Glad to hear there is a solution. I wonder if we can find a way to make
owfs handle USB problems more gracefully.
A description of getting owfs working on an embedded platform like the
WR703N would be great.
Paul
On Fri, Sep 5, 2014 at 6:23 AM, Colin Law <clan...@gmail.com> wrote:
> Thanks for the suggestions, after a nights sleep and some more
> experiments it seems that it is an issue with the USB hardware in the
> 703. If I use a non-powered usb hub between the router and the
> LinkUSB then all seems well (at least it has been running for a couple
> of hours without failure whereas without the hub it fails within a few
> minutes). I have seen suggestions that the usb hardware can be a
> problem with USB1 devices and that an intervening hub fixes it, but I
> had not heard of a problem with a USB2 device.
>
> I will report back for the record when I am convinced whether this is
> a complete solution.
>
> I will also document how to get owfs and openWRT running on the
> router, I presume that would be considered useful for inclusion in the
> wiki.
>
> Cheers
>
> Colin
>
> On 5 September 2014 01:03, paul.alfille <paul.alfi...@gmail.com> wrote:
> > Same version? The possible differences are version, endian status, usb
> > hardware support, and c library.
> >
> >
> > Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone
> >
> >
> > -------- Original message --------
> > From: Colin Law
> > Date:09/04/2014 4:25 PM (GMT-05:00)
> > To: "OWFS (One-wire file system) discussion and help"
> > Subject: [Owfs-developers] Owserver hang on TPLink WR703N with OpenWRT
> >
> > Hi
> >
> > I have put OpenWRT (AA) on a TPLink WR703N and installed owserver from
> > the openwrt repository (owserver version 2.8p13-1) with remarkably few
> > problems. Using a LinkUSB all seems well initially. Unfortunately
> > after a few minutes operation owserver hangs. Running with log level
> > 9 the log contains:
> > ....
> > CALL: ow_parsename.c:FS_ParsedName_anywhere(95)
> > path=[/28.601DE1020000/temperature12]
> > DEBUG: ow_cache.c:Cache_Get_Device(927) Looking for device 28 60 1D
> > E1 02 00 00 C4
> > DEBUG: ow_cache.c:Cache_Get_Common(1083) Search in cache sn 28 60 1D
> > E1 02 00 00 C4 pointer=0x77c8f900 index=0 size=4
> > DEBUG: ow_cache.c:Cache_Get_Common(1099) Value found in cache.
> > Remaining life: 4 seconds.
> > DEBUG: ow_presence.c:CheckPresence(76) Found device on bus 0
> > DEBUG: ow_read.c:adjust_file_size(329) file_length=12 offset=0 size=1
> > DEBUG: ow_cache.c:Cache_Get_Common(1083) Search in cache sn 28 60 1D
> > E1 02 00 00 C4 pointer=0x77c79130 index=0 size=8
> > DEBUG: ow_cache.c:Cache_Get_Common(1115) Value found in cache, but
> > expired by 99 seconds.
> > DEBUG: ow_cache.c:Cache_Get_Simul_Time(986) Looking for conversion
> > time 28 60 1D E1 02 00 00 C4
> > DEBUG: ow_cache.c:Cache_Get_Common(1083) Search in cache sn 00 00 00
> > 00 00 00 00 00 pointer=0x77c8f8f8 index=0 size=0
> > DEBUG: ow_cache.c:Cache_Get_Common(1119) Value not found in cache
> > DEBUG: ow_cache.c:Cache_Get_Internal(956) 28 60 1D E1 02 00 00 C4
> size=4
> > DEBUG: ow_cache.c:Cache_Get_Common(1083) Search in cache sn 28 60 1D
> > E1 02 00 00 C4 pointer=0x77c78290 index=-2 size=4
> > DEBUG: ow_cache.c:Cache_Get_Common(1119) Value not found in cache
> > DEBUG: ow_select.c:BUS_select(66) Selecting a path (and device)
> > path=/28.601DE1020000/temperature12 SN=28 60 1D E1 02 00 00 C4 last
> > path=00 00 00 00 00 00 00 00
> > DEBUG: ow_select.c:BUS_select(79) Continuing root branch
> > DEBUG: loop.c:Ping_or_Send(112) Taking too long, send a keep-alive
> pulse
> > DEBUG: to_client.c:ToClient(56) payload=-1 size=0, ret=0, sg=0x0
> offset=0
> > DEBUG: to_client.c:ToClient(63) Send delay message
> > DEBUG: loop.c:Ping_or_Send(112) Taking too long, send a keep-alive
> pulse
> > DEBUG: to_client.c:ToClient(56) payload=-1 size=0, ret=0, sg=0x0
> offset=0
> > DEBUG: to_client.c:ToClient(63) Send delay message
> > DEBUG: loop.c:Ping_or_Send(112) Taking too long, send a keep-alive
> pulse
> > DEBUG: to_client.c:ToClient(56) payload=-1 size=0, ret=0, sg=0x0
> offset=0
> > DEBUG: to_client.c:ToClient(63) Send delay message
> > ... ad infinitum (or at least ad nauseam).
> >
> > It fails on two different 1-wire networks and two LinkUSB adaptors,
> > one of which has been running with owserver on a Sheeva Plug for
> > several years.
> >
> > Any suggestions gratefully accepted.
> >
> > Colin
> >
> >
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> >
> >
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>
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