Mailinglist Archive: opensuse-factory (517 mails)

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Re: [opensuse-factory] Problem with openSUSE 11.3 for systems with Broadcom BCM4312
  • From: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
  • Date: Sun, 11 Jul 2010 11:09:17 -0500
  • Message-id: <4C39ECAD.3020003@xxxxxxxxxxxx>
On 07/11/2010 07:37 AM, Lars Müller wrote:
On Sat, Jul 10, 2010 at 11:56:31PM -0500, Larry Finger wrote:
There is an uncorrectable problem with kernel 2.6.34 for some
Netbook computers with Broadcom BCM4313 802.11b/g wireless devices.
As this is the kernel in openSUSE 11.3, some users will be affected.
The driver problem is fixed in kernel 2.6.35; however, the fix is
too invasive to be backported to 2.6.34.

The main problem with this bug is that the system freezes with no
clue as to why it happens. It will happen for NET CD, DVD, and Live
CD media. The workaround to prevent the freeze is simple; however,
it will need to be distributed to users. What is the best way to
make this information available to users? Sample text for the
workaround follows:

Time to create

Or branch it from

I'm not sure if "to branch" is the right wording in wiki sprech.

a) Don't limit the article to netbook computers. Even other systems
using this hardware will suffer from the issue.

It seems that the particular "feature" that shows this issue is limited to Netbook motherboard design where the wireless chip is built in. If there is a separate PCIe card, then the problem does not occur.

b) Suggest the easier solutions first. Getting a 2.6.35 based kernel
for 11.3 might be the harder way for the majority of users.

Thanks for the suggestion.

The "For either of the latter two options, your wireless will break
whenever your kernel is updated." I suggest to change into a "might
break". The kernel update approach tries to circumvent this as good as
possible. Here one of the kernel dudes might jump in and point us to
the backround of the story.

I am one of the b43 dudes, in fact, I found the fix once I got my hands on a unit with the problem. Unfortunately, it was too late for 2.6.34 and too invasive for 2.6.34.Y. The only hope would be to put this patch in the openSUSE collection, but that will may not be possible.


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