What does PCI Nomsi do?

What does PCI Nomsi do?

In short nomsi disables MSI ( special way of signalling interrupts from hardware to kernel, if I’m not mistaken ) and noaer disables advanced error reporting. I doubt that advanced error reporting could cause booting problem.

How do I uninstall PCI Nomsi?

Follow these steps precisely

1. Start your system as your traditional way 🙂 Then open terminal( Ctrl + Alt + T ) and execute these commands: sudo cp /etc/default/grub /etc/default/grub.bak sudo gedit /etc/default/grub.
2. Update grub and restart your system: sudo update-grub sudo reboot.

What is quiet splash?

From Unix & Linux, on quiet splash : The splash (which eventually ends up in your /boot/grub/grub. cfg ) causes the splash screen to be shown. At the same time you want the boot process to be quiet, as otherwise all kinds of messages would disrupt that splash screen.

What is PCIe error?

The PCIe Bus Error is basically the Linux kernel reporting the hardware issue. If you have limited space for root, it could mean that your system will stuck at the black screen displaying the PCIe error message and your system won’t be able to boot.

What is PCI Express error?

PCI Express errors are classified into two types: correctable errors and uncorrectable errors. This classification is based on the impacts of those errors, which may result in degraded performance or function failure.

Which is the default mode in GRUB Legacy?

GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash” This line imports any entries to the end of the ‘linux’ line (GRUB legacy’s “kernel” line). The entries are appended to the end of the normal mode only.

Where do I find Grub cmdline in Linux?

GRUB_CMDLINE_LINUX Entries on this line are added to the end of the ‘linux’ command line (GRUB legacy’s “kernel” line) for both normal and recovery modes. It is used to pass options to the kernel. GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash” This line imports any entries to the end of the ‘linux’ line (GRUB legacy’s “kernel” line).

Why do you use the directive ” PCI ” in Grub?

I agree with you and your concern about adding the directive ” pci=nomsi,noaer ” in the grub directives to simply to suppress the reporting of errors. With serious problems, one needs to have the errors reported so we can fix them, something that won’t happen with ” pci=nomsi,noaer “, a directive designed to suppress such valuable error messages.

What causes the splash screen in boot grub?

1 Answer 1. The splash (which eventually ends up in your /boot/grub/grub.cfg ) causes the splash screen to be shown. At the same time you want the boot process to be quiet, as otherwise all kinds of messages would disrupt that splash screen.