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Old 10th August 2014
EverydayDiesel EverydayDiesel is offline
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Default Keystrokes missing from IPMI

Hello

I am having an issue with keystrokes getting missed via IPMI and OpenBSD 5.5 amd/64. I have swapped out every piece of hardware, ram, processor, motherboard, hdd, network cables, switch but no luck until I tried a different operating system (linux).

Is there anything I can do to make sure all keystrokes get logged? (it makes it impossible to login when random keys are missed)

Thanks in advance.


Also, the install goes smooth (not a keystroke missed) but as soon as you reboot (or any time after that) it will miss keystrokes randomly.

Last edited by EverydayDiesel; 10th August 2014 at 03:55 PM.
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Old 10th August 2014
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jggimi jggimi is offline
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Because an IPMI implementation is platform-specific, I recommend you post this question to the misc@ mailing list. You will reach a much broader audience, likely to include users of your specific hardware.

Don't forget to include a complete dmesg(8) in line (attachments will be deleted).
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EverydayDiesel EverydayDiesel is offline
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Hello.

I finally registered but i am not sure I understand the response or if it even applys to my situation.

Here is what they wrote.

Do you actually need keyboard?

I haven't tried it with X9 but I've just setup some X10 (A1SAi) with
serial-over-lan (console redirect on com1, redirect after POST -> boot
loader), it's much easier to work with than the java-plus-binary-module
rubbish.

As far as the OpenBSD side goes, if you 'stty com1 115200' and 'set tty com1'
in the boot loader when you install, the installer will prompt you to run
a console on that port automatically - otherwise if you've already installed,
you can add the stty/set lines to /etc/boot.conf and run a getty on tty01
in /etc/ttys.

Connect with "ipmitool -I lanplus -H hostname -U ADMIN -P ADMIN sol activate".

Private network on the management lan port of course, *never* expose crappy
BMC hardware to the internet! I run conserver on a host with a private network
to BMCs, which runs the above command to connect to the consoles, which logs
and manages access to them (and I recently added some config snippets for
this to the port in -current).
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The mailing lists are archived, so your conversation can be found on marc.info and gmane.org's servers, such as here.

The "they" you referred to was a single person - Stuart Henderson, one of OpenBSD's developers (sthen@). I can't say I understand his response entirely either, but then, I have no experience with IPMI operation. The part I do understand is the serial device configuration. The boot console can be serial, or you may have a non-console serial device (tty).

My knowledge of IPMI ends with Wikipedia, where serial connections are noted as optional with IPMI versions 1.5 and 2. Your link to your hardware spec page in your misc@ conversation mentions IPMI 2.0, which the Wikipedia article states uses Serial over LAN.

I recommend replying to Stu and him clarifying questions. If you prefer, you can ask him by replying to his address at spacehopper.org, rather than to the mailing list.

From what little I can gather, without knowledge of your system or of any other IPMI system, is that your "missing keystrokes" could be an issue of serial flow control. Could be. You can change flow control options in /etc/ttys, as described in ttys(5), and restart getty with # kill -s HUP 1 as described in init(8), then log in once again and see if the problem is fixed. Be warned -- you must have alternative access, such as an accessible sshd(8) server running so you can log in with ssh(1), because any change you make in /etc/ttys could render your serial connection inoperable.
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