linux-kernel - Re: 4.6-rc*: Kernel unaligned access at pci_bus_read_config

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Message-ID: <CADxRZqzd3uDAAGsU0Tsg7vzxEvdtCv+QQDp8UM=6nVNk2VqO=A@mail.gmail.com>
Date:	Tue, 14 Jun 2016 16:02:39 +0300
From:	Anatoly Pugachev <matorola@...il.com>
To:	Meelis Roos <mroos@...ux.ee>
Cc:	sparclinux@...r.kernel.org, linux-pci@...r.kernel.org,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 4.6-rc*: Kernel unaligned access at pci_bus_read_config_dword+0x64/0x80

On Mon, Jun 13, 2016 at 3:49 PM, Meelis Roos <mroos@...ux.ee> wrote:
>> > Between 4.5.0 and 4.6.0-rc3, my Spar Enterprise T5120 has started
>> > showing the following messages during bootup:
> [...]
>>
>> got the same messages on my t5120 with kernel 4.6.1 :
> [...]
>> but 4.7.0-rc2+ (from git), does not have it, probably fixed.
>
> Nope, I still get them on 4.7-rc3:
>
> [ 4742.646120] Kernel unaligned access at TPC[6a5724] pci_bus_read_config_dword+0x64/0x80
> [ 4742.646197] Kernel unaligned access at TPC[6a5724] pci_bus_read_config_dword+0x64/0x80
> [ 4742.646265] Kernel unaligned access at TPC[6a5724] pci_bus_read_config_dword+0x64/0x80
> [ 4742.646333] Kernel unaligned access at TPC[6a5724] pci_bus_read_config_dword+0x64/0x80
> [ 4742.646401] Kernel unaligned access at TPC[6a5724] pci_bus_read_config_dword+0x64/0x80


Still don't see it with current git (4.7.0-rc3+) kernel on my T5120.
Probably difference with kernel config file. Can you please share your
kernel config file, so I can try it on my t5120 ?

Thanks.