On 9/15/07, ポール・ロラン Paul Rolland <[email protected]> wrote:
> Hello,
>
> Each time I add the support for this piece of hardware, I have a crash during
> the boot process.
> Serial console gives the attached boot message...
>
...
> WARNING: at lib/kref.c:33 kref_get()
> Call Trace:
> [<ffffffff8121fa41>] kref_get+0x2f/0x36
> [<ffffffff8121ec3f>] kobject_get+0x12/0x17
> [<ffffffff8121edad>] kobject_shadow_add+0x7f/0x1a2
> [<ffffffff812beaa4>] device_add+0xb7/0x631
> [<ffffffff81040607>] msleep+0x14/0x1e
> [<ffffffff8149f95f>] wiphy_register+0x29/0x80
> [<ffffffff814a4a9b>] ieee80211_register_hw+0x11/0x208
> [<ffffffff812e1a64>] rtl8187_probe+0x544/0x624
I had this problem as well. It has to do with mac80211, cfg80211 and
the rate control algorithm not initializing early enough in the boot
process. These two patches should fix it:
[PATCH] mac80211: fix initialisation when built-in
http://article.gmane.org/gmane.linux.kernel.wireless.general/5710/match=patch+mac80211+initialisation
[PATCH] cfg80211: fix initialisation if built-in
http://article.gmane.org/gmane.linux.network/71326/match=patch+cfg80211+initialisation
Regards,
Rob
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