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From: Sam Leffler <sam@errno.com>
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To: Teemu Korhonen <teemu.korhonen@mbnet.fi>
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Cc: freebsd-stable@freebsd.org
Subject: Re: weird problems on 7.0-BETA3
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Teemu Korhonen wrote:
> I'm getting usb-input device freezes and sometimes kernel panics that 
> are somehow related to network traffic after upgrading from 
> 6.2-RELEASE to 7.0-BETA3.
>
> One reproducible freeze comes when I try to update the server list in 
> quake3 (linux version and native). Usb-mouse freezes as does 
> usb-keyboard. Ps/2-keyboard works. The list doesn't update so I think 
> the network freezes too. Message "nfe0: watchdog timeout (missed Tx 
> interrupts) -- recovering" is generated in the log. After exiting 
> quake3 the devices come back.
>
> Similar behavior occurs sometimes when watching streaming videos 
> except that the error message is produced more frequently and usually 
> it results in a kernel panic with a string "ohci_add_done: addr 
> 0x0236cf30 not found". 

Sounds like the ithread scheduling issue I fixed; you can try updating 
to RELENG_7 or wait for a new build.

    Sam