Hi Vince,
On 05/03/2015 09:14 AM, Vincent McIntyre wrote:
> Hi
>
> I am trying to load the cx23885 module. It fails to load and I get this in
> dmesg;
>
> [ 433.506983] videobuf2_dma_sg: Unknown symbol dma_buf_export (err 0)
>
> I wrote a small script to load each of the dependencies one at a time,
> which shows pretty clearly the problem is videobuf2-dma-sg.ko.
>
> I am up to date with the media_tree:
> $ git log |head
> commit 59366d3bbae4f67ae3b3a32696faa0798cef1b67
> Author: Hans Verkuil <[email protected]>
> Date: Sat May 2 10:41:49 2015 +0200
>
> v4l/compat.h: fix compiler warning
>
> In file included from <command-line>:0:0:
> v4l/compat.h:1605:11: warning: 'struct device_node' declared inside
> parameter list
> u64 *out_values, size_t sz)
> ^
>
> Can anyone point out how to fix this?
> What other information would be useful?
Try again, I've hopefully fixed this problem. You need to do a git pull from the
media_build.git repo and that should solve it.
Let me know if you run into problems.
Regards,
Hans
> Cheers
> Vince
>
> System details
>
> $ uname -a
> Linux ubuntu 3.13.0-51-generic #84-Ubuntu SMP Wed Apr 15 12:11:46 UTC 2015
> i686 i686 i686 GNU/Linux
>
> $ sudo sh load.sh
> videobuf2_core 3
> videodev 2
> rc_core 1
> altera_ci 0
> modprobe -v altera_ci
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/media/pci/cx23885/altera-ci.ko
> v4l2_common 2
> snd_pcm 4
> snd 17
> tveeprom 0
> modprobe -v tveeprom
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/media/common/tveeprom.ko
> cx2341x 0
> modprobe -v cx2341x
> insmod /lib/modules/3.13.0-51-generic/kernel/drivers/media/common/cx2341x.ko
> videobuf2_dma_sg 0
> modprobe -v videobuf2_dma_sg
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/media/v4l2-core/videobuf2-dma-sg.ko
> modprobe: ERROR: could not insert 'videobuf2_dma_sg': Unknown symbol in
> module, or unknown parameter (see dmesg)
> videobuf2_dvb 0
> modprobe -v videobuf2_dvb
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/media/v4l2-core/videobuf2-dvb.ko
> dvb_core 2
> tda18271 0
> modprobe -v tda18271
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/media/tuners/tda18271.ko
> altera_stapl 0
> modprobe -v altera_stapl
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/misc/altera-stapl/altera-stapl.ko
> cx23885 0
> modprobe -v cx23885
> insmod
> /lib/modules/3.13.0-51-generic/kernel/drivers/media/v4l2-core/videobuf2-dma-sg.ko
> modprobe: ERROR: could not insert 'cx23885': Unknown symbol in module, or
> unknown parameter (see dmesg)
>
> $ dmesg|tail
> [ 38.177893] nvidia 0000:01:00.0: irq 43 for MSI/MSI-X
> [ 39.350957] init: plymouth-upstart-bridge main process ended, respawning
> [ 39.390535] init: plymouth-upstart-bridge main process (1381) terminated
> with status 1
> [ 39.390563] init: plymouth-upstart-bridge main process ended, respawning
> [ 56.994291] audit_printk_skb: 123 callbacks suppressed
> [ 56.994298] type=1400 audit(1430633192.185:74): apparmor="STATUS"
> operation="profile_replace" profile="unconfined"
> name="/usr/lib/cups/backend/cups-pdf" pid=2295 comm="apparmor_parser"
> [ 56.994310] type=1400 audit(1430633192.185:75): apparmor="STATUS"
> operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd"
> pid=2295 comm="apparmor_parser"
> [ 56.994991] type=1400 audit(1430633192.185:76): apparmor="STATUS"
> operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd"
> pid=2295 comm="apparmor_parser"
> [ 122.119702] videobuf2_dma_sg: Unknown symbol dma_buf_export (err 0)
> [ 122.243021] videobuf2_dma_sg: Unknown symbol dma_buf_export (err 0)
>
>
>
> $ cat load.sh
> #!/bin/sh
> for m in videobuf2_core videodev rc_core altera_ci v4l2_common snd_pcm snd
> tveeprom cx2341x videobuf2_dma_sg videobuf2_dvb dvb_core tda18271
> altera_stapl cx23885
> do
> n=`lsmod|grep -F $m -c`
> echo $m $n
> [ $n -eq 0 ] || continue
> echo modprobe -v $m
> modprobe -v $m
> done
>
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