linux-kernel - Re: bug report about acpiphp

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Message-ID: <CAN+qd7BdebHJoNDTh_ordOOxd4ch2rxvj6YEBdMGXCdqmq-sHA@mail.gmail.com>
Date:	Sat, 15 Jun 2013 21:33:03 +0200
From:	diego fanesi <diego.fanesi@...il.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: bug report about acpiphp

yes, it works with them.

Those patches will be included in the next rc of the kernel 3.10?

2013/6/15 Yinghai Lu <yinghai@...nel.org>:
> On Sat, Jun 15, 2013 at 8:34 AM, diego fanesi <diego.fanesi@...il.com> wrote:
>> I would like to report a bug about the module acpiphp. I don't know if
>> this is the right place, if it isn't please tell me where I should
>> write and I will do it.
>>
>> description: docking station hotplug working on 3.5.0 kernel but not
>> in previous and next kernel releases
>> hardware: sony vaio serie z SVZ1311C5E + Docking station VGP-PRZ20A
>> distro: Ubuntu precise, kernels compiled from the source in kernel.org
>>
>> The problem is about connecting the docking station after the boot.
>> with kernel 3.5.0:
>> when I connect the docking station I can see the following log lines (dmesg):
>> [ 2442.046921] acpiphp: Slot [1-1] registered
>> [ 2442.046945] acpiphp: Slot [2] registered
>> [ 2442.046968] acpiphp: Slot [3] registered
>> [ 2442.047056] acpiphp: Slot [1-2] registered
>> [ 2442.047066] acpiphp_glue: sibling found, but _SUN doesn't match!
>> [ 2442.047169] acpiphp: Slot [1-3] registered
>> [ 2442.047229] acpiphp: Slot [1-4] registered
>> [ 2442.047300] acpiphp: Slot [1-5] registered
>>
>> after that all the devices are available in the system. I can use the
>> external network, the bluray device, and the usb ports available in
>> the docking station.
>> if I unload the acpiphp module the hotplug doesn't work, meaning no
>> log lines and devices not usable.
>>
>> with any other kernel (I tried also with 3.10rc5):
>> when I connect the docking station I cannot see the log lines
>> specified above, and the devices are not available. I tried with and
>> without acpiphp loaded.
>>
>> I didn't tried with other 3.5 kernel versions. I tried with 3.7 and
>> 3.8 and it is not working
>>
>> If I connect the docking station before the boot with a non 3.5.0
>> kernel and I unplug it I can continue to see the devices available but
>> of course not working.
>
> please check v3.10-rc5 +
> https://patchwork.kernel.org/patch/2723671/
> https://patchwork.kernel.org/patch/2723721/
> https://patchwork.kernel.org/patch/2723751/
> https://patchwork.kernel.org/patch/2723791/
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