On Tue, 11 Apr 2017, Martin Steigerwald wrote:
> I do have a Crucial M500 and I do have an increase of that counter:
>
> martin@merkaba:~[…]/Crucial-M500> grep "^174" smartctl-a-201*
> smartctl-a-2014-03-05.txt:174 Unexpect_Power_Loss_Ct 0x0032 100 100
> 000
> Old_age Always
On Mon, 10 Apr 2017, James Bottomley wrote:
> On Tue, 2017-04-11 at 08:52 +0900, Tejun Heo wrote:
> [...]
> > > Any comments? Any clues on how to make the delay "smarter" to
> > > trigger only once during platform shutdown, but still trigger per
> > > -device when doing per-device hotswapping ?
>
On Tue, 11 Apr 2017, Tejun Heo wrote:
> > The kernel then continues the shutdown path while the SSD is still
> > preparing itself to be powered off, and it becomes a race. When the
> > kernel + firmware wins, platform power is cut before the SSD has
> > finished (i.e. the SSD is subject to an uncl
On Mon, 10 Apr 2017, Bart Van Assche wrote:
> On Mon, 2017-04-10 at 20:21 -0300, Henrique de Moraes Holschuh wrote:
> > A proof of concept patch is attached
>
> Thank you for the very detailed write-up. Sorry but no patch was attached
> to the e-mail I received from you ...
Author: Henrique de Moraes Holschuh
Date: Wed Feb 1 20:42:02 2017 -0200
sd: wait for slow devices on shutdown path
Wait 1s during suspend/shutdown for the device to settle after
we issue the STOP command.
Otherwise we race ATA SSDs to powerdown, possibly causing
Summary:
Linux properly issues the SSD prepare-to-poweroff command to SATA SSDs,
but it does not wait for long enough to ensure the SSD has carried it
through.
This causes a race between the platform power-off path, and the SSD
device. When the SSD loses the race, its power is cut while it is st
On Mon, 12 Sep 2016, Jason A. Donenfeld wrote:
> I was wondering if it'd be possible to have the uas driver -- or
> perhaps somewhere else in the stack -- fall back to using
> ATA-passthrough-TRIM for UNMAP, so that discard can work properly.
> AFAIK, the Windows drivers do exactly this.
>
> If th
On Tue, 12 Jun 2007, Matthew Garrett wrote:
> On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
> > On Tue, 12 Jun 2007, Matthew Garrett wrote:
> > >
> > > On laptops, I suspect that we'll probably get an ACPI interrupt even if
>
On Tue, 12 Jun 2007, Matthew Garrett wrote:
> On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
> > that's a temporary shortcoming; even with these power savings you can
> > do hotplug as long as you're willing to poll for it at a reasonable
> > interval and are willing to wait th
On Mon, 11 Jun 2007, Jeff Garzik wrote:
> >>on/off doesn't really make sense if the question is "do you favor power
> >>or do you favor performance"...
Actually, it does if you think of it as "do you need hotplug right now or
not?".
> >How about just making it a numeric scale with 0 meaning n
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
> Setting Effect
> --
> min_power ALPM is enabled, and link set to enter
> lowest power state (SLUMBER) when idle
> Hot plug not allowed.
>
> m
On Thu, 22 Mar 2007, Vladislav Bolkhovitin wrote:
> Seems, there is another way of doing a bank spin up / spin down: doing
> it in two passes. On the first pass START_STOP will be issued with
> IMMED=1 on all devices, then on the second pass START_STOP will be
> issued with IMMED=0. So the devic
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