* GP fault in cx18 module from v4l-dvb drivers on linuxtv.org (Ubuntu 17.04)
@ 2017-08-30 0:43 Mike Atkinson
0 siblings, 0 replies; only message in thread
From: Mike Atkinson @ 2017-08-30 0:43 UTC (permalink / raw)
To: linux-media
Having a problem with a #GP fault when loading the cx18 driver from
v4l-dvb from the linuxtv.org site.
Device: Hauppauge HVR-1600 (lspci output at pastebin.com/e7G52kqQ)
(ATSC signals)
Environment: Ubuntu 17.04, kernel 4.10.0-33-generic, 64-bit
Hardware: Motherboard: Gigabyte GA-B150M-D3H (16GB RAM)
I've downloaded the v4l-dvb kernel drivers, built them, and installed
them. I was unable to use the built-in drivers as I needed the
cx18-i2c driver.
>From the stack trace included with the pastebin link above it appears
the problem is in find_ref_lock() when called from c18_probe() if that
helps immediately.
Things I've tried:
-- Remove kernel drivers/Reboot/Install v4l-dvb
drivers/build/install/modprobe
-- Do a 'make rminstall' to remove drivers and attempt
install/modprobe again
I found it interesting that even though the #GP happens and the /dev
entries are not created, the cx18 module still loads (as found with
lsmod) but no cx18-i2c was loaded.
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2017-08-30 0:43 GP fault in cx18 module from v4l-dvb drivers on linuxtv.org (Ubuntu 17.04) Mike Atkinson
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