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NeddySeagoon
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 Posted: Sat Feb 01, 2014 11:20 pm Post subject: |
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Chiitoo,
| Code: | | CONFIG_FB_CON_DECOR=n |
turns off splash framebuffer support.
As you say, it was fine before.
fachexot,
How did you make the changes to the kernel configuration?
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NeddySeagoon
Computer users fall into two groups:-
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fachexot
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Joined: 01 Feb 2014
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Location: Nuremberg, Germany
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| Posted: Sat Feb 01, 2014 11:28 pm Post subject: |
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There is no kernel panic again.
I did not change any other kernel config except of that mentioned in my post.
I booted into recovery mode (since then no kernel command parameters are used according to /etc/default/grub) and the same behaviour happens.
Now, I tried to boot again with only kernel command line parameter "rootfstype=ext2" (also removed net.ifnames=0).
Same behaviour. The underscore is blinking two times, then hangs and hard drive noises can be heard. Then the video signal breaks up.
| NeddySeagoon wrote: | | How did you make the changes to the kernel configuration? |
As I said, by executing the genkernel command with the arguments mentioned above. The menuconfig showed up and I searched the particular settings by pressing '/'. I only changed the settings you recommended. |
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Jaglover
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| Posted: Sat Feb 01, 2014 11:35 pm Post subject: |
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Not an ATI user, had the last one 15+ years ago.
I did have similar issue with Intel, KMS defaulted to an incorrect output (which may theoretically exist in chipset but wasn't physically present on given motherboard), had to add video=LVDS-1:d to the kernel command line to let in know there is no such output.
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fachexot
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Joined: 01 Feb 2014
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| Posted: Sat Feb 01, 2014 11:41 pm Post subject: |
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| Jaglover wrote: | | had to add video=LVDS-1:d to the kernel command line |
No, nothing changed, same behaviour. 
I'm glad I made some bash scripts to mount/umount devices.... |
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Jaglover
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fachexot
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| Posted: Sat Feb 01, 2014 11:49 pm Post subject: |
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| Jaglover wrote: | Your monitor is connected to VGA?
video=LVDS-1:d disables first DVI output. |
:S No, my monitor is on DVI. I have also HDMI output but there is nothing plugged in. |
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Jaglover
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NeddySeagoon
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| Posted: Sat Feb 01, 2014 11:51 pm Post subject: |
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fachexot,
"rootfstype=ext2" is wrong. Your /boot is ext2 and root is ext4.
That rootfstype will prevent root being mounted, which will cause a kernel panic.
As you don't get a panic, the startup is not getting that far.
We can try with vesa framebuffer as a get you going measure if you want.
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NeddySeagoon
Computer users fall into two groups:-
those that do backups
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Jaglover
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fachexot
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Joined: 01 Feb 2014
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Location: Nuremberg, Germany
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| Posted: Sat Feb 01, 2014 11:55 pm Post subject: |
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| NeddySeagoon wrote: | | Your /boot is ext2 and root is ext4. |
oO Oh, it is getting late..  Changing and trying again.
| NeddySeagoon wrote: | | We can try with vesa framebuffer as a get you going measure if you want. |
I also thought about this. We could try to decide, if the ATI card causes the problems, I think. Plus I think there is not much else to try? What options do I have to y/m/n?
Thanks for the patience.
Edit: How does the liveCD handle graphics? Is it VESA? |
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fachexot
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Joined: 01 Feb 2014
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| Posted: Sat Feb 01, 2014 11:59 pm Post subject: |
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| Jaglover wrote: | https://www.osadl.org/Single-View.111+M5b7fe294ea7.0.html
Keep in mind it may or may not be your problem. |
I had a second monitor plugged into HDMI recently. To check, if DVI / HDMI makes any difference (or maybe the output only goes to HDMI). So I think, my monitor is not the problem here. And also the liveCD works fine. |
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Chiitoo
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| Posted: Sun Feb 02, 2014 12:01 am Post subject: |
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| fachexot wrote: | | Edit: How does the liveCD handle graphics? Is it VESA? |
Not off of memory, but quoting the dmesg you delivered:
| Code: | | [ 0.916748] fb0: VESA VGA frame buffer device |
I might say yes.
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Jaglover
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| Posted: Sun Feb 02, 2014 12:04 am Post subject: |
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Yes, but in my case the output KMS defaulted to wasn't even physically present. You may want to sleep on it. Es ist spät. Gute Nacht!
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fachexot
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| Posted: Sun Feb 02, 2014 12:05 am Post subject: |
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| Jaglover wrote: | | You may want to sleep on it. Spät. Gute Nacht! |
Haha, thanks, but rather I want to get my Gentoo running  |
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Jaglover
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fachexot
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| Posted: Sun Feb 02, 2014 12:08 am Post subject: |
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| Jaglover wrote: | | Well, I'm not saying my advise is the best, but I'd say build a kernel without KMS and try it. |
Ok, I will try. I am in already in menuconfig atm. |
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NeddySeagoon
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| Posted: Sun Feb 02, 2014 12:08 am Post subject: |
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fachexot,
The liveCD uses vesa.
