GNU GRUB - Bugs: bug #56217, Grub2 Booting in blind mode due to...
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bug #56217: Grub2 Booting in blind mode due to "invalid video mode specification `text'"
Submitter: | Dexuan Cui <decui> | ||
Submitted: | Thu 25 Apr 2019 08:17:16 PM UTC | ||
Category: | Booting | Severity: | Major |
Priority: | 5 - Normal | Item Group: | Software Error |
Status: | None | Privacy: | Public |
Assigned to: | None | Originator Name: | |
Open/Closed: | Open | Release: | Git master |
Release: | Reproducibility: | Every Time | |
Planned Release: | None |
Fri 26 Apr 2019 06:30:31 PM UTC, comment #3: |
Dexuan Cui <decui> |
Thu 25 Apr 2019 09:16:34 PM UTC, comment #2: Attached the patch; thanks Dexuan for pointing out that I need to do a better job upstreaming them ;) |
Mathieu Trudel <cyphermox> |
Thu 25 Apr 2019 08:29:22 PM UTC, comment #1: FYI: this is the bug link for Ubuntu 16.04 and 14.04:
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Dexuan Cui <decui> |
Thu 25 Apr 2019 08:17:16 PM UTC, original submission:
In a Ubuntu 16.04.6 VM, which runs as a Gen2 VM on Hyper-V, I add GRUB_GFXPAYLOAD_LINUX="text" into /etc/default/grub and run update-grub; next, grub2 prints the below error:
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Dexuan Cui <decui> |
Depends on the following items: None found
Items that depend on this one: None found
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Follows 1 latest change.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2019-04-25 | cyphermox | Attached File | - | Added skip_text_gfxpayload_where_not_supported.patch, #46830 |
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Corresponding source code
BTW, the bug only affects a UEFI platform.
In the case of legacy BIOS platform, grub is able to support text mode and we don't see the "error: invalid video mode specification `text'. Booting in blind mode" message, though in this case grub also passes a zero of "lfb_base" to Linux kernel.