From: Lan Tianyu <lantianyu1986@gmail.com>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Linux-pm mailing list <linux-pm@vger.kernel.org>
Subject: Re: Question about runtime pm status issue
Date: Mon, 29 Oct 2012 22:43:06 +0800 [thread overview]
Message-ID: <508E95FA.5070906@gmail.com> (raw)
In-Reply-To: <CACVXFVMZi7_uSsL0_0Sc=Nmkc4OMwogtiRB3v=uJY2LF1UYS3A@mail.gmail.com>
于 2012/10/29 22:20, Ming Lei 写道:
> On Mon, Oct 29, 2012 at 9:46 PM, Lan Tianyu <lantianyu1986@gmail.com> wrote:
>> hi Rafael, Alan:
>> I recently meet a problem that I enable a usb disk's runtime auto autosuspend,
>> set power/autosuspend_delay_ms to be 100 and make its usage_count to be 0. But after
>> a long time, the disk's runtime status always is active. From my view, the
>> disk's status
>> should be "suspend" after the usage_count being 0 and delay timeout. If my
>> opinion was
>> wrong, please corrent me. Thanks.
>
> Please try to umount the disk to see if it can be auto suspended.
>
I have umount the disk and there is no user of the device since its usage_count
become zero.
>
> Thanks,
>
--
Best regards
Tianyu Lan
next prev parent reply other threads:[~2012-10-29 14:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-29 13:46 Question about runtime pm status issue Lan Tianyu
2012-10-29 14:20 ` Ming Lei
2012-10-29 14:43 ` Lan Tianyu [this message]
2012-10-29 14:50 ` Ming Lei
2012-10-29 14:52 ` Lan Tianyu
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