Date: Tue, 23 Feb 2016 08:28:43 -0600 From: Larry Rosenman <ler@lerctr.org> To: Hans Petter Selasky <hps@selasky.org> Cc: freebsd-current@freebsd.org Subject: Re: new computer, strange usb messages at boot Message-ID: <be0d8f43a9a945e2400090afff4f07bc@thebighonker.lerctr.org> In-Reply-To: <56CAB468.4070201@selasky.org> References: <20160220051951.GA47875@lrosenman-dell.lerctr.org> <20160220120401.GA91220@kib.kiev.ua> <20160220122416.GA1026@lrosenman-dell.lerctr.org> <2575cfd714188f7ffbc873cb5d87cc97@thebighonker.lerctr.org> <56CAB468.4070201@selasky.org>
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On 2016-02-22 01:10, Hans Petter Selasky wrote:
> On 02/21/16 17:28, Larry Rosenman wrote:
>> Does this mean that the touch screen is hitting a limit in FreeBSD's
>> driver?
>
> Yes, the hid driver is limiting the range of some report. This should
> be harmless. You would need to dump the HID descriptor to see the
> limits. Maybe we could raise the limit from 256 to 4096 or something
> in that range, to make the warning to away. It's
>
> sys/dev/usb/usb_hid.c:
>
>> /* range check usage count */
>> if (c->loc.count > 255) {
>> DPRINTFN(0, "Number of
>> "
>> "items truncated
>> to 255\n");
>> s->ncount = 255;
>> } else
>> s->ncount =
>> c->loc.count;
>>
>
> Try adding c->loc.count to the printout, to see the limit it is
> exceeding.
>
> --HPS
hid_get_item: Number of items truncated to 255 (was 256)
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 E-Mail: ler@lerctr.org
US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961
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