Bug#521717: zaptel-source: "FXO PCI Master abort" while network/disk/cpu usage is high

Tzafrir Cohen tzafrir.cohen at xorcom.com
Sun Mar 29 19:33:16 UTC 2009


On Sun, Mar 29, 2009 at 03:22:59PM -0400, Xavier Douville wrote:
> Hi
> 
> When the driver is bugged, syslogd and klogd take 100% of the CPU, even 
> if I stop the network transfer. 

Rate-limiting this message should be simple enough, regardless of the
original issue. I'll try to get to that in the coming days.

> The only way to stop this is to rmmod wcfxo. 

Why the driver does not recover is a separate issue. 

> This bug is very easy to reproduce on my computer. It's really 
> when I do network transfers. It doesn't bug when I copy a file on the 
> HDD. I know there are a lot of issues with IRQ with zaptel, but both 
> eth1 and sata_sil have a higher IRQ number than wcfxo so they should 
> have less priority right?

I'm not familiar enough with that, unfortunately.

-- 
               Tzafrir Cohen
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