Hi Reindl, thanks for the answer. I've tried to make some hardware changes. I've ridden my mobo irq configuration from manual, and changed vga card and nic modo allocation. The problem persist, but now I get for IRQ 19. What's that cause (a condition, an error...) IRQ disabling? Thanks in advance. Il 19/05/2014 15:24, Reindl Harald ha scritto: > > Am 19.05.2014 15:20, schrieb Alessandro Baggi: >> Hi list, >> I've a problem with my system on CentOS 6.5 x86_64 on a workstation. >> >> During utilizzation, after several hours after boot (6/7 hours) I get an >> error: >> >> Disabling IRQ #16 > > that is a well known problem > > https://bugzilla.redhat.com/show_bug.cgi?id=1013054 > https://www.google.at/search?q=+irq+16%3A+nobody+cared >