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2007/4/17, Chuck Ebbert <cebbert@redhat.com>: > Jan Engelhardt wrote: > > On Apr 15 2007 12:53, Henrique de Moraes Holschuh wrote: > >> On Sat, 14 Apr 2007, Pavel Machek wrote: > >>> How common are notebooks that cut power to disks during reboot? > >> Assuming it also does this when running Windows, I'd report it as a grave > >> bug to the vendor and demand it to be fixed, or the machine to be exchanged > >> with another model that doesn't have this defect. > > > > Given that it does not happen on Windows (IIRC Chuck's post), > > then just what is Windows [not] doing that Linux does? > > It looks like there are two problems here: > > (1) Some notebooks power off and back on when restarting. > Both Linux and other OS handle that badly because they > assume power is not interrupted on reboot. The noise > emitted is relatively loud. > I'm affected by this problem, hp nx7400 + Seagate Momentus 5400.3 160gb SATA When "drive spins down, acpi_power_off is written on the console, the drive spins up again, and 3-4 seconds later the notebook is powered off, leaving disk heads not parked I think. I've not tried any new kernel or patches. I'm using stock debian Etch kernel 2.6.18-5-686. - 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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