On Thu, Jul 3, 2014 at 10:32 PM, Ilia Mirkin wrote:
> So let me get this straight -- you're suggesting I add a quirk for
> every PCI chipset that doesn't support MSI? There are probably
> hundreds of these... anything made before 1999 or so, and probably a
> bunch since then too. There _has_ to be
Bjorn,
I went ahead and sent a report to
https://bugzilla.kernel.org/show_bug.cgi?id=79531. It does not appear
that my system supports APIC/LAPIC, from the dmesg logs which claim
that APIC is hardware disabled or not available. Perhaps the BIOS is
allowed to disable it, or is required to enable it
I am booting a kernel with CONFIG_ACPI=n on a platform which does not
support ACPI.
-Brian
On Fri, Jul 4, 2014 at 1:59 AM, Yijing Wang wrote:
There is a NVIDIA G96 GPU (which is PCIe only) hanging off of a PCIe
<-> PCI bridge (all on one card), which is plugged into a motherboard
My previous message was badly formatted, and didn't make it to
linux-...@vger.kernel.org. Hopefully this information is of some use.
root@p5-133:~# uname -a
Linux p5-133 3.15.2-p5-133 #1 Thu Jun 26 22:56:27 EDT 2014 i586 GNU/Linux
root@p5-133:~# lspci -vvvxxx
00:00.0 Host bridge: Intel Corporation
I mistakenly only replied to Yijing Wang the first time. Here are the
further details.
uname -a: Linux p5-133 3.15.2-p5-133 #1 Thu Jun 26 22:56:27 EDT 2014 i586
GNU/Linux
Here is the output from lspci -vvvxxx:
root@p5-133:~# cat lspci.txt
00:00.0 Host bridge: Intel Corporation 430FX - 82437FX TS
Yijing,
cat /sys/bus/pci/devices/\:00\:0e.0/msi_bus returns 1, suggesting
that it supports MSI. However, this "00:0e.0 PCI bridge: PLX
Technology, Inc. PEX8112 x1 Lane PCI Express-to-PCI Bridge (rev aa)"
is a component of the addin card. Wouldn't the lack of support for MSI
by the chipset "00:
On 2014/7/4 14:26, Brian Becker wrote:
> I am booting a kernel with CONFIG_ACPI=n on a platform which does not
> support ACPI.
Hmmm, so my suggestion is
1. Add quirk to detect 430FX chipset, if detected, disable MSI in this platform.
or
2. Append boot argument pci=nomsi in OS command line when th
>>> There is a NVIDIA G96 GPU (which is PCIe only) hanging off of a PCIe
>>> <-> PCI bridge (all on one card), which is plugged into a motherboard
>>> with the 430FX chipset (PCI 2.0 supported).
>>>
>>> The GPU PCI device, of course, has full support for MSI. However my
>>> understanding is that MS
On Thu, Jul 3, 2014 at 11:56 PM, Yijing Wang wrote:
> On 2014/7/4 11:30, Ilia Mirkin wrote:
>> On Thu, Jul 3, 2014 at 11:09 PM, Yijing Wang wrote:
>>> On 2014/7/4 10:43, Ilia Mirkin wrote:
On Thu, Jul 3, 2014 at 10:35 PM, Yijing Wang wrote:
> Hi Brian,
>From your 01:00.0 VGA com
On 2014/7/4 11:30, Ilia Mirkin wrote:
> On Thu, Jul 3, 2014 at 11:09 PM, Yijing Wang wrote:
>> On 2014/7/4 10:43, Ilia Mirkin wrote:
>>> On Thu, Jul 3, 2014 at 10:35 PM, Yijing Wang wrote:
Hi Brian,
From your 01:00.0 VGA compatible controller PCI config register, it
supports 1
On Thu, Jul 3, 2014 at 11:09 PM, Yijing Wang wrote:
> On 2014/7/4 10:43, Ilia Mirkin wrote:
>> On Thu, Jul 3, 2014 at 10:35 PM, Yijing Wang wrote:
>>> Hi Brian,
>>>From your 01:00.0 VGA compatible controller PCI config register, it
>>> supports 1 MSI vector, so I think this
>>> card has no p
On 2014/7/4 10:45, Brian Becker wrote:
> Yijing,
>
> cat /sys/bus/pci/devices/\:00\:0e.0/msi_bus returns 1, suggesting
> that it supports MSI. However, this "00:0e.0 PCI bridge: PLX
> Technology, Inc. PEX8112 x1 Lane PCI Express-to-PCI Bridge (rev aa)"
> is a component of the addin card. Would
On 2014/7/4 10:43, Ilia Mirkin wrote:
> On Thu, Jul 3, 2014 at 10:35 PM, Yijing Wang wrote:
>> Hi Brian,
>>From your 01:00.0 VGA compatible controller PCI config register, it
>> supports 1 MSI vector, so I think this
>> card has no problem. But you didn't answer what's the pci_enable_msi()
>
On Thu, Jul 3, 2014 at 10:35 PM, Yijing Wang wrote:
> Hi Brian,
>From your 01:00.0 VGA compatible controller PCI config register, it
> supports 1 MSI vector, so I think this
> card has no problem. But you didn't answer what's the pci_enable_msi() return
> during it enable MSI fail.
>
> You c
Hi Brian,
From your 01:00.0 VGA compatible controller PCI config register, it supports
1 MSI vector, so I think this
card has no problem. But you didn't answer what's the pci_enable_msi() return
during it enable MSI fail.
You can check PCI bus whether support MSI like:
cat /sys/bus/pci/devic
On 2014/7/3 11:20, Ilia Mirkin wrote:
> Hello,
>
> A user (cc'd) reported that nouveau's enabling of MSI causes the card
> to not work on his setup [1]. I think the situation is that MSI is
> just not supported by the underlying motherboard, even though the
> card, and probably bridge, support it
Hello,
A user (cc'd) reported that nouveau's enabling of MSI causes the card
to not work on his setup [1]. I think the situation is that MSI is
just not supported by the underlying motherboard, even though the
card, and probably bridge, support it just fine. It's a very old
board. The nouveau code
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