FIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: mt-ml at gmx dot de
GCC build triplet: none
GCC host triplet: ubuntu linux 8.10 (dev)
GCC target triplet: x86_64
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36359
--- Comment #1 from mt-ml at gmx dot de 2008-05-28 22:14 ---
Created an attachment (id=15695)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15695&action=view)
kernel config-file to reproduce error
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36359
--- Comment #4 from mt-ml at gmx dot de 2008-05-28 23:08 ---
(In reply to comment #2)
> This sounds like a kernel bug. At least we need preprocessed source of the
> source file in drivers/usb/core/usbcore.ko that generates the reference
> to ilog2_NaN.
>
Can you advi
--- Comment #5 from mt-ml at gmx dot de 2008-05-31 13:58 ---
Created an attachment (id=15707)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15707&action=view)
preprocessed sources of urb.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36359
--- Comment #6 from mt-ml at gmx dot de 2008-05-31 13:59 ---
I was able to find the function in which the error occurs. It's usb_submit_urb
in drivers/usb/core/urb.c I think.
The command:
$ gcc -c -save-temps drivers/usb/core/urb.c -I include
executed in the linux-kernel main dire
--- Comment #8 from mt-ml at gmx dot de 2008-06-08 00:17 ---
I've been able to identify the code where ilog2 is called. If I do not choose
usbcore as a module I get the following error:
drivers/built-in.o: In function `usb_submit_urb':
(.text+0xc247f): undefined re
