Re: lsusb omits some devices and (apparently) cannot be fixed
Aurelien Jarno <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
Greg KH a écrit : > On Thu, Sep 13, 2007 at 05:34:02PM -0500, Karl O. Pinc wrote: >> On 09/13/2007 05:17:17 PM, Aurelien Jarno wrote: >>> Karl O. Pinc a ?crit : >>>> lsusb silently ignores at least some permission errors, resulting in >>>> no output for the device to which there are no permissions. >>> As already explained, lsusb does not parse /dev, but uses libusb for >>> that. If a device is not in the list given by libusb, lsusb has no way >>> to guess that a device is missing. >> That's why I'm writing to (I hope) the authors of Linux's usb >> internals, so they can expose an interface libusb can use >> to come up with good error reporting. > > The internals are exposed, it's up to your distro to properly hook them > up so that you can see them. I suggest that if your distro is somehow > keeping you from reading from the usb device nodes in /dev/bus/usb/ that > you take it up with them, as that differs from the "standard" that all > of the major distros have agreed apon. > It was actually the case due to a bug, but it has been fixed. Now they are readable, but Karl wants more than that. -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' [email protected] | [email protected] `- people.debian.org/~aurel32 | www.aurel32.net ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel