026807a
 ffffffff8073a000 00000000000001f7 ffff88027f64a800 ffffffff8073a050
Call Trace:
 <IRQ>  [<ffffffff8026807a>] handle_IRQ_event+0x27/0x57
 [<ffffffff802698dc>] handle_edge_irq+0xed/0x12e
 [<ffffffff8020eaac>] do_IRQ+0xf7/0x16f
 [<ffffffff8020c471>] ret_from_intr+0x0/0xa
 <EOI>  [<ffffffff802122ed>] ? default_idle+0x2b/0x40
 [<ffffffff802124fb>] ? c1e_idle+0xd4/0xdb
 [<ffffffff8055d0bb>] ? atomic_notifier_call_chain+0xf/0x11
 [<ffffffff8020ac61>] ? cpu_idle+0x5f/0x7d
 [<ffffffff80554f4f>] ? start_secondary+0x16c/0x171


Code: 8b 83 48 02 00 00 48 39 d8 74 37 49 39 9c 24 c0 00 01 00 75 08 49 89 84 24 c0 00 01 00 48 8b 83 40 02 00 00 48 8b 93 48 02 00 00 <48> 89 90 48 02 00 00 48 8b 93 48 02 00 00 48 89 82 40 02 00 00 
RIP  [<ffffffffa001cb68>] do_cciss_intr+0x627/0xa6c [cciss]
 RSP <ffff88027f66bee8>
CR2: 0000000000000248
---[ end trace 4eaa2a86a8e2da22 ]---


Full boot log is attached.  Kernel config is attached.

---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/

Download attachment "kconfig.~1" of type "application/octet-stream" (47710 bytes)

View attachment "netcon-4839.log" of type "text/x-log" (71708 bytes)

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