lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1191912184.6355.66.camel@pasglop>
Date:	Tue, 09 Oct 2007 16:43:04 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	David Brownell <david-b@...bell.net>
Cc:	greg@...ah.com, davem@...emloft.net,
	linux-usb-users@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: OHCI root_port_reset() deadly loop...


On Mon, 2007-10-08 at 22:00 -0700, David Brownell wrote:
> > > > The old /etc/hotplug/usb.rc script made sure to load those modules
> > > > in the correct order:  EHCI first.
> > > 
> > > I expected to find something cute attempting to handle this under
> > > /etc/udev, I have failed so far :-)
> >
> > No, nothing cute in udev itself, but it seems that all distros that I
> > know of have a "load these modules now" type setting in their init
> > scripts that can be used here.
> >
> > I can't think of a way to enforce this load order on the modules
> > themselves due to the fact that OHCI might not even be needed for EHCI
> > devices on UHCI (Intel) based chipsets :(
> 
> Assuming PCI is present, /sys/bus/pci/devices/*/class can tell
> if EHCI is present (0x0c0320) ... if so, load that driver.
> Then repeat for OHCI (0x0c0310) and UHCI (0x0c0300).

That will not work for all of the non-PCI implementations though.

Ben.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists