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[Lcdproc] lcdproc v0.5.3 - ConnectionType=ftdi not being recognized


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  • From: santanu at hep.phy.cam.ac.uk (Santanu Das)
  • Subject: [Lcdproc] lcdproc v0.5.3 - ConnectionType=ftdi not being recognized
  • Date: Thu, 21 Oct 2010 19:59:41 +0100

Hi guys,

There are some more info in the dmesg:

[ 112.173984] LCDd[1394]: segfault at 0 ip 00007f379727b5a7 sp
00007fffa23dc530 error 4 in libusb-0.1.so.4.4.4[7f3797278000+7000]
[ 182.133830] LCDd[1401]: segfault at 0 ip 00007f24db2eb5a7 sp
00007fff328b9f90 error 4 in libusb-0.1.so.4.4.4[7f24db2e8000+7000]
[ 200.743837] LCDd[1405]: segfault at 0 ip 00007f7ac3ea25a7 sp
00007fffce7424e0 error 4 in libusb-0.1.so.4.4.4[7f7ac3e9f000+7000]
[ 220.964619] LCDd[1408]: segfault at 0 ip 00007f71669c55a7 sp
00007fff10a8b410 error 4 in libusb-0.1.so.4.4.4[7f71669c2000+7000]
[ 280.104231] LCDd[1410]: segfault at 0 ip 00007f30087ab5a7 sp
00007fffc7ce7180 error 4 in libusb-0.1.so.4.4.4[7f30087a8000+7000]
[ 4275.263767] LCDd[1537]: segfault at 0 ip 00007f49ac5aa5a7 sp
00007fff4fc1f4d0 error 4 in libusb-0.1.so.4.4.4[7f49ac5a7000+7000]


does it help debugging at all? Can anyone please help?

cheers,
Santanu


On 21/10/2010 12:39, Santanu Das wrote:
> Okay Markus,
>
> A little bit of development: After recompiling (once again), now I see
> that ftdi connection type is being used by I get "Segmentation fault"
> in the end::q


> root at htpc:/usr/local/etc# date&& LCDd -f -r 5 -s 0
> Thu Oct 21 12:34:53 BST 2010
> LCDd version 0.5.3 starting
> Built on Oct 21 2010, protocol version 0.3, API version 0.5
> Using Configuration File: /usr/local/etc/LCDd.conf
> Set report level to 5, output to stderr
> LCDd 0.5.3, LCDproc Protocol 0.3
> Part of the LCDproc suite
> Copyright (C) 1998-2009 William Ferrell, Scott Scriven
> and many other contributors
>
> [ ..... ]
>
> Server running in foreground
> Listening for queries on 127.0.0.1:13666
> screenlist_init()
> driver_load(name="hd44780",
> filename="/usr/local/lib/lcdproc/hd44780.so")
> HD44780: using ConnectionType: ftdi
> HD44780: Matrix key 3 0: "Enter"
> HD44780: Matrix key 3 1: "Up"
> HD44780: Matrix key 3 2: "Down"
> HD44780: Matrix key 3 3: "Escape"
> hd44780: Using hd44780_default charmap
> Segmentation fault
>
>
>
>
> Cheers,
> Santanu
>
>
> On 21/10/10 11:53, Santanu Das wrote:
>> On 21/10/10 06:31, Markus Dolze wrote:
>>>
>>>
>>> The FTDI connection type requires the use of libusb and libftdi.
>>> Lcdproc must be compiled with these installed to be able to make use
>>> of them.
>>
>> Forgot to mentioned that I do have those packages installed:
>>
>> root at htpc:/usr/local/etc# dpkg --list | egrep 'libusb|libft'
>> ii libftdi-dev 0.17-1
>> Development files for libftdi
>> ii libftdi1 0.17-1
>> Library to control and program the FTDI
>> USB controller
>> ii libusb-0.1-4
>> 2:0.1.12-14ubuntu0.2 userspace USB
>> programming library
>> ii libusb-dev
>> 2:0.1.12-14ubuntu0.2 userspace USB
>> programming library development files
>>
>>
>>
>> and Lcdproc is complied with these packages installed. Is there
>> anything still missing?
>>
>> Cheers,
>> Santanu
>>
>>
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>> LCDproc at lists.omnipotent.net
>> http://lists.omnipotent.net/mailman/listinfo/lcdproc
>>
>
>
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