From mboxrd@z Thu Jan  1 00:00:00 1970
MIME-Version: 1.0
In-Reply-To: <1fed73d586d55546ac4c190148c84cb2@ladd.quanstro.net>
References: <1fed73d586d55546ac4c190148c84cb2@ladd.quanstro.net>
Date: Wed, 21 Oct 2009 04:05:33 +0200
Message-ID: <8ccc8ba40910201905h3cbfd6a8iae8aeca5d1b43d8@mail.gmail.com>
From: Francisco J Ballesteros <nemo@lsub.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [9fans] usb disk error
Topicbox-Message-UUID: 8d10098a-ead5-11e9-9d60-3106f5b1d025

Can you get the error with the old version of the code?

Nothing really changed, the disk should be asking for timeouts IIRC.


On Tue, Oct 20, 2009 at 9:33 PM, erik quanstrom <quanstro@quanstro.net> wro=
te:
> i don't recall getting these before. =C2=A0this seems
> like new behavior. =C2=A0i got 4 of these when downloading
> 4gb of pictures from a sd card. =C2=A0never in
> the same place twice. =C2=A0sb600 ohci controller.
>
> disk... reset: device is detached
>
> it seems that umsrecover -> umsreset -> usbcmd and
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0if(usbcmd(ums->dev, r, Umsreset, 0, 0, nil, 0)=
 < 0){
>> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fprint(2, "disk: reset:=
 %r\n");
>
> i don't see exactly where it is, but could this be
> a timeout issue? =C2=A0that's the main difference i see
> between now and the previous time. =C2=A0turning on
> debugging might not help. =C2=A0there's just too much
> of it. =C2=A0sometimes it's many gb of transfer before
> an error.
>
> - erik
>
>