From: Justin Pryzby <justinpryzby@users.sourceforge.net>
To: linux-kernel@vger.kernel.org, Natalia Portillo <claunia@terra.es>
Subject: Re: Bug report on UHCI driver.
Date: Sun, 18 Jan 2004 16:53:52 -0500 [thread overview]
Message-ID: <20040118215352.GA1678@andromeda> (raw)
In-Reply-To: <BAB7DAB2-49F5-11D8-9B47-000393CFF340@terra.es>
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I get the same thing while trying to write a driver for a USB webcam.
The webcam works fine until this happens. Rebooting doesn't fix the
problem.
Justin
On Sun, Jan 18, 2004 at 08:34:35PM +0000, Natalia Portillo wrote:
> Dear Kernel Developers.
>
> This is the bug I'm getting with kernels 2.4.20-xfs-r3, 2.4.23-aa1 and
> 2.6.0-test5 (hardware information at bottom).
>
> It seems to be a problem of IRQ conflict.
> USB works perfectly, but, suddenly, it stops working and dmesg starts
> saying (and doesn't stop until reboot) the following:
> "drivers/usb/host/uhci-hcd.c: cc00: host controller halted. very bad"
>
> It happens after a random working time. I observed this time is less if
> I remove the nVidia graphics card and substitute it for an 3Dfx one
> (the second one doesn't use an IRQ).
> It also seems to happen faster in 2.4 kernels.
>
> Regards,
> Natalia Portillo
:CLIP:
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prev parent reply other threads:[~2004-01-18 21:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-18 20:34 Bug report on UHCI driver Natalia Portillo
2004-01-18 21:53 ` Justin Pryzby [this message]
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