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Date: Sat, 15 Jun 2013 11:40:07 -0700 From: Yinghai Lu <yinghai@...nel.org> To: diego fanesi <diego.fanesi@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: bug report about acpiphp 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/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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