** Tags added: cscc
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Title:
Every second(?) boot fails to display anything [MSHYBRID mode]
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I have made some changes to my configuration, so it's not an entirely
clean test, but I *did* notice that I no longer needed to mess with
gfxpayload. I guess that it's fixed?
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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Is this still reproducible? We have changed the default gfx mode to stay
"text" on EFI.
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Title:
Every second(?) boot fails to display anything [M
Do you mean gpu-manager?
What's the output of "systemctl status gpu-manager"?
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Title:
Every second(?) boot fails to display anything [MSHYBRID m
Oh, it might be worth mentioning - on the boots where I wouldn't see
anything, adding the fbcon=map:1 parameter to the kernel command line
gives a usable system - the console and X¹ both come up correctly.
¹: For X there's an additional wrinkle in that the hybrid graphics
detection in gpu-detect f
I think this one is the reversed of bug #1711452.
The system I have does not display anything when gfxpayload=keep.
When using gfxpayload=text, it works normally.
IIUC, in text mode, grub will still try to iterate all available modes,
I guess that's why the issue is gone under "gfxpayload=text"?
This sounds like the same as bug #1711452.
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Title:
Every second(?) boot fails to display anything [MSHYBRID mode]
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** Package changed: grub (Ubuntu) => grub2 (Ubuntu)
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Title:
Every second(?) boot fails to display anything [MSHYBRID mode]
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Debian bug [1] is resolved by introducing a patch that has "set
gfxpayload=keep" when kernel uses config "CONFIG_FB_EFI=y".
A new feature is introduce by patch [2], to enable gfxpayload=keep
dynamically. The blacklist is in package "grub-gfxpayload-lists".
The package is depends on "grub-pc", whi
Can you attach the output of "videoinfo" under GRUB?
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Title:
Every second(?) boot fails to display anything [MSHYBRID mode]
To manage notificati
System76 here. We have also had luck with this grub flag:
GRUB_GFXPAYLOAD_LINUX=1920*1080
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Title:
Every second(?) boot fails to display anythin
You are absolutely correct; forceing “gfxmode text” appears to make
booting reliably visible.
That's a nice workaround.
I guess this is a buggy VBIOS issue, then.
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If this work, it's probably due to buggy VBIOS.
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Title:
Every second(?) boot fails to display anything [MSHYBRID mode]
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Edit the Ubuntu boot entry in Grub menu, change "gfxmode $linux_gfx_mode" to
"gfxmode text".
I think this can workaround your issue.
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Title:
Eve
Yes. In all cases, GRUB itself draws fine.
On further experimentation, it seems that it might be the case that the
boot after a *failed* boot works.
If nothing is visible and I blindly enter my cryptroot password it can
boot all the way; rebooting with ctrl-alt-delete after that seems to
result i
Is GRUB itself drawn on the screen?
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Title:
Every second(?) boot fails to display anything [MSHYBRID mode]
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.14 kernel[
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