Date: Mon, 27 Sep 2004 10:53:47 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-mobile@FreeBSD.org Cc: Warner Losh <imp@FreeBSD.org> Subject: Re: FreeBSD 5.3-BETA6 available Message-ID: <200409271053.47904.jhb@FreeBSD.org> In-Reply-To: <4157EF47.7070604@gmx.de> References: <415720FD.8080603@samsco.org> <4157EF47.7070604@gmx.de>
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On Monday 27 September 2004 06:45 am, Jochen Gensch wrote:
> Scott Long wrote:
> > - Detaching a USB Hub device, including many keyboards and monitors,
> > will trigger a panic. The fix for this is being tested and will be
> > in the next BETA.
>
> I just wanted to point at a new issue regarding the propsed patch to
> usb_port.h, since I didn't manage to send an e-mail to the correct
> thread :-(. The suggested change was:
>
> Index: usb_port.h
> ===================================================================
> RCS file: /dump/FreeBSD-CVS/src/sys/dev/usb/usb_port.h,v
> retrieving revision 1.67
> diff -u -r1.67 usb_port.h
> --- usb_port.h 15 Aug 2004 23:39:18 -0000 1.67
> +++ usb_port.h 21 Sep 2004 23:46:27 -0000
> @@ -422,6 +422,7 @@
> #define config_detach(dev, flag) \
> do { \
> free(device_get_ivars(dev), M_USB); \
> + device_detach(dev); \
> device_delete_child(device_get_parent(dev), dev); \
> } while (0);
>
> Apparently this relly stops the kernel panic. BUT there seems to be a
> problem with devfs, when reattaching the usb hub / devices. Permissions
> set in /etc/devfs.conf do not take effect any more. Even worse, if you
> do a ls -l /dev, then all devices show permissions like '0'.
You need to use persistent devfs rules rather than the one-time boot fix that
devfs.conf does to get the devfs permissions you want/need.
--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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