GNU GRUB - Bugs: bug #51712, Issue with serial console...
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bug #51712: Issue with serial console redirection being lost over IPMI when booting to dos
Submitter: | Justin <evildesign> | ||
Submitted: | Thu 10 Aug 2017 12:56:55 AM UTC | ||
Category: | Booting | Severity: | Major |
Priority: | 5 - Normal | Item Group: | None |
Status: | None | Privacy: | Public |
Assigned to: | None | Originator Name: | |
Open/Closed: | Open | Release: | 2.02 |
Release: | Reproducibility: | Every Time | |
Planned Release: | None |
Thu 05 Oct 2017 10:19:39 PM UTC, comment #1: |
<qwertial> |
Thu 10 Aug 2017 12:56:55 AM UTC, original submission:
I have a system that uses com3 "ttyS2" (0x3E8, irq 5) for console redirection, and when trying to boot DOS from (Hard drive or image) over IPMI, nothing is being to return to the IPMI and is being sent to console.
|
Justin <evildesign> |
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Corresponding source code
Judging from the documentation I can find, all IPMI serial-over-LAN does is redirect serial port traffic to a network connection. This functionality doesn't seem include capturing writes to video memory, whether directly or via BIOS calls: the OS/bootloader has to be specifically configured to actually use the virtual serial port instead of the screen and keyboard. I figure this is true of DOS as well.
Does putting
in AUTOEXEC.BAT help? If yes, this doesn't look like a problem with GRUB.