Messages in this thread | | | Date | Wed, 16 May 2007 08:47:29 -0400 | From | Stephen Clark <> | Subject | Re: Weird hard disk noise on shutdown (bug #7674) |
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Rob Landley wrote:
>On Tuesday 15 May 2007 5:08 pm, Dave Jones wrote: > > >>On Mon, May 14, 2007 at 07:32:43PM +0200, Tejun Heo wrote: >> > Francesco Pretto wrote: >> > > 2007/5/4, Tejun Heo <htejun@gmail.com>: >> > >> Yeap, the third iteration of the patch just got submitted. >> > >> >> > >> http://thread.gmane.org/gmane.linux.ide/18485 >> > >> >> > >> Unfortunately, there doesn't seem to be an easy way out. We'll need >> > >> userland shutdown(8) update. >> > >> >> > >> -- >> > >> tejun >> > >> >> > > >> > > Ok, i can't understand if the patch will be included in 2.6.22 (i >> > > didn't see it in the Andrew Morton merge plan). However, if you can >> > > confirm the inclusion, i can send bug reports for ubuntu and gentoo. I >> > > can even send an email to Miquel van Smoorenburg, who should be the >> > > mainstream sysvinit developer (and probably the last maintainer). >> > >> > Okay, the patch made upstream and webpage posted. >> > >> > http://linux-ata.org/shutdown.html >> >>There's a typo.. >> >>"Check whether /sys/modules/libata/parameters/spindown_compat exists. If it >> >> >does, write 0 to it." > > >>should be /sys/module/libata/parameters/spindown_compat >> >>(no 's' after module) >> >> > >Um, hang on. So libata can't reliably turn the system off without data loss >and potential damage to hardware unless userspace goes through a special song >and dance? And this is _not_ considered a defect in the kernel? > >Why? > >(Is there any other piece of hardware that needs userspace to quiesce it just >so the _off_switch_ can take effect? Yes, I read both the gmane thread and >the linux-ata.org link. I used to maintain the busybox halt/reboot/poweroff >commands, although I don't anymore. That just called reboot(), and this >worked.) > >Why on _earth_ does complicating software suspend add extra requirements to >actual shutdown? Since when does the shutdown command have to enumerate >attached block devices? If anything this would belong in umount -a, but that >doesn't care about the hardware of the underlying block devices and >SHOULDN'T... > >I'm confused. Could someone please explain? > >Rob >- >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/ > > > I agree. This didn't happen when I was just using the ide driver, why can't libata work as well as the old ide driver.
My $.02 Steve
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