From: Larry Finger <larry.finger@lwfinger.net>
To: Michael Buesch <mb@bu3sch.de>
Cc: wireless <linux-wireless@vger.kernel.org>,
Broadcom Linux <bcm43xx-dev@lists.berlios.de>
Subject: Re: Problem with USB1.1 Host cores with the mb tree for bcm43xx_mac80211
Date: Wed, 07 Mar 2007 16:56:05 -0600 [thread overview]
Message-ID: <45EF4305.5060606@lwfinger.net> (raw)
In-Reply-To: <200703072328.06195.mb@bu3sch.de>
Michael Buesch wrote:
> On Wednesday 07 March 2007 21:27, Larry Finger wrote:
>> If you have a BCM4311 and are seeing an oops that looks like this when loading bcm43xx_mac80211:
>>
>> ssb: Switching to ChipCommon core, index 0
>> ssb: Switching to PCI-E core, index 3
>> ssb: Switching to USB 1.1 Host core, index 2
>>
>> Unable to handle kernel NULL pointer dereference at 00000000000002d0 RIP:
>> [<ffffffff8812fcfd>] :usbcore:usb_create_hcd+0x3b/0xe8
>> PGD 3e792067 PUD 3ed66067 PMD 0
>> Oops: 0002 [1] SMP
>> ...
>>
>> there is a temporary, unofficial patch at
>> ftp://lwfinger.dynalias.org/patches/mac80211_usb_problem.patch. Although it works, it attacks the
>> symptom, not the cause, and will never be adopted into the code. Once a proper fix is applied, it
>> will no longer be needed.
>
> A patch to disable the USB core on non-embedded devices is in my tree now.
> The actual bug is still there, but nobody (except OpenWRT developers ;) )
> should be able to hit it anymore now. :)
Your patch works here. Thanks,
Larry
next prev parent reply other threads:[~2007-03-07 22:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-07 20:27 Problem with USB1.1 Host cores with the mb tree for bcm43xx_mac80211 Larry Finger
2007-03-07 22:28 ` Michael Buesch
2007-03-07 22:56 ` Larry Finger [this message]
2007-03-08 7:56 ` Yanbo Li
2007-03-08 13:18 ` Michael Buesch
2007-03-09 2:24 ` Yanbo Li
2007-03-09 10:19 ` Michael Buesch
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