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Date:      Fri, 17 Sep 2010 23:04:15 -0700
From:      Jeremy Chadwick <freebsd@jdc.parodius.com>
To:        Paul Mather <paul@gromit.dlib.vt.edu>
Cc:        d@delphij.net, Pascal Stumpf <Pascal.Stumpf@cubes.de>, Xin LI <delphij@delphij.net>, Martin Matuska <mm@FreeBSD.org>, stable@FreeBSD.org
Subject:   Re: MFC of ZFSv15
Message-ID:  <20100918060415.GA72689@icarus.home.lan>
In-Reply-To: <4CD27341-4430-4739-93C2-EEAD93A1866F@gromit.dlib.vt.edu>
References:  <201009152007.17320.Pascal.Stumpf@cubes.de> <201009151830.o8FIUWEZ021844@lava.sentex.ca> <4C911AB0.6090901@delphij.net> <4C91AEBF.50502@FreeBSD.org> <4CD27341-4430-4739-93C2-EEAD93A1866F@gromit.dlib.vt.edu>

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On Fri, Sep 17, 2010 at 08:37:50AM -0400, Paul Mather wrote:
> On Sep 16, 2010, at 1:44 AM, Martin Matuska wrote:
> 
> > I have fixed the missing bits in r212688.
> > 
> > Thanks for the notice.
> > 
> > Dňa 15. 9. 2010 21:12, Xin LI  wrote / napísal(a):
> >> On 2010/09/15 11:30, Mike Tancsa wrote:
> >>> At 02:07 PM 9/15/2010, Pascal Stumpf wrote:
> >>>> First of all, a great thanks to mm@ and pjd@ for the excellent work on
> >>>> ZFS in FreeBSD. :) And especially for the MFC of v15 a few hours ago.
> >> 
> >> [...]
> >>> here too.  RELENG_8 AMD64.  The tinderboxes havent hit that branch yet
> >>> (<http://tinderbox.freebsd.org/>http://tinderbox.freebsd.org/), so it
> >>> will be a few hrs before they get to test RELENG_8
> >> [...]
> >>> -lsbuf  -lm -lnvpair -luutil -lutil
> >>> /usr/obj/usr/src/tmp/usr/lib/libzfs.so: undefined reference to `getmntent'
> >>> *** Error code 1
> >> 
> >> Sorry for that, it seems to be caused by a partial merge
> >> (cddl/compat/opensolaris/misc/mnttab.c).  mm@ is going to fix that ASAP.
> >> 
> >> Cheers,
> 
> I am getting a build failure on 8.1-STABLE:
> 
> =====
> [[...]]
> cc -c -O2 -pipe -fno-strict-aliasing -march=pentium4 -std=c99  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc  -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000  -mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -fstack-protector -Werror  /usr/src/sys/kern/p1003_1b.c
> cc -c -O2 -pipe -fno-strict-aliasing -march=pentium4 -std=c99  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc  -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000  -mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -fstack-protector -Werror  /usr/src/sys/kern/posix4_mib.c
> cc -c -O2 -pipe -fno-strict-aliasing -march=pentium4 -std=c99  -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc  -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000  -mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -fstack-protector -Werror  /usr/src/sys/kern/sched_ule.c
> cc1: warnings being treated as errors
> /usr/src/sys/kern/sched_ule.c: In function 'sched_switch':
> /usr/src/sys/kern/sched_ule.c:1807: warning: implicit declaration of function 'sched_pickcpu'
> /usr/src/sys/kern/sched_ule.c:1807: warning: nested extern declaration of 'sched_pickcpu'
> *** Error code 1


The problem was that a piece of committed code in the ULE scheduler was lacking
an #ifdef statement for checking "options SMP".  Meaning: kernel configs
which lacked "options SMP" would break exactly as shown above.

This has been fixed (see "Fix UP build" commit); please update your
source tree.

http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/kern/sched_ule.c

-- 
| Jeremy Chadwick                                   jdc@parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |




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