Re: AVerTV Volar Black HD: i2c oops in warm state on mips

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Terve Jan,

On 06/05/2009 10:52 AM, Jan Nikitenko wrote:
Hi,

I am trying to get AverMedia AVerTV Volar Black HD (A850) usb dvb-t tuner
running on mips32 little endian platform (to stream dvb-t from home
router on LAN).
[..]
DVB: registering new adapter (AverMedia AVerTV Volar Black HD (A850))

CPU 0 Unable to handle kernel paging request at virtual address

[..]

Tried two mips32 little endian platforms: Broadcom BCM3302 /asus wl500gp
router/
and alchemy au1550 with the same result.

Any ideas why this happens?

Looks like it fails when demodulator is attached - af9013_attach(). Unfortunately I am not familiar those Oops dumps or debugs :( And I don't have such hw to reproduce the problem. Is that possible that you can try to examine more and even fix problem?

Lets try first comment out all i2 read / write operations (reg_read, reg_write) from af9013_attach. Then test if any operation can be done without crash. All register operations from af9013 goes to the af9015_i2c_xfer() function. You can try to catch error from there also. I hope this helps you. Good luck! :)

regards
Antti
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