This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1996092
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1996092
Title:
Macbook boots with linux-image-4.15.0-192-generic (4.15.0-192.203) but
freezes with newer kernels (4.15.0-193.204,4.15.0-194.205,
4.15.0-196.207)
Status in linux package in Ubuntu:
Incomplete
Bug description:
I have old MacBook with broken main Graphic Controller
(a well-known hardware issue https://discussions.apple.com/thread/251049873 ).
So I switch to use Integrated Graphics Controller.
I am using Ubuntu 18.04.6 LTS and after an 'apt update' laptop doesn't boot
(freeze during boot).
I looked for latest updated packages and I found:
linux-image-4.15.0-192-generic 4.15.0-192.203 amd64
=>
linux-image-4.15.0-193-generic 4.15.0-193.204 amd64
So, MacBook boots linux-image-4.15.0-192-generic correctly, but it
doesn't boot with newer kernels (4.15.0-193.204,4.15.0-194.205,
4.15.0-196.207)
I could not find which change is included in newer kernels that did
this issue.
How could I support about this issue?
PD:
Added bellow some additional information and attached 'lspci-vnvn.log' file
----------------
$ sudo lshw
macbookpro
description: Notebook
product: MacBookPro8,2 (System SKU#)
vendor: Apple Inc.
...
----------------
lspci-vnvn.log
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation
Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09)
(prog-if 00 [VGA controller])
Subsystem: Apple Inc. 2nd Generation Core Processor Family Integrated
Graphics Controller [106b:00dc]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
----------------
$ lsb_release -rd
Description: Ubuntu 18.04.6 LTS
Release: 18.04
----------------
$ cat /proc/version
Linux version 4.15.0-192-generic (buildd@lcy02-amd64-029) (gcc version 7.5.0
(Ubuntu 7.5.0-3ubuntu1~18.04)) #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022
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