https://github.com/intel/Intel-Linux-Processor-Microcode-Data-
Files/issues/33
** Bug watch added:
github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues #33
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues/33
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sig=0x806eb, revision=0xc6 was released in 20191112, and revision=0xd6
is in 20200609 release. There was also an rev 0x00ca on 20191115.
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https://bugs.launchpad.net/bugs/1880663
Title:
** Also affects: intel-microcode (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: grub2 (Ubuntu Bionic)
** No longer affects: grub2 (Ubuntu)
** No longer affects: linux-oem (Ubuntu)
** Also affects: intel-microcode (Ubuntu Focal)
Importance: Undecided
After restore OS to factory state and directly update intel-microcode by
"apt install intel-microcode", then will meet this issue.
this should be the intel-microcode issue.
the info of intel-microcode,
before update,
[1.131499] microcode: sig=0x806eb, pf=0x80, revision=0xc6
[1.132064]
After restore OS to factory state and directly update to latest kernel
with "apt install linux-oem", it will not hang. It seems not the kernel
issue. May upgrade certain package that cause the issue.
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** Changed in: grub2 (Ubuntu)
Status: New => Incomplete
** Changed in: grub2 (Ubuntu Bionic)
Status: New => Incomplete
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Title:
Readding linux-oem
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
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Title:
Dell Latitude 7300 sometimes stuck
Update kernel to 4.15.1081-oem with "apt upgrade" and it got fail to
reboot.
>From above testings, I think we should bisect kernel to see which kernel
patch cause the issue.
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Update grub2 to latest one (2.02-2ubuntu8.15), keep kernel
version(4.15.0-1037-oem) and test more that 10 times, it worked fine.
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Title:
Dell
After restore OS to factory state(kernel 4.15.0-1037-oem, gub2
2.02-2ubuntu8.12), tested with more that 30 times, it worked fine.
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Title:
Dell
** Tags added: id-5ecf35637f8cf2871c6797bb
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Title:
Dell Latitude 7300 sometimes stuck at purple screen after grub and
fails to boot up
To
Final grub output with
set debug=all
** Attachment added: "IMG_20200528_153352.jpg"
https://bugs.launchpad.net/oem-priority/+bug/1880663/+attachment/5377738/+files/IMG_20200528_153352.jpg
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1. sudo apt update
2. sudo apt upgrade # to revert all what downgraded packages
3. do reboot test(battery mode) (3/10)
failed at 2nd, 7th, 9th trial (4.15.0-1081-oem)
4. do reboot test, again(ac mode) (4/10)
failed at 2nd, 4th, 7th, 10th trial (4.15.0-1081-oem)
5. sudo apt install
** Package changed: grub (Ubuntu) => grub2 (Ubuntu)
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Title:
Dell Latitude 7300 sometimes stuck at purple screen after grub and
fails to boot
** Also affects: grub (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-oem (Ubuntu)
** No longer affects: linux-oem (Ubuntu Bionic)
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** Also affects: oem-priority
Importance: Undecided
Status: New
** Changed in: oem-priority
Importance: Undecided => Medium
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Title:
It's a grub issue.
After downgraded grub(2.02-2ubuntu8.15 -> 2.02-2ubuntu8) and
shim(15+1533136590.3beb971-0ubuntu1 -> 13-0ubuntu2), can't reproduce this issue
4.15.0-1081-oem (0/10)
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Reproduce this issue on 4.15.0-20-generic kernel.
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Title:
Dell Latitude 7300 sometimes stuck at purple screen after grub and
fails to boot up
Reproduce this issue on 4.15.0-1079-oem kernel and also on 4.15.0-101
Ubuntu kernel.
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Title:
Dell Latitude 7300 sometimes stuck at purple screen
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