Ubuntu Server 13.10 appears to be very unstable, I got random crashes of the system with no apparent reason and nothing is showing in syslog.

This is screenshot from the console when the crash occurred

enter image description here

Anyway I think it's actually caused by the new kernel 3.11. I would like to downgrade to 3.4 to check it. Is it possible?

sudo aptitude search linux-image indicates that only versions available I've is 3.11 kernel:

p   linux-image                                                     - Generic Linux kernel image.                                               
p   linux-image:i386                                                - Generic Linux kernel image.                                               
v   linux-image-3.0                                                 -                                                                           
v   linux-image-3.0:i386                                            -                                                                           
p   linux-image-3.11.0-11-lowlatency                                - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.11.0-11-lowlatency:i386                           - Linux kernel image for version 3.11.0 on x86/x86_64                       
i A linux-image-3.11.0-12-generic                                   - Linux kernel image for version 3.11.0 on 64 bit x86 SMP                   
p   linux-image-3.11.0-12-generic:i386                              - Linux kernel image for version 3.11.0 on 32 bit x86 SMP                   
p   linux-image-3.11.0-13-generic                                   - Linux kernel image for version 3.11.0 on 64 bit x86 SMP                   
p   linux-image-3.11.0-13-generic:i386                              - Linux kernel image for version 3.11.0 on 32 bit x86 SMP                   
p   linux-image-3.11.0-13-lowlatency                                - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.11.0-13-lowlatency:i386                           - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.11.0-14-generic                                   - Linux kernel image for version 3.11.0 on 64 bit x86 SMP                   
p   linux-image-3.11.0-14-generic:i386                              - Linux kernel image for version 3.11.0 on 32 bit x86 SMP                   
p   linux-image-3.11.0-14-lowlatency                                - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.11.0-14-lowlatency:i386                           - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.11.0-15-generic                                   - Linux kernel image for version 3.11.0 on 64 bit x86 SMP                   
p   linux-image-3.11.0-15-generic:i386                              - Linux kernel image for version 3.11.0 on 32 bit x86 SMP                   
p   linux-image-3.11.0-15-lowlatency                                - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.11.0-15-lowlatency:i386                           - Linux kernel image for version 3.11.0 on x86/x86_64                       
p   linux-image-3.4.0-1-goldfish:i386                               - Linux kernel image for version 3.4.0 on Android touch emulation           
i A linux-image-extra-3.11.0-12-generic                             - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP           
p   linux-image-extra-3.11.0-12-generic:i386                        - Linux kernel extra modules for version 3.11.0 on 32 bit x86 SMP           
p   linux-image-extra-3.11.0-13-generic                             - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP           
p   linux-image-extra-3.11.0-13-generic:i386                        - Linux kernel extra modules for version 3.11.0 on 32 bit x86 SMP           
p   linux-image-extra-3.11.0-14-generic                             - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP           
p   linux-image-extra-3.11.0-14-generic:i386                        - Linux kernel extra modules for version 3.11.0 on 32 bit x86 SMP           
p   linux-image-extra-3.11.0-15-generic                             - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP           
p   linux-image-extra-3.11.0-15-generic:i386                        - Linux kernel extra modules for version 3.11.0 on 32 bit x86 SMP           
p   linux-image-extra-virtual                                       - Transitional package.                                                     
p   linux-image-extra-virtual:i386                                  - Transitional package.                                                     
i A linux-image-generic                                             - Generic Linux kernel image                                                
p   linux-image-generic:i386                                        - Generic Linux kernel image                                                
p   linux-image-generic-pae:i386                                    - Transitional package                                                      
p   linux-image-goldfish:i386                                       - Linux kernel image for the goldfish kernel.                               
p   linux-image-lowlatency                                          - lowlatency Linux kernel image                                             
p   linux-image-lowlatency:i386                                     - lowlatency Linux kernel image                                             
p   linux-image-lowlatency-pae:i386                                 - Transitional package                                                      
p   linux-image-server                                              - Transitional package.                                                     
p   linux-image-server:i386                                         - Transitional package.                                                     
p   linux-image-virtual                                             - This package will always depend on the latest minimal generic kernel image
p   linux-image-virtual:i386                                        - This package will always depend on the latest minimal generic kernel image

