From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 85311] radeon 0000:01:00.0: Max Payload Size 16384, but upstream 0000:00:01.0 set to 128; if necessary, use "pci=pcie_bus_safe" and report a bug
Date: Wed, 01 Oct 2014 16:22:19 +0000 [thread overview]
Message-ID: <bug-85311-2300-KtV9QCrTzR@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-85311-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=85311
--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
When the radeon device is powered down, all the PCI registers and BARs read
back as ones. which is why you are seeing the radeon errors. Apparently the
pci runtime pm code does not properly ask the driver to power the card up
before accessing those registers. Unfortunately, I'm not that familiar with
the Linux runtime pm code. I have no idea about the i915 and apci messages.
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next prev parent reply other threads:[~2014-10-01 16:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-30 10:25 [Bug 85311] New: radeon 0000:01:00.0: Max Payload Size 16384, but upstream 0000:00:01.0 set to 128; if necessary, use "pci=pcie_bus_safe" and report a bug bugzilla-daemon
2014-09-30 13:33 ` [Bug 85311] " bugzilla-daemon
2014-09-30 14:39 ` bugzilla-daemon
2014-10-01 16:11 ` bugzilla-daemon
2014-10-01 16:22 ` bugzilla-daemon [this message]
2014-10-19 15:50 ` bugzilla-daemon
2014-10-23 15:55 ` bugzilla-daemon
[not found] <bug-85311-41252@https.bugzilla.kernel.org/>
[not found] ` <bug-85311-41252-8dDry2SwcF@https.bugzilla.kernel.org/>
2014-10-02 15:48 ` Bjorn Helgaas
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