From: Lukas Wunner <firstname.lastname@example.org> To: Sinan Kaya <email@example.com>, Bjorn Helgaas <firstname.lastname@example.org> Cc: Mika Westerberg <email@example.com>, Yehezkel Bernat <firstname.lastname@example.org>, Michael Jamet <email@example.com>, firstname.lastname@example.org Subject: Re: Regression (sort of): PCI/portdrv: Turn off PCIe services during shutdown Date: Fri, 12 Jan 2018 12:03:24 +0100 [thread overview] Message-ID: <20180112110324.GB10599@wunner.de> (raw) In-Reply-To: <20180112104929.GA10599@wunner.de> On Fri, Jan 12, 2018 at 11:49:29AM +0100, Lukas Wunner wrote: > I'm not sure which Thunderbolt controllers fake the ability to send > CC interrupts but my old Light Ridge is definitely affected and I recall > seeing logs of newer Cactus Ridge and Falcon Ridge (Thunderbolt 2) > controllers which also had this issue. I'm cc'ing Intel folks in the > hope that they may know the details. I believe Mika has a MacBookPro13,3 > with Alpine Ridge (Thunderbolt 3) and could verify if that also has > this issue. These MacBook Pros have two Thunderbolt controllers, > so if affected, the commit would delay reboot by 16 seconds. I managed to dig up lspci output for a MacBookPro13,3 and Alpine Ridge has 1b in the No Command Completed Support field of the Slot Capabilities register, so no delay is observed at all and these newer machines are not affected. Question is, do the older controllers likewise not need a delay? Lukas
next prev parent reply other threads:[~2018-01-12 11:03 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-01-12 10:49 Lukas Wunner 2018-01-12 11:03 ` Lukas Wunner [this message] 2018-01-12 14:26 ` Sinan Kaya 2018-01-12 15:12 ` Lukas Wunner 2018-01-12 15:31 ` Sinan Kaya 2018-01-13 7:32 ` Lukas Wunner 2018-01-13 17:58 ` okaya 2018-01-13 19:39 ` Lukas Wunner 2018-01-13 20:49 ` okaya 2018-01-12 16:34 ` Mika Westerberg 2018-01-13 7:14 ` Lukas Wunner
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