apt-cache search linux-image

alsa-base - ALSA driver configuration files
linux-image - Generic Linux kernel image.
linux-image-3.11.0-12-generic - Linux kernel image for version 3.11.0 on 64 bit x86 SMP
linux-image-extra-3.11.0-12-generic - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP
linux-image-extra-virtual - Transitional package.
linux-image-generic - Generic Linux kernel image
linux-image-server - Transitional package.
linux-image-virtual - This package will always depend on the latest minimal generic kernel image.
linux-virtual - Minimal Generic Linux kernel and headers
linux-image-generic-pae - Transitional package
linux-image-3.11.0-11-lowlatency - Linux kernel image for version 3.11.0 on x86/x86_64
linux-image-lowlatency - lowlatency Linux kernel image
linux-image-3.4.0-1-goldfish - Linux kernel image for version 3.4.0 on Android touch emulation
linux-image-goldfish - Linux kernel image for the goldfish kernel.
linux-image-lowlatency-pae - Transitional package
linux-image-3.11.0-13-generic - Linux kernel image for version 3.11.0 on 64 bit x86 SMP
linux-image-3.11.0-14-generic - Linux kernel image for version 3.11.0 on 64 bit x86 SMP
linux-image-3.11.0-15-generic - Linux kernel image for version 3.11.0 on 64 bit x86 SMP
linux-image-extra-3.11.0-13-generic - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP
linux-image-extra-3.11.0-14-generic - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP
linux-image-extra-3.11.0-15-generic - Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP
linux-image-3.11.0-13-lowlatency - Linux kernel image for version 3.11.0 on x86/x86_64
linux-image-3.11.0-14-lowlatency - Linux kernel image for version 3.11.0 on x86/x86_64
linux-image-3.11.0-15-lowlatency - Linux kernel image for version 3.11.0 on x86/x86_64

dpkg -l | grep linux

ii  libselinux1:amd64                   2.1.13-2                            amd64        SELinux runtime shared libraries
ii  libv4l-0:amd64                      0.8.9-4                             amd64        Collection of video4linux support libraries
ii  libv4lconvert0:amd64                0.8.9-4                             amd64        Video4linux frame format conversion library
ii  linux-firmware                      1.116                               all          Firmware for Linux kernel drivers
ii  linux-generic                       3.11.0.12.13                        amd64        Complete Generic Linux kernel and headers
ii  linux-headers-3.11.0-12             3.11.0-12.19                        all          Header files related to Linux kernel version 3.11.0
ii  linux-headers-3.11.0-12-generic     3.11.0-12.19                        amd64        Linux kernel headers for version 3.11.0 on 64 bit x86 SMP
ii  linux-headers-generic               3.11.0.12.13                        amd64        Generic Linux kernel headers
ii  linux-image-3.11.0-12-generic       3.11.0-12.19                        amd64        Linux kernel image for version 3.11.0 on 64 bit x86 SMP
ii  linux-image-extra-3.11.0-12-generic 3.11.0-12.19                        amd64        Linux kernel extra modules for version 3.11.0 on 64 bit x86 SMP
ii  linux-image-generic                 3.11.0.12.13                        amd64        Generic Linux kernel image
ii  linux-libc-dev:amd64                3.11.0-15.23                        amd64        Linux Kernel Headers for development
ii  util-linux                          2.20.1-5.1ubuntu9                   amd64        Miscellaneous system utilities

UPDATE

tried to install the kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/

but ubuntu hangs at " Loading Initial Ramdisk"

UPDATE 2

looks like my system crashes are related to this bug: bugs.debian.org/cgi-bin/bugreport.cgi?bug=734172 apparently fixed in 3.12.6, but again ubuntu hangs at " Loading Initial Ramdisk"

You probably need to downgrade your version of Ubuntu, as those kernels are what's available in 13.10. Try this guide.

Otherwise, you could try grabbing an older kernel version from a stable LTS version: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/

Ubuntu kernel information: https://wiki.ubuntu.com/Kernel/MainlineBuilds

  • can't boot the system after reboot. ubuntu hangs at " Loading Initial Ramdisk" – Orlo Feb 3 '14 at 13:58
  • Which route did you choose? – Garrett Feb 3 '14 at 17:42
  • What do you mean by route? – Orlo Feb 3 '14 at 19:52
  • As in, which of the options I listed above did you choose? – Garrett Feb 3 '14 at 21:23
  • I tried to install 3.4 kernel... http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/ I'm afraid I'll completely mess ubuntu with the downgrade method. – Orlo Feb 3 '14 at 22:20

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