[Bug 49151] NULL pointer dereference in pata_acpi

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https://bugzilla.kernel.org/show_bug.cgi?id=49151


Borislav Petkov <bp@xxxxxxxxx> changed:

           What    |Removed                     |Added
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                 CC|                            |bp@xxxxxxxxx




--- Comment #11 from Borislav Petkov <bp@xxxxxxxxx>  2012-10-22 20:40:44 ---
(In reply to comment #7)
[ … ]

> 00:09.0 IDE interface: NVIDIA Corporation MCP65 IDE (rev a1) (prog-if 8a
> [Master SecP PriP])
>     Subsystem: Micro-Star International Co., Ltd. Device 7369
>     Flags: bus master, 66MHz, fast devsel, latency 0
>     [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
>     [virtual] Memory at 000003f0 (type 3, non-prefetchable)
>     [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
>     [virtual] Memory at 00000370 (type 3, non-prefetchable)
>     I/O ports at ffa0 [size=16]
>     Capabilities: [44] Power Management version 2
>     Kernel driver in use: pata_acpi
> 
> 00:0a.0 IDE interface: NVIDIA Corporation MCP65 SATA Controller (rev a3)
> (prog-if 85 [Master SecO PriO])
>     Subsystem: Micro-Star International Co., Ltd. Device 7369
>     Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21
>     I/O ports at 0f80 [size=8]
>     I/O ports at 0f00 [size=4]
>     I/O ports at 0e80 [size=8]
>     I/O ports at 0e00 [size=4]
>     I/O ports at b800 [size=16]
>     Memory at f9efc000 (32-bit, non-prefetchable) [size=8K]
>     Capabilities: [44] Power Management version 2
>     Capabilities: [b0] MSI: Enable- Count=1/8 Maskable- 64bit+
>     Capabilities: [cc] HyperTransport: MSI Mapping Enable- Fixed+
>     Kernel driver in use: pata_acpi

can you try blacklisting pata_acpi and booting the box then (provided
this is a distro kernel and it has all sata drivers as modules and in
the initrd - basically what Phillip did).

>From the looks of it, yours should be supported by sata_nv so that you
don't need to use pata_acpi at all.

All IMHO, of course.

Thanks.

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