Hi Alan,
A Gentoo bug report has revealed the existence of devices with a
MaxPower value of greater than 500mA. If my understanding is correct,
these devices will always be rejected by the new configuration choosing
code.
The bug report is here:
http://bugs.gentoo.org/137208
How should we
I'm putting the finishing touches on the new EHCI scheduler and
noticed an interesting 'problem' in shutdown. In practice it usually
doesn't work out to being a bug, but it appears to be unintentional
and potentially problematic on slow CPUs when a hub with lots of
devices is detached.
In
On Sun, 2 Jul 2006, Daniel Drake wrote:
Hi Alan,
A Gentoo bug report has revealed the existence of devices with a
MaxPower value of greater than 500mA. If my understanding is correct,
these devices will always be rejected by the new configuration choosing
code.
The bug report is
On Sun, 2 Jul 2006, Christopher Montgomery wrote:
I'm putting the finishing touches on the new EHCI scheduler and
noticed an interesting 'problem' in shutdown. In practice it usually
doesn't work out to being a bug, but it appears to be unintentional
and potentially problematic on slow CPUs
Hi Alan :)
* Alan Stern [EMAIL PROTECTED] dixit:
If I remount it as read-write (as root, of course), I have
success and I can use the device normally, being able to write to it
without problems. If, instead, I manually unload sd_mod and load it
again, then this time the device is
I didn't reply to all. oops.
-- Forwarded message --
From: Christopher Montgomery [EMAIL PROTECTED]
Date: Jul 2, 2006 12:17 PM
Subject: Re: [linux-usb-devel] new EHCI scheduler and shudtown
question / interrupt race
To: Alan Stern [EMAIL PROTECTED]
On 7/2/06, Alan Stern [EMAIL
On 7/2/06, Alan Stern [EMAIL PROTECTED] wrote:
I don't understand the problem you are describing. The kernel doesn't
kill off an IRQ unless it gets a lot of unhandled interrupts (99900 out of
the last 10). But none of the interrupts you mention will be
unhandled -- ehci-hcd will handle
this works well on my kyocera kpc650 -- throughput is up to about 1
mbit/sec vs. ~250 kbit/sec with the stock airprime driver.
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On Sunday 02 July 2006 6:29 am, Christopher Montgomery wrote:
Disconnecting a hub/device causes two things to happen at the same time:
1) usb_disconnect is called on the root device.
2) each active transfer descriptor throws an interrupt/error each time
it comes up in the periodic
On Sun, 2006-07-02 at 11:48 -0700, Roland Dreier wrote:
this works well on my kyocera kpc650 -- throughput is up to about 1
mbit/sec vs. ~250 kbit/sec with the stock airprime driver.
-
Thanks for the feedback.
I'm working on fixing the concerns Andrew Morton expressed regarding
memory leaks in
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