New firewire stack not working reliably for TI TSB82AA2 PCIE adapter

Eric Shattow "Eprecocious" lucent at gmail.com
Tue Oct 12 03:55:22 UTC 2010


Please update https://bugs.launchpad.net/ubuntu/+source/linux/+bug/657081
when there is a kernel to test, and I will try it then.

On Sat, Oct 9, 2010 at 6:53 PM,  <manoj.iyer at canonical.com> wrote:
>
> I see a couple of patches that went out for the device, sometime this
> weekend I will build a kernel with those patches for you to try, I will post
> links to your bug. Lets see if that fixes the issue for you.
>
>
> Cheers
> --- manjo
>
> On Fri, 8 Oct 2010, Eric Shattow \"Eprecocious\" wrote:
>
>> Bug report is https://bugs.launchpad.net/ubuntu/+source/linux/+bug/657081
>>
>> I have tried booting with old firewire stack on 2.6.35-22-generic and
>> it is working without errors. However it is working slowly.
>>
>> sudo dd if=/dev/zero bs=4k of=/dev/sdb count=16k
>> 16384+0 records in
>> 16384+0 records out
>> 67108864 bytes (67 MB) copied, 35.1751 s, 1.9 MB/s
>>
>> If I boot the LiveCD environment I'm getting 22MB/s consistently on
>> that same connection.
>>
>> On Fri, Oct 8, 2010 at 9:18 AM,  <manoj.iyer at canonical.com> wrote:
>>>>
>>>> I have tried capturing dmesg output but the errors are too many and I
>>>> don't get a full capture of the output.
>>>>
>>>> What to do?
>>>
>>> As a work around you may want to blacklist the new modules and whitelist
>>> the
>>> old ones. /etc/modprobe.d/blacklist-firewire.conf, just reverse the
>>> comments.
>>>
>>> If reversing blacklist alone does not work you may have to rebuild your
>>> initrd, after you reverse the blacklist.
>>> $ sudo update-initramfs -k all -u
>>>
>>>>
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>>>>
>>>> --
>>>>
>>>> burn it
>>>>
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>>>>
>>>
>>
>




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