Subject: Re: kern/36097: http fetch stall in networking code
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Liam J. Foy <liamfoy@sepulcrum.org>
List: netbsd-bugs
Date: 03/30/2007 16:50:03
The following reply was made to PR kern/36097; it has been noted by GNATS.
From: "Liam J. Foy" <liamfoy@sepulcrum.org>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org,
netbsd-bugs@netbsd.org, root@garbled.net
Subject: Re: kern/36097: http fetch stall in networking code
Date: Fri, 30 Mar 2007 17:46:14 +0100
On 30 Mar 2007, at 17:40, Quentin Garnier wrote:
> The following reply was made to PR kern/36097; it has been noted by
> GNATS.
>
> From: Quentin Garnier <cube@cubidou.net>
> To: "Liam J. Foy" <liamfoy@sepulcrum.org>
> Cc: gnats-bugs@NetBSD.org
> Subject: Re: kern/36097: http fetch stall in networking code
> Date: Fri, 30 Mar 2007 18:38:55 +0200
>
> --uaVifq136IIwehrE
> Content-Type: text/plain; charset=us-ascii
> Content-Disposition: inline
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>
> On Fri, Mar 30, 2007 at 05:36:05PM +0100, Liam J. Foy wrote:
>> =20
>> On 30 Mar 2007, at 16:55, Tim Rightnour wrote:
>> =20
>>> The following reply was made to PR kern/36097; it has been noted
>>> by =20
>>> GNATS.
>>>
>>> From: Tim Rightnour <root@garbled.net>
>>> To: gnats-bugs@NetBSD.org
>>> Cc: netbsd-bugs@netbsd.org, gnats-admin@netbsd.org,
>>> kern-bug-people@netbsd.org
>>> Subject: Re: kern/36097: http fetch stall in networking code
>>> Date: Fri, 30 Mar 2007 08:50:23 -0700 (MST)
>>>
>>> On 30-Mar-2007 YAMAMOTO Takashi wrote:
>>>> i guess it's failing to transmit any packets with sack, or =20
>>>> something like
>>>> that.
>>>> are you using any hw offloading?
>>>
>>> I've tested this on 4.0/i386 with a vr0 (no hardware offload that
>>> =20
>>> I know of),
>>> and 4.0/prep with an fxp0 with cpusaver turned on. Both acted =20
>>> identically.
>>>
>>> At the time this was reported, a number of other people also =20
>>> verified the same
>>> behavior on thier 4.0 machines.
>>>
>> =20
>> You say this is fixed in current - we just need to find out who
>> may have
>> fixed this on purpose or by accident. Anyone know :-)?
>
> Actually, it doesn't seem to be fixed in -current; it doesn't
> fail all
> the time: if you manage not to lose a signle packet, it will go
> through.
>
> Also, it is not related to SACK (I had it turned off for my own
> experiments).
>
> Quentin Garnier - cube@cubidou.net - cube@NetBSD.org
> "You could have made it, spitting out benchmarks
> Owe it to yourself not to fail"
> Amplifico, Spitting Out Benchmarks, Hometakes Vol. 2, 2005.
Ah - I just assumed that if he said it had been fixed on current it
had been - I dont have access to my machines at this moment.
I'll try to have a look at it tomorrow.
---
Liam J. Foy
<liamjfoy@netbsd.org>