linux-kernel - Re: USB/UPS connectivity issue on Intel DP55KG Motherboard

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Date:	Tue, 13 Oct 2009 19:56:54 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	nut-upsuser@...ts.alioth.debian.org
cc:	linux-kernel@...r.kernel.org
Subject: Re: USB/UPS connectivity issue on Intel DP55KG Motherboard



On Tue, 13 Oct 2009, Justin Piszcz wrote:

> Hello,
>
> I use the following in my ups.conf:
>
> # USB:
> [apc]
>  driver = usbhid-ups
>  port = auto
>  desc = "APC 1500VA"
>  pollfreq = 5
>
> On my new motherboard (an Intel DP55KG), every once and awhile I get this:
>
> Broadcast Message from nut@....com
>        (somewhere) at 17:48 ...
>
> Communications with UPS apc@...alhost lost
>
>
> Broadcast Message from nut@....com
>        (somewhere) at 17:48 ...
>
> Communications with UPS apc@...alhost established
>
> On my previous motherboard (a DG965WH), the exact same configuration was used
> and I never had this issue.
>
> Any hints?
>
> Should I increase the pollfreq to say 30 seconds?
>
> Would this 'workaround' the problem?
>
> Is this a known bug on this chipset?
>
> Justin.
>
>
>

More logs:

Oct 13 18:01:46 p34 upsd[7338]: Data for UPS [apc] is stale - check driver
Oct 13 18:01:46 p34 upsmon[7342]: Poll UPS [apc@...alhost] failed - Data stale
Oct 13 18:01:46 p34 upsmon[7342]: Communications with UPS apc@...alhost lost
Oct 13 18:01:50 p34 upsd[7338]: UPS [apc] data is no longer stale
Oct 13 18:01:51 p34 upsmon[7342]: Communications with UPS apc@...alhost established
Oct 13 18:02:48 p34 upsd[7338]: Data for UPS [apc] is stale - check driver
Oct 13 18:02:51 p34 upsmon[7342]: Poll UPS [apc@...alhost] failed - Data stale
Oct 13 18:02:51 p34 upsmon[7342]: Communications with UPS apc@...alhost lost
Oct 13 18:02:52 p34 upsd[7338]: UPS [apc] data is no longer stale
Oct 13 18:02:56 p34 upsmon[7342]: Communications with UPS apc@...alhost established

Justin.


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