Messages in this thread | | | Date | Fri, 25 Apr 2008 11:19:02 +0300 (EEST) | From | Pekka J Enberg <> | Subject | Re: [RFC/PATCH] usb-storage: wait for device scanning before mounting root |
| |
Hi Matthew,
On Thu, 24 Apr 2008, Matthew Dharm wrote: > > > This also has all sorts of races between do_mounts 'waiting' and the actual > > > USB device enumeration. It's entirely possible that the kernel loads via > > > BIOS, the USB drivers are loaded, that forces devices to disconnect/reset, > > > and they take a while to re-enumerate. During that delay, the kernel gets > > > to do_mount; now, no devices show in this "waiting for scan" count.
On Fri, Apr 25, 2008 at 09:30:52AM +0300, Pekka J Enberg wrote: > > So how does that happen? ->storage_probe fails and driver core calls it > > later at some point?
On Fri, 25 Apr 2008, Matthew Dharm wrote: > There's no guarantee that storage_probe is going to get called in a timely > manner.
How can we add such a guarantee? Don't we have this problem with any other storage devices?
Pekka
| |