Re: [OT] Major Clock Drift

From: Andrew Morton (
Date: Sun Feb 11 2001 - 17:29:38 EST

Alan Cox wrote:
> > Hmm, I can make it loose 30 seconds in 12 seconds. Just cat
> > /etc/termcap. Vesafb does this kind of stuff. [Yes, 3 times slower
> > clock].
> Why are interrupts being disabled for vesafb scrolling anyway ?

Console writes happen under spin_lock_irq(console_lock).

The only reason for this which I can see: the kernel
can call printk() from interrupt context.
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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:17 EST