Re: PROBLEM: 2.6.3 + external firewire dvd writer - frequent freezes

[Ben Collins]

On Sun, Feb 22, 2004 at 02:44:36PM +0100, Tillmann Steinbrecher wrote:
> Hi,
> 
> I'm using an external FireWire DVD writer (Plextor 708 in case w/Oxford
> 911 chipset). This was working fine until kernel 2.6.2.
> 
> Since I upgraded to 2.6.3, it frequently happens that the system totally
> freezes when trying to write a DVD. It's really a hard crash, no mouse
> movement, no ping on the network. Reset required.
> 
> It doesn't happen each time I try to burn a DVD, but in about 20% the
> cases. So basically the writer is unusable with 2.6.3.
> 
> I searched the web and archives for the problem, but didn't find any
> results, except for one guy describing the same problem, also with
> 2.6.3, also on this mailing list here:
> http://www.ussg.iu.edu/hypermail/linux/kernel/0402.2/0950.html
> 
> However he didn't get any replies.
> 
> Please CC: me for replies, or if anybody needs .config, lspci, or other
> info. The firewire controller is a Texas Instruments TSB43AB22/A.

Can you enable spinlock debug so we can see if this is a race condition
somewhere?

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