Mint 11 kernel regression on Lenovo Ideapad G575

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Mint 11 kernel regression on Lenovo Ideapad G575

Postby juraj on Thu Sep 22, 2011 3:50 pm

I have recently (in august 2011) purchased notebook Lenovo IdeaPad G575 AMD Fusion without OS

Processor: AMD Zacate Dual-Core E-350 1,6 GHz, 2x 512 KB L2 Cache 2 core, max TDP: 18 W
RAM: 1x 2 GB DDR3 1066 MHz
Display: 15,6" LCD TFT LED illumination glossy, resolution 1366 x 768
Graphics card (internal in processor chip): AMD Radeon HD6310
HDD: 320 GB 5400 RPM
DVD: SuperMulti DVD-RW DL
Integrated sound card
Stereo spekers
Webcam

Ethernet 10/100 Mbit/s
Wireless LAN 802.11b/g/n
4x USB 2.0
1x D-Sub (VGA)
1x RJ-45
1x Mic
1x Headphones
1x card reader 2in1 (SD/ MMC)

This model is quite new (2011) so I would understand, that it won't work with older versions of Linux. But opposite has happend.

I tried to boot live DVD Linux Mint 11 Katya 64 bit.
System started booting, but as it came to start GUI it has frozen and only hard reset has helped.

Later I have tried to boot Linux Mint Debian Gnome 2011-08 64 bit live DVD and Kubuntu 11.04 64 bit live CD (I wanted to verify if the problem could be in Gnome) with the same sad result.

Ubuntu 11.10 Beta1 failed to boot too. Both 64 bit and 32 bit versions. The system has always frozen at some point.

I have always checked md5sum for iso image and also md5sum -c md5sum.txt for burned DVD. Everyting was OK.

I have tried various boot option combinations (nomodeset acpióff pci=routeirq ...) and BIOS sata mode = AHCI - all sugested in various Linux forums, but nothong has helped.

Also starting Mint in Compatibility Mode didn't helped. Mint Debian was able to run in terminal mode, but has reported "Boot failed".

All these media booted with no problem on my desktop PC.

I would be sure that problem was in hardware, but to my surprise Ubuntu 10.10 Maverick 32 bit and Linux Mint 10 Julia (both 64 and 32 bit) booted from live CD/DVD with no problems.

I have finally installed Linux Mint 10 64 bit, and everythig workes fine.
Just graphics has had resolution 1024 * 768 immediately after installation.
When I have installed additonal drivers from Mint repository I have got resolution 1366 * 768 but "AMD unsupported hardware" watermark appeared in the right lower corner of the screen.
Later I have replaced fglrx version 2.8.780 (from repository) with newer version fglrx_8.881-0ubuntu1_amd64.deb from AMD web site and everything workes perfect with no watermark.

To verify hypothesis that problem is in kernel I have tried Fedora 15 live CD - computer has frozen.
Fedora 14 live CD works fine :-)

So it looks like kernel 2.6.35 works fine, higher kernel freezes.

So I am very dissapointed with this FATAL REGRESSION. I hope that till new version of Mint 12 or Ubuntu 11.10 this problem will be solved, as I don't want to stick to Mint 10 forever.

This type of regression is great shame for Linux which can discourage many potential users from using Linux. I would like to recommend Linux (Ubuntu or Mint) to my friends, but in this situation I cannot.

Please, help me to fix this problem.
juraj
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Re: Mint 11 kernel regression on Lenovo Ideapad G575

Postby juraj on Wed Sep 28, 2011 11:35 am

Please help me to forward thiss issue to those who can correct linux kernel. Thanks.
juraj
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Re: Mint 11 kernel regression on Lenovo Ideapad G575

Postby juraj on Sat Oct 08, 2011 4:32 pm

With help of freechelmi on Ubuntu forum workaround found:

http://ubuntuforums.org/showthread.php? ... st11322959

For me is this workaround satisfying:

- ethernet plugged
- Wifi disabled ( via hardware button )
- Boot and install LinuxMint11 from LiveDVD
- Add "blacklist atl1c" in /etc/modprobe.d/blacklist.conf
- Call update-initramfs -u to update the modules loaded at boot.

No more freeze, but no more ethernet obviously. It is no problem since WiFi works OK.
No problem with AMD graphics driver, installed from repository, everything works well.

Card reader repaired according to:

http://ubuntuforums.org/showthread.php? ... st11316191

Now I am happy with this status :D . All hardware except ethernet works now perfect.
juraj
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Re: Mint 11 kernel regression on Lenovo Ideapad G575

Postby juraj on Fri Nov 30, 2012 10:12 am

Issue is already solved in Linux Mint 14.
juraj
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