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Hi, > > I'm experiencing problems with suspend to RAM on my Dell D600 laptop. > > When I run Ubuntu's 2.6.10 kernel I have no problem with suspend to RAM. > > However, when I run 2.6.13, my laptop sometimes doesn't wake up. It > > seems like the longer my uptime, the more likely the problem is to occur > > (which makes it hard to reproduce sometimes). This happens even with a > > non-preempt kernel. > > Check if it works with minimal drivers and non-preemptible kernel... I checked with 1) a minimal drivers on a preempt kernel and 2) with a few more drivers (usb mouse) and a non-preempt kernel. Both didn't wake up when I suspended after a few days of uptime (right after boot, it's fine). The default Ubuntu kernel is a preempt-enabled 2.6.10 kernel and it always resumed from suspend, even with usb devices plugged in (I still had to reload the driver though). As I said, it's not trivial to test, because it takes a while before the bug occurs. Jean-Marc -- Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca> Université de Sherbrooke - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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