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 <hans.verkuil@xxxxxxxxx> > 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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html