From: Gorka Guardiola <paurea@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] usbuhci bug
Date: Thu, 1 Sep 2011 18:31:11 +0200 [thread overview]
Message-ID: <3D88A88F-1909-471A-94FE-5D43E15015B6@gmail.com> (raw)
In-Reply-To: <5bdb6bd331a65b59b2cc1028f41950a6@coraid.com>
Can you send me off-list usb/serial -dd output. At least so I know what device we are talking about :-).
On Sep 1, 2011, at 5:44 PM, erik quanstrom <quanstro@labs.coraid.com> wrote:
> speaking of usb ...
>
> using a serial-to-usb converter and usb/serial, i've been able to
> put my terminal into an unusable state on a fairly regular basis.
>
> here's the step-by-step.
> 1. run usb/serial
> 2. wait for a usb disconnect due to a failed read
> 3. notice that your machine is having trouble scheduling.
> 4. note that usbuhci is blasting 100,000 interrupts/sec!
> 5. try to slay and restart usb/serial ... no joy there.
> 6. give up and reboot terminal.
>
> unfortunately, i don't have any time to dig into this one atm.
>
> - erik
>
next prev parent reply other threads:[~2011-09-01 16:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-01 15:44 erik quanstrom
2011-09-01 16:31 ` Gorka Guardiola [this message]
2011-09-01 16:35 ` erik quanstrom
2011-09-01 20:06 ` Gorka Guardiola
[not found] ` <CACm3i_hSQNXe0dU91QgXfFX1oroByPaGKm-DPSOH+tBx6i+_=g@mail.gmail.c>
2011-09-01 20:10 ` erik quanstrom
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