Date: Mon, 04 Jul 2016 00:15:43 +0300 From: Vladimir Kondratyev <wulf@cicgroup.ru> To: Matthias Apitz <guru@unixarea.de>, Vladimir Kondratyev <wulf@cicgroup.ru>, freebsd-mobile@freebsd.org Cc: owner-freebsd-mobile@freebsd.org Subject: Re: psm(4) support for Elantech touchpads Message-ID: <6d9d3a0a34a740e76c644f4154c02576@localhost> In-Reply-To: <20160703185028.GA2151@c720-r292778-amd64> References: <20160703185028.GA2151@c720-r292778-amd64>
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On 2016-07-03 21:50, Matthias Apitz wrote: > Hello Vladimir, > > I own an Acer C720 (aka Chromebook) which worked fine concerning the > touchpad with the cyapa driver in CURRENT. After a repair in Acer.com > they said that they have had to change the keyboard and the touchpad > and > it now does not attach anymore to the cyapa.ko; it seems that it was > replace by an Elan TP and while googlöing for support I found your > posting from September 2015. I have applied the patch to r292778 but > the > code is not walked through because it says on verbose boot: > > atkbd0: [GIANT-LOCKED] > random: harvesting attach, 8 bytes (4 bits) from atkbd0 > psm0: unable to allocate IRQ > > Any ideas about this? Thanks in advance > > matthias Hi, Matthias I`m afraid that device resource management is not what I`m familiar with. Sorry. Mouse type detection starts 200 lines below IRQ initialization so this message should not depend on my patch. Quick googling shows that this is most probably an ACPI issue but that all I was able to find WBR, Vladimir Kondratyev
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