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SubjectRe: Linux v2.6.27-rc1: problem with firmware stuff
Date
On Tuesday, 29 of July 2008, Rafael J. Wysocki wrote:
> On Tuesday, 29 of July 2008, Linus Torvalds wrote:
> >
> > It's two weeks (and one day), and the merge window is over.
> >
> > Finally. I don't know why, but this one really did feel pretty dang busy.
> > And the size of the -rc1 patch bears that out - at 12MB, it's about 50%
> > bigger than 26-rc1 (but not that much bigger than 24/25-rc1, so it's not
> > like it's anything unheard of).
> >
> > The pure size of the -rc's _is_ making me a bit nervous, though. Sure, it
> > means that we are good at merging it all, but I have to say that I
> > sometimes wonder if we don't merge too much in one go, and even our
> > current (fairly short) release cycle is actually too big.
> >
> > Anyway, that's a discussion for some other event.
> >
> > Much of -rc1 was in linux-next, but certainly not everything. We'll see
> > how that whole thing ends up evolving - it certainly didn't solve all
> > problems, and there was some bickering about things that weren't there
> > (and some things that mostly were ;), but maybe it helped.
> >
> > There's a ton of new stuff in there, but at least personally the
> > interesting things are the BKL pushdown and perhaps the introduction of
> > the lockless get_user_pages_fast(). The build system also got updated to
> > allow moving the architecture include files ("include/asm-xyz") into the
> > architecture subdirectories ("arch/xyz/include/asm"), and sparc seems to
> > have taken advantage of that already.
> >
> > But those changes are just small details in the end. As usual, the bulk of
> > changes are all to device drivers (roughly half, as usual), with the arch
> > directory amounting to about half of the remainder. Dirstat:
> >
> > 3.2% arch/arm/
> > 9.2% arch/ppc/
> > 24.6% arch/
> > 5.2% drivers/char/drm/
> > 6.3% drivers/char/
> > 4.5% drivers/gpu/drm/
> > 4.5% drivers/gpu/
> > 4.6% drivers/media/video/
> > 5.5% drivers/media/
> > 3.0% drivers/net/wireless/
> > 10.7% drivers/net/
> > 6.4% drivers/usb/misc/
> > 4.7% drivers/usb/serial/
> > 12.9% drivers/usb/
> > 51.2% drivers/
> > 4.4% firmware/
> > 3.7% fs/
> > 9.2% include/
> >
> > where the bulk of that fs/ update is the merge of the UBI filesystem, to
> > pick one fairly sizeable chunk outside of arch or drivers (there's omfs
> > too, but that's tiny in comparison).
> >
> > Other stuff? tracing. firmware loading.
>
> That one happens to break things for me badly:
>
> rafael@chimera:~/src/linux-2.6> make O=../build/mainline/chimera -j5
> GEN /home/rafael/src/build/mainline/chimera/Makefile
> CHK include/linux/version.h
> CHK include/linux/utsrelease.h
> Using /home/rafael/src/linux-2.6 as source for kernel
> CALL /home/rafael/src/linux-2.6/scripts/checksyscalls.sh
> CHK include/linux/compile.h
> Building modules, stage 2.
> Kernel: arch/x86/boot/bzImage is ready (#208)
> MODPOST 564 modules
> IHEX2FW firmware/emi26/loader.fw
> Failed to open destination file: Permission deniedihex2fw: Convert ihex files into binary representation for use by Linux kernel
> usage: ihex2fw [<options>] <src.HEX> <dst.fw>
> -w: wide records (16-bit length)
> -s: sort records by address
> IHEX2FW firmware/emi26/bitstream.fw
> IHEX2FW firmware/emi26/firmware.fw
> Failed to open destination file: Permission deniedihex2fw: Convert ihex files into binary representation for use by Linux kernel
> usage: ihex2fw [<options>] <src.HEX> <dst.fw>
> -w: wide records (16-bit length)
> -s: sort records by address
> make[2]: *** [firmware/emi26/loader.fw] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[2]: *** [firmware/emi26/bitstream.fw] Error 1
> Failed to open destination file: Permission deniedihex2fw: Convert ihex files into binary representation for use by Linux kernel
> usage: ihex2fw [<options>] <src.HEX> <dst.fw>
> -w: wide records (16-bit length)
> -s: sort records by address
> make[2]: *** [firmware/emi26/firmware.fw] Error 1
> make[1]: *** [modules] Error 2
> make: *** [sub-make] Error 2

Actually, this happened due to some firmware files being created as root during
installations of pre-rc -git kernels from the O= directory. So, not a real
problem, but somewhat confusing.

Thanks,
Rafael


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