New firewire stack not working reliably for TI TSB82AA2 PCIE adapter

manoj.iyer at canonical.com manoj.iyer at canonical.com
Tue Oct 12 15:43:00 UTC 2010


Looks like the patches that went in upstream does not fix this issue, I am 
not finding any other reports of firewire issues when switching firewire 
interfaces. continuing to look at it.

------
manjo

On Mon, 11 Oct 2010, Eric Shattow \"Eprecocious\" wrote:

> 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
>>>>
>>>>>
>>>>> --
>>>>> kernel-team mailing list
>>>>> kernel-team at lists.ubuntu.com
>>>>> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>>>>>
>>>>> --
>>>>>
>>>>> burn it
>>>>>
>>>>> --
>>>>> kernel-team mailing list
>>>>> kernel-team at lists.ubuntu.com
>>>>> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>>>>>
>>>>
>>>
>>
>


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