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Re: Fwd: Re: TP-Link 8200ND - rtl8192cu module not loading / working

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I have tried to patch my driver but it wouldn't work.
Sent only Larry a message, because I couldn't figure it out why it wouldn't work.

Only now I realized that I didn't patch the uncompressed driver itself, but this whole "package".
(Sorry when I tried it yesterday, it was already kinda late.)

I also sent him answers about the questions he asked:
- Forced module loading: I use Xubuntu with my own kernel config. (See: http://pastebin.com/MR0FHS9w) - Iwlwifi problem: I did have kernel panic with -rc4, but it's gone since -rc6.
(Though I didn't test it that thorough.)

@Xose: What does that mean for me? Am I trying the wrong driver?

By the way guys... how will the closed-source driver help with the open-source one? I mean, I'm sure it will work/load for the device. But people been complaining about it.
Thought I could help to fix it up for this specific chip.
(I curse the guy who said this will work under Linux. Argl.)

On 2013-06-26 22:25, Larry Finger wrote:
On 06/26/2013 12:29 PM, shiki.biomernok wrote:
Hello Larry/Mailing list!

I have compiled and installed the new wireless-testing kernel from git.
I'm sure I used the new kernel, as the device lighted up as soon as I plugged
in. (And I got some new atheros ac module at "make oldconfig".)
There was no need for manual echo or modprobe.

Yet, the device is not working. It dies at the very same step.
Here is the dmesg: http://pastebin.com/C1MNdFiw

Please, let me know if I can help with anything.
Any debug option, patch or things like that.

My offer is still there Larry, I'm willing to give you a full SSH access to the
machine with this stuff plugged in.
Besides that, I have no other idea.


! My router runs OpenWRT (latest stable), so I could also gather info from
there. If it's possible.
(I checked dmesg but there is nothing. Only some non-crucial info about the
generic eth ports and such.)

Thank you for the help.

(By the way if the chip is rare (no other people will benefit), then I can just get it back and ask for a refund. But if others use it as well, then it's not a
waste of time... I guess.)

I think the TP-Link 8200ND is relatively new. You have version 0x11 for your chip, and mine is 0x10. That could be a difference.

Whay are you forcing the module loading? As indicated by the (F) in the traceback, it looks as if all of them are being forced.

[ 13.111932] BUG: unable to handle kernel NULL pointer dereference at 0000000000000005 [ 13.111943] IP: [<ffffffffa03196c7>] iwl_dbgfs_register+0x27/0x70 [iwldvm]
[   13.111944] PGD 0
[   13.111945] Oops: 0000 [#1] PREEMPT SMP
[ 13.111964] Modules linked in: arc4(F) snd_hda_codec(F) snd_hwdep(F) snd_pcm(F) iwldvm(F+) snd_page_alloc(F) thinkpad_acpi(F) nvram(F) mac80211(F) snd_seq_midi(F) i915(F+) snd_seq_midi_event(F) drm_kms_helper(F) snd_rawmidi(F) drm(F) snd_seq(F) snd_timer(F) coretemp(F) snd_seq_device(F) r592(F) i2c_algo_bit(F) snd(F) iwlwifi(F) soundcore(F) tpm_tis(F) memstick(F) btusb(F) microcode(F) psmouse(F) bluetooth(F) serio_raw(F) wmi(F) cfg80211(F) video(F) lpc_ich(F) hid_generic(F) usbhid(F) hid(F) sdhci_pci(F) sdhci(F) ahci(F) libahci(F) e1000e(F) ptp(F) pps_core(F) [ 13.111967] CPU: 1 PID: 741 Comm: modprobe Tainted: GF 3.10.0-rc7-wl-x1-1000hz-wifitesting #1 [ 13.111968] Hardware name: LENOVO 208252G/208252G, BIOS 6FET92WW (3.22 ) 12/14/2011 [ 13.111969] task: ffff8801a3f5d640 ti: ffff8801a1b9e000 task.ti: ffff8801a1b9e000 [ 13.111975] RIP: 0010:[<ffffffffa03196c7>] [<ffffffffa03196c7>] iwl_dbgfs_register+0x27/0x70 [iwldvm]

To help us debug this matter, the attached patch will let you compile the vendor driver that you downloaded from the vendor site.

Larry



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