Re: if_rum dies on transmit...

From: Gavin Atkinson <gavin_at_FreeBSD.org>
Date: Wed, 14 Oct 2009 23:08:39 +0100 (BST)
On Wed, 14 Oct 2009, Weongyo Jeong wrote:
> On Tue, Oct 13, 2009 at 05:41:09PM -0600, bsduser wrote:
>> Weongyo Jeong <weongyo.jeong_at_gmail.com> writes:
>>
>>> On Tue, Sep 29, 2009 at 01:57:46PM +0000, Poul-Henning Kamp wrote:
>>>>
>>>> Has anybody else seen if_rum die when you try to transmit a file over
>>>> a TCP connection ?
>>>>
>>>> If I try to print across the network, upload a file with ftp or anything
>>>> else of that general tenor, if_rum seems to hang the output queue and
>>>> stops transmitting packets.
>>>
>>> Could you please test with attached patch?
>>>
>>
>> I had the same issues with if_rum at least while using WPA and your patch made
>> them go away.... ( although removing and plugging back in does not quite
>> work )
>>
>> # scp INDEX-8* cookie:/usr/ports
>> INDEX-8                                       100%   19MB   2.1MB/s   00:09
>> INDEX-8.db                                    100%   34MB   2.4MB/s   00:14
>>
>> before the patch this would just hang.
>>
>> Another quick test using rsync on a bunch of files worked flawless too.
>>
>> usbconfig list:
>>
>> ugen7.2: <Compact Wireless-G USB Adapter Cisco-Linksys> at usbus7, cfg=0
>> md=HOST spd=HIGH (480Mbps) pwr=ON
>>
>> The adapter is a WUSB54GC and yes, you made my day :-)
>
> Patched at r198098.  Thank you for testing!

Many thanks for this!

Do you know if this patch is likely to fix the panics seen with rum(4) or 
is this likely to only fix the TX hangs?

Thanks,

Gavin
Received on Wed Oct 14 2009 - 20:09:11 UTC

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