Re: [Bugme-new] [Bug 12712] New: s2disk hangs with nvidiafb

Mon, 16 Feb 2009 20:59:47 +0100
  Krzysztof Helt [off-list ref] wrote:

Hello.

On Sun, 15 Feb 2009 23:11:26 +0200
"Sergei S." [off-list ref] wrote:

quoted

I've tested
2.6.27-14, 2.6.29-rc4 (git-5, git-7), 2.6.29-rc5

all of them fails to s2disk with nvidiafb.

dmesg | grep buf
[    1.651258] Console: switching to colour frame buffer device 160x50
[    1.652466] nvidiafb: PCI nVidia NV1d framebuffer (64MB @ 0xC0000000)
[    1.652846] vesafb: framebuffer at 0xc0000000, mapped to 0xfd980000, using
6144k, total 131072k
[    1.653320] fb1: VESA VGA frame buffer device

Interesting, you have two framebuffers running on a single card. Does the s2disk
works for you if you select nvidiafb and turn off vesa framebuffer?

2.6.29-rc5 (vesafb, no nvidiafb)
dmesg | grep buf
[    0.779860] vesafb: framebuffer at 0xc0000000, mapped to 0xf8080000, using 6144k, 
total 131072k
[    0.839688] Console: switching to colour frame buffer device 128x48
[    0.899922] fb0: VESA VGA frame buffer device

s2disk works ok.


2.6.29-rc5 (no vesafb, nvidiafb)
dmesg | grep buf
[    1.556692] Console: switching to colour frame buffer device 160x50
[    1.558905] nvidiafb: PCI nVidia NV1d framebuffer (64MB @ 0xC0000000)

s2disk doesn't work with nvidiafb.

  

Can you post the same lines for the latest working kernel with both vesa and nvidia
framebuffers selected?

Sure.

[!!!Copy-paste from prev. posts]
working kernel with vesafb and nvidifb selected (s2disk fails).

2.6.29-rc5
dmesg | grep buf
[    1.658735] Console: switching to colour frame buffer device 160x50
[    1.659929] nvidiafb: PCI nVidia NV1d framebuffer (64MB @ 0xC0000000)
[    1.660386] vesafb: framebuffer at 0xc0000000, mapped to 0xfd180000, using 6144k, 
total 131072k
[    1.660825] fb1: VESA VGA frame buffer device
  
2.6.27-14
dmesg | grep buf
[    1.651258] Console: switching to colour frame buffer device 160x50
[    1.652466] nvidiafb: PCI nVidia NV1d framebuffer (64MB @ 0xC0000000)
[    1.652846] vesafb: framebuffer at 0xc0000000, mapped to 0xfd980000, using 6144k, 
total 131072k
[    1.653320] fb1: VESA VGA frame buffer device


[!!] current build (2.6.29-rc5 vesafb, nvidiafb)
dmesg | grep buf
[    0.944049] Console: switching to colour frame buffer device 160x50
[    0.945233] nvidiafb: PCI nVidia NV1d framebuffer (64MB @ 0xC0000000)
[    0.945675] vesafb: framebuffer at 0xc0000000, mapped to 0xfd180000, using 6144k, 
total 131072k
[    0.946119] fb1: VESA VGA frame buffer device

s2disk fails.


Regards,
Sergey
  

Regards,
Krzysztof


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