New firewire stack not working reliably for TI TSB82AA2 PCIE adapter

[Lee Jones]

On 08/10/10 14:34, Eric Shattow "Eprecocious" wrote:
> My laptop contains a built in Ricoh R5C832 rev05 firewire controller,
> and also I have a PCI Express card "StarTech EC1394B2" with Texas
> Instruments TSB82AA2 rev01 chipset. Both controllers are tested okay
> working on an Ubuntu LiveCD environment (kernel 2.6.28-4-generic) and
> the old firewire stack.
> 
> Now that I'm trying out Ubuntu 10.10 release and the kernel
> 2.6.35-22-generic, I find that sometimes data corruption happens with
> the TI adapter.
> 
> Everything looks good when I try "dd if=/dev/zero bs=4k of=/dev/sdN
> count=15". When there is a problem, then trying "dd if=/dev/zero bs=4k
> of=/dev/sdN count=16" will fail.
> 
> 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?

File a bug and attach as much (useful) information as you can to it.

https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bugs