Hacker News new | ask | show | jobs
by rcxdude 478 days ago
Logging to a 'serial' console can stall the whole kernel, wrecking latency, and this can easily show up in VMs since a lot of them emulate a lowest-common-denominator UART inerface as the kernel console.
1 comments

I remember setting a server’s console baudrate in EFI to its higher setting improved boot times, hehe.