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Date:	Wed, 18 Jul 2012 17:39:13 -0700
From:	adam radford <aradford@...il.com>
To:	stepping stone GmbH <support@...pping-stone.ch>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Kernel crash with lspci -vv and SAS Controller LSI Logic /
 Symbios Logic MegaRAID SAS 9240

On 7/18/12, stepping stone GmbH <support@...pping-stone.ch> wrote:
...
>
> a tail of lspci -vv http://pastebin.com/kjh8ig9q
>

PCI Config reads from lspci -vvv don't go through the megaraid_sas
driver itself.

It looks like your system hung up while trying to do a PCI Config read
of Capabilities 0xd0: VPD (Vital Product Data).

I have a 9240 controller, and with kernel 3.5.0-rc1, I can do lspci -vvv :

        Capabilities: [d0] Vital Product Data
                Unknown small resource type 00, will not decode more.
        Capabilities: [a8] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [c0] MSI-X: Enable+ Count=15 Masked-
                Vector table: BAR=1 offset=00002000
                PBA: BAR=1 offset=00003800
        Capabilities: [100] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt-
UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt-
UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt-
UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
        Capabilities: [138] Power Budgeting <?>
        Kernel driver in use: megaraid_sas
        Kernel modules: megaraid_sas

Can you reproduce with kernel 3.5.0-rcX ?  I would also try upgrading
your controller firmware.

-Adam
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