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[217.169.3.230]) by smtp.gmail.com with ESMTPSA id k4sm7294845wrc.34.2017.08.14.08.09.15 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 14 Aug 2017 08:09:16 -0700 (PDT) From: Mick To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Something started muting the sound Date: Mon, 14 Aug 2017 16:08:51 +0100 Message-ID: <1873478.rr6Sr3T1y7@dell_xps> User-Agent: KMail/4.14.10 (Linux/4.9.34-gentoo; KDE/4.14.32; x86_64; ; ) In-Reply-To: <201708141931.48664.robin@binro.org> References: <201708122049.48700.robin@binro.org> <6242374.MZFmfmMHZT@dell_xps> <201708141931.48664.robin@binro.org> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart4065834.ThfKyYeoJN"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-Archives-Salt: 23fd9b67-8eda-4775-854f-a16db8fe6eda X-Archives-Hash: 6a784cb222bd55621c436d738e8f7dce --nextPart4065834.ThfKyYeoJN Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" On Monday 14 Aug 2017 19:31:48 Robin Atwood wrote: > On Monday 14 August 2017, Mick wrote: > > On Sunday 13 Aug 2017 20:27:12 Robin Atwood wrote: > > > On Saturday 12 August 2017, Alexander Kapshuk wrote: > > > However, grepping dmesg was interesting: > > >=20 > > > # grep HDA /var/log/dmesg > > > [ 10.981754] input: HDA Digital PCBeep as > > > /devices/pci0000:00/0000:00:1b.0/sound/card0/hdaudioC0D0/inp > > > ut9 > > > [ 10.981963] input: HDA Intel MID Mic as > > > /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 > > > [ 10.982033] input: HDA Intel MID Dock Mic as > > > /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 > > > [ 10.982102] input: HDA Intel MID Dock Headphone as > > > /devices/pci0000:00/0000:00:1b.0/sound/card0/input > > > 12 > > > [ 10.982171] input: HDA Intel MID Headphone as > > > /devices/pci0000:00/0000:00:1b.0/sound/card0/input13 > >=20 > > The above shows you have your laptop docked. When docked the on bo= ard > > speakers are usually disconnected. > >=20 > > It's been a very long time since I docked a laptop and my memory is= not > > very reliable, but I recall fixing a similar problem by selecting a= > > different output device. I don't know if you can do this from alsa= mixer, > > but you should be able to do it from pulseaudio, or from whatever G= UI your > > desktop provides for managing audio devices. Switch over from > > headphones/docking station to speakers and you should be OK. >=20 > That's very interesting and would explain a lot except that I don't h= ave a > dock! So does anybody have an idea as to why the TP has decided it's = been > docked when it hasn't? There are not currently any other output devic= es to > select (AFAICT). >=20 > Thanks > Robin It could be a hardware problem. Check the docking port has not been un= locked=20 accidentally for some reason, no debris is shorting its connectors and = that=20 the BIOS menu does not report it being docked. I think the audio outpu= t=20 device symptom is controlled by ACPI, but before blaming bugs in ACPI I= 'd=20 start by looking at the hardware in the first instance. =2D-=20 Regards, Mick --nextPart4065834.ThfKyYeoJN Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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