Turn on | Code: | | [*] VESA VGA graphics support |
Thats CONFIG_FB_VESA
| Code: | | Turn off < > ATI Radeon (NEW) |
thats CONFIG_DRM_RADEON
If you want to try with a liveCD style kernel, its made with genkernel all.
You mentioned two displays. Test with only one display connected. A connected but powered off display may still be detected.
Its possible the video card switched the video to a second powered down display
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NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
Last edited by NeddySeagoon on Sun Feb 02, 2014 12:11 am; edited 1 time in total |
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fachexot
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Joined: 01 Feb 2014
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Location: Nuremberg, Germany
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| Posted: Sun Feb 02, 2014 12:11 am Post subject: |
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| NeddySeagoon wrote: | Turn on | Code: | | [*] VESA VGA graphics support |
Thats CONFIG_FB_VESA
| Code: | | Turn off < > ATI Radeon (NEW) |
thats CONFIG_DRM_RADEON |
Thanks!
| NeddySeagoon wrote: | | If you want to try with a liveCD style kernel, its made with genkernel all |
But when I now run genkernel all, I think it uses the config of last time. (Is this handled by /etc/gentool.conf -> OLDCONFIG="yes" aka 'make oldconfig'? Or how can I reset default configuration?) Also, I tried genkernel all right before I created this thread. |
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NeddySeagoon
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| Posted: Sun Feb 02, 2014 12:14 am Post subject: |
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fachexot,
The oldconfig option to genkernel tells it to use the current config file in the kernel tree.
Without the oldconfig option, the .config is reset to the genkernel default.
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NeddySeagoon
Computer users fall into two groups:-
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fachexot
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Joined: 01 Feb 2014
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| Posted: Sun Feb 02, 2014 12:37 am Post subject: |
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I removed /etc/kernels/* and executed
| Code: | | genkernel --mrproper --splash --install --symlink --menuconfig all |
and then I had a config from scratch (maybe turning off OLDCONFIG in /etc/genkernel.conf would have avoided the manuel deleting of /etc/kernels/*, but I am trying out to understand this thing...)
Now the default config shows the following (relevant) settings (without CONFIG. prefix):
Search for 'VESA':
| Code: | FB_VESA=y
FB_UVESA=n
FB_BOOT_VESA_SUPPORT=y |
Search for 'RADEON':
| Code: | DRM_RADEON=m
FB_RADEON_BACKLIGHT=n
DRM_RADEON_UMS=n
FB_RADEON_DEBUG=n
FB_RADEON_I2C=n
FB_RADEON=n |
I changed DRM_RADEON to n.
Oh, and then I discovered
where it says, that Intel i5 [...] with integrated graphics are supported. I changed it to n, so that it would not load this accidentially, because I have Intel i5, but without integrated graphics (for sure). I think this can't hurt.
Compiling, installing and rebooting...
Last edited by fachexot on Sun Feb 02, 2014 12:45 am; edited 1 time in total |
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Jaglover
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| Posted: Sun Feb 02, 2014 12:42 am Post subject: |
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| Quote: | | I changed DRM_RADEON manually to n. |
Hope it does not mean you edited the .config by hand? Do not do that.
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fachexot
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| Posted: Sun Feb 02, 2014 12:44 am Post subject: |
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| Jaglover wrote: | | Quote: | | I changed DRM_RADEON manually to n. |
Hope it does not mean you edited the .config by hand? Do not do that. |
No, with 'manually' I meant 'I use default except of this change'... You can discard the 'manually'.
I changed it via menuconfig. |
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Chiitoo
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| Posted: Sun Feb 02, 2014 12:54 am Post subject: |
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Just a little bit of an off-the-topic mention aroused by genkernel:
You might like to take a peek into Pappy's Kernel Seeds, if you haven't yet. It helps a lot with the jump into manually configuring the kernel. I know this even though I have never used them. Well, I did... once. That was just recently in fact, on a test-box I was meddling with, and doing so cut off a lot of my own work-load (thanks, Pappy!).
It may not really solve this issue at all, but that's something to think about for tomorrow (or later today).
I started with genkernel myself, back in 2010, when I was all-new to Linux altogether and certainly had no idea about what to do with the kernel options. Once I took the dip into manually configuring it, however, I've always been glad I did.
I can't really say anything bad about genkernel, as it's doing a great job, and so are the people maintaining it. Yet I think it's not likely that it can ever be too close to manual.
I do believe with what you're currently building, we might be seeing some positive results!
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fachexot
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| Posted: Sun Feb 02, 2014 1:00 am Post subject: |
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| it is working. |
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Chiitoo
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| Posted: Sun Feb 02, 2014 1:05 am Post subject: |
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Good job, well done. ^^
Should be satisfying to go for that sleep at this point, though I know from experience that it may be difficult to stand away from.
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Installing Gentoo
