I am sorry that I wasted your time, I have solved a problem with
pci=nomsi. Now system boots without acpi=off and everything seems fine,
with latest kernel, and also with previous.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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And I can also confirm that it is working on previous kernel, I have
tried with 5.4.0.26, because that is only option that I can choose (boot
Advanced mode). Working without acpi=off, also I can turn off and
restart PC successfully.
** Changed in: linux (Ubuntu)
Status: Incomplete =>
With "initcall_debug earlycon=efifb" and without acpi=off this is what happens:
It boots up to user login screen, everything seems to be ok, but when you enter
password empty screen is shown and nothing happens. Image before login screen
attached.
** Attachment added: "Booting with
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385511/+files/CRDA.txt
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https://bugs.launchpad.net/bugs/1884351
apport information
** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385515/+files/Lspci-vt.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385522/+files/ProcModules.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385518/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385514/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1884351
apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385523/+files/PulseList.txt
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apport information
** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385516/+files/Lsusb-t.txt
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apport information
** Attachment added: "Lsusb-v.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385517/+files/Lsusb-v.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385512/+files/CurrentDmesg.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385524/+files/RfKill.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385513/+files/IwConfig.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385526/+files/WifiSyslog.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385520/+files/ProcEnviron.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385525/+files/UdevDb.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385521/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1884351/+attachment/5385519/+files/ProcCpuinfoMinimal.txt
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apport information
** Tags added: apport-collected focal
** Description changed:
Short: Ubuntu 20.04, kernel:
Ubuntu 5.4.0-37.41-generic 5.4.41 wont boot unless acpi=off. Asus K550V
laptop, NVidia 950m
Long: Ubuntu 20.04 wont boot unless acpi=off is specified. Tried with
nolapic,
Public bug reported:
Short: Ubuntu 20.04, kernel:
Ubuntu 5.4.0-37.41-generic 5.4.41 wont boot unless acpi=off. Asus K550V laptop,
NVidia 950m
Long: Ubuntu 20.04 wont boot unless acpi=off is specified. Tried with
nolapic, noapic, acpi_osi=Linux, acpi=ht, pci=noacpi, acpi=noirq, pnpacpi=off,
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