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keyboard/mouse and ethernet card no response [Solved]
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helio
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PostPosted: Sat Sep 06, 2014 11:41 am    Post subject: keyboard/mouse and ethernet card no response [Solved] Reply with quote

After a recent routine emerge, the keyboard, mouse, and ethernet connection on one of my systems all became unresponsive. Even though the system itself boot into a kdm session asking for username and password to login, I couldn't because the keyboard is not responding. I couldn't even login remotely, because the ethernet connection stopped working.

What can I do with the problem? Any suggestions?


Last edited by helio on Sat Sep 06, 2014 4:18 pm; edited 1 time in total
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VoidMage
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PostPosted: Sat Sep 06, 2014 12:00 pm    Post subject: Reply with quote

Well, it could be a couple dozen of reasons...
First thing to check is xserver log, then (depending on the content) perhaps 'udevadm info' on input nodes...
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Hu
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PostPosted: Sat Sep 06, 2014 3:10 pm    Post subject: Reply with quote

Did the machine panic? Does it enter this state every time you power on? Does the machine power-off gracefully if you tap the power button to perform an ACPI software initiated shutdown (as opposed to holding the power button to force the system to turn off)? Does the kernel respond to magic sysrq? If yes, then use magic sysrq to switch to a console and begin repairs.

What exactly did you update since it was last working?
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helio
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PostPosted: Sat Sep 06, 2014 3:18 pm    Post subject: Reply with quote

When I was trying to "udevadm info", I realized that I may have accidentally uninstalled sys-fs/udev remotely, which could be the source of the current problem. But here is another catch. I am now trying to emerge sys-fs/udev from a livecd (after having changed root), but the emerge complains that "CONFIG_FHANDLE: is not set" in the kernel which is actually the kernel in the livecd. There is no way I can rebuild that kernel in the livecd. Maybe I should use a newer version of livecd?
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helio
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PostPosted: Sat Sep 06, 2014 3:26 pm    Post subject: Reply with quote

Hu wrote:
Did the machine panic? Does it enter this state every time you power on? Does the machine power-off gracefully if you tap the power button to perform an ACPI software initiated shutdown (as opposed to holding the power button to force the system to turn off)? Does the kernel respond to magic sysrq? If yes, then use magic sysrq to switch to a console and begin repairs.

What exactly did you update since it was last working?


The system only responds to keyboard during the BIOS stage. Afterwards there is no response whatsoever so I have to restart the system by pushing the "Reset" button.

During the last emerge from a remote login, there were some conflicting packages pulled into installation, including sys-fs/udev-215-r1, resulting in package blocking. Without a better solution, I un-emerged all conflicting packages involved. This may have created the current problem after the system rebooted.


Last edited by helio on Sat Sep 06, 2014 3:27 pm; edited 2 times in total
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VoidMage
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PostPosted: Sat Sep 06, 2014 3:26 pm    Post subject: Reply with quote

IIRC, ebuild doesn't check the running kernel, but the config in /usr/src/linux, so you can very well build your kernel there, you just need to put the built kernel in the proper place and update your bootloader settings.
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helio
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PostPosted: Sat Sep 06, 2014 3:28 pm    Post subject: Reply with quote

VoidMage wrote:
IIRC, ebuild doesn't check the running kernel, but the config in /usr/src/linux, so you can very well build your kernel there, you just need to put the built kernel in the proper place and update your bootloader settings.


Thanks, you are right, it works the way you recalled above.
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