Hi
Kernel bugzilla is still offline, so I must write bug report here.
On two my computers, newest 3.1 kernel won't compile (link to be more
specific). Both problems are different but it seems to be related. Both
occurs in usb subsystem and are connected with "__bad_udelay".
Machine 1:
uname -a: Linux www 3.0.0-Slackware #1 SMP Mon Jul 25 15:26:21 CEST 2011
i686 prescott i386 GNU/Linux
gcc --version: gcc (GCC) 3.4.6
ld -v: GNU ld version 2.15.92.0.2 20040927
error:
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
drivers/built-in.o(.devinit.text+0xed31): In function
`quirk_usb_disable_ehci':
: undefined reference to `__bad_udelay'
make: *** [.tmp_vmlinux1] Błąd 1
Machine 2:
uname -a: Linux ns 3.0.0-Slackware #2 SMP Mon Jul 25 14:56:10 CEST 2011
x86_64 x86_64 x86_64 GNU/Linux
gcc --version: gcc (GCC) 3.4.6
ld -v: GNU ld version 2.16.92 20060416
error:
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
drivers/built-in.o: In function `quirk_usb_early_handoff':
pci-quirks.c:(.devinit.text+0x7976): undefined reference to `__bad_udelay'
make: *** [.tmp_vmlinux1] Błąd 1
I use '2' config to compile kernel on slackware-current64 - it build
without problem.
I also try to compile kernel on '2' with "defconfig", it also build
without problem.
It seems error exists only with older toolchain (however still
supported) when usb support is compile in kernel.
If you need I can provide detailed info (configs, other tool versions, etc).
When really necessary I can bisect to found exactly commit that cause
this problem. However this will be very inconvenient to do this on those
systems, so i want to avoid it, if not really needed.
--
Konrad Rzepecki
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