<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NV34] failed to idle channel 0xcccc0000 (also NV44A)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70388#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NV34] failed to idle channel 0xcccc0000 (also NV44A)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70388">bug 70388</a>
from <span class="vcard"><a class="email" href="mailto:linasvepstas@gmail.com" title="Linas Vepstas <linasvepstas@gmail.com>"> <span class="fn">Linas Vepstas</span></a>
</span></b>
<pre>I don't think I have AGP .. trying to figure this out. The north/southbridge
is NVIDIA Corporation MCP55.
Here is the PCIe bridge and the video cards:
lspci -vnn
00:0f.0 PCI bridge [0604]: NVIDIA Corporation MCP55 PCI Express bridge
[10de:0377] (rev a3) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Memory behind bridge: f7000000-f9ffffff
Prefetchable memory behind bridge: 00000000e0000000-00000000efffffff
Capabilities: [40] Subsystem: NVIDIA Corporation Device [10de:0000]
Capabilities: [48] Power Management version 2
Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+
Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed-
Capabilities: [80] Express Root Port (Slot+), MSI 00
Capabilities: [100] Virtual Channel
Kernel driver in use: pcieport
01:06.0 VGA compatible controller [0300]: NVIDIA Corporation NV44A [GeForce
6200] [10de:0221] (rev a1) (prog-if 00 [VGA controller])
Subsystem: eVga.com. Corp. Device [3842:b402]
Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 16
Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
Memory at c0000000 (32-bit, prefetchable) [size=512M]
Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
[virtual] Expansion ROM at fc000000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Kernel driver in use: nouveau
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation G72 [GeForce 7300
LE] [10de:01d1] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:0405]
Flags: bus master, fast devsel, latency 0, IRQ 42
Memory at f7000000 (32-bit, non-prefetchable) [size=16M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f8000000 (64-bit, non-prefetchable) [size=16M]
Expansion ROM at f9fe0000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [128] Power Budgeting <?>
Kernel driver in use: nouveau
The only dmesg lines that mention AGP, agp or gart are:
[ 0.000000] AGP: No AGP bridge found
[ 0.000000] AGP: Node 0: aperture [bus addr 0xb4000000-0xb5ffffff]
(32MB)
[ 0.000000] Aperture pointing to e820 RAM. Ignoring.
[ 0.000000] AGP: Your BIOS doesn't leave a aperture memory hole
[ 0.000000] AGP: Please enable the IOMMU option in the BIOS setup
[ 0.000000] AGP: This costs you 64MB of RAM
[ 0.000000] AGP: Mapping aperture over RAM [mem 0xb4000000-0xb7ffffff]
(65536KB)
[ 0.256789] pci 0000:02:00.0: Boot video device
[ 0.256791] PCI: CLS 32 bytes, default 64
[ 0.256980] PCI-DMA: Disabling AGP.
[ 0.257075] PCI-DMA: aperture base @ b4000000 size 65536 KB
[ 0.257079] PCI-DMA: using GART IOMMU.
[ 0.257083] PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture
[ 0.284288] Linux agpgart interface v0.103
Should I try vram_pushbuf=1 anyway ?</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>