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 1917194
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: focal
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https://bugs.launchpad.net/bugs/1917194
Title:
[Dell G5 5590] lspci freezes computer on Ubuntu 20.04
Status in linux package in Ubuntu:
Incomplete
Bug description:
After upgrading from Ubuntu 18.04 to 20.04 my computer started to
freeze when running lspci.
I ended up noticing that it happened when trying to query device
'1f:00.0' a USB port. After some kernel and bios updates the problem
got worse. Now the computer freezes ~5 seconds after booting up.
I tried:
1) Running in recovery mode, also freezes
2) Running an older kernel version (5.4.0-66-generic), also freezes
3) Removing nvidia drivers (just in case), also freezes
4) Running all combinations nodemodeset, acpi=off an nouveau blacklisting
5) Updating all drivers
The computer freezes for ever, I can't switch TTYs, move the mouse,
anything, the only way to leave was to force shutdown. On the last
cases after switching to a tty I could see this messages before the
freeze ocurred:
kernel: xhci_hcd 0000:1f:00.0: PCI post-resume error -19!
kernel: xhci_hcd 0000:1f:00.0: HC died; cleaning up
Running Ubuntu 20.04 from a USB sticks works fine, as well as doing a fresh
install.
All logs were obtained by chrooting to the faulty partition from a fresh
install, if there are any more logs that would be helpful, let me know.
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