linux-kernel - Re: linux-next: Tree for Apr 7 (build failure: mips:bcm63xx

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Message-ID: <20150407171649.GA3209@roeck-us.net>
Date:	Tue, 7 Apr 2015 10:16:49 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Florian Fainelli <f.fainelli@...il.com>
Subject: Re: linux-next: Tree for Apr 7 (build failure:
 mips:bcm63xx_defconfig)

On Tue, Apr 07, 2015 at 10:08:08PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20150402:
> 
> The arm-soc tree gained a build failure for which I reverted a commit.
> 
> The omap tree gained a build failure for which I applied a merge fix
> patch.
> 
> The arm64 tree gained a conflict against the arm-soc tree.
> 
> The net-next tree gained conflicts against the net tree.
> 
> The vfs tree gained conflicts against the ext4 and v9fs trees.
> 
> The drm tree gained a conflict against Linus' tree.
> 
> The spi tree gained a build failure so I used the version from
> next-20150402.
> 
> The tip tree gained conflicts against the net-next tree and a build
> failure so I used the version from next-20150402.
> 
> The kvm tree gained a conflict against the mips tree.
> 
> The kvms390 tree gained a conflict against the kvm tree.
> 
> The tty tree gained a conflict against the slave-dma tree.
> 
> The akpm-current tree gained conflicts against the tile tree.  I also
> removed a patch as requested due to reported failures.
> 
> Non-merge commits (relative to Linus' tree): 8802
>  7861 files changed, 364548 insertions(+), 179283 deletions(-)
> 
> ----------------------------------------------------------------------------
> 

Building mips:bcm63xx_defconfig ... failed
--------------
Error log:
mm/page_alloc.c: In function 'free_area_init_nodes':
mm/page_alloc.c:5412:34: warning: array subscript is below array bounds [-Warray-bounds]
arch/mips/built-in.o: In function `mips_dma_sync_single_for_device':
dma-default.c:(.text+0xf644): undefined reference to `plat_dma_addr_to_phys'
arch/mips/built-in.o: In function `mips_dma_map_sg':
dma-default.c:(.text+0xf7bc): undefined reference to `plat_map_dma_mem_page'
arch/mips/built-in.o: In function `mips_dma_map_page':
dma-default.c:(.text+0xf8ac): undefined reference to `plat_map_dma_mem_page'
dma-default.c:(.text+0xf8f0): undefined reference to `plat_map_dma_mem_page'
dma-default.c:(.text+0xf924): undefined reference to `plat_map_dma_mem_page'
arch/mips/built-in.o: In function `mips_dma_alloc_coherent':
dma-default.c:(.text+0xfbbc): undefined reference to `plat_map_dma_mem'
arch/mips/built-in.o: In function `dma_alloc_noncoherent':
(.text+0xfce8): undefined reference to `plat_map_dma_mem'
make: *** [vmlinux] Error 1

Bisect results:

# bad: [44bf159dfed5558083f97d792cb4bebdbcbf3061] Add linux-next specific files for 20150407
# good: [f22e6e847115abc3a0e2ad7bb18d243d42275af1] Linux 4.0-rc7
git bisect start 'HEAD' 'v4.0-rc7'
# bad: [16e2e34a62e94f3ab00e8db509529c77eeb031ea] Merge remote-tracking branch 'drm/drm-next'
git bisect bad 16e2e34a62e94f3ab00e8db509529c77eeb031ea
# bad: [fefe503874f0113d582056b8bb392baeda5f4f19] Merge remote-tracking branch 'file-locks/linux-next'
git bisect bad fefe503874f0113d582056b8bb392baeda5f4f19
# good: [e5a6058af54727023a6e1765fd167ca4ae1782eb] Merge remote-tracking branch 'samsung/for-next'
git bisect good e5a6058af54727023a6e1765fd167ca4ae1782eb
# bad: [084998d2aa97730be0b322c4c46a14c2f909e975] Merge remote-tracking branch 'mips/mips-for-linux-next'
git bisect bad 084998d2aa97730be0b322c4c46a14c2f909e975
# bad: [c1382bfac2628d24b9e9a0a9b8a7b2b35b1311c3] Merge branch '4.1-fp' into mips-for-linux-next
git bisect bad c1382bfac2628d24b9e9a0a9b8a7b2b35b1311c3
# good: [f45e388ff0f90b922b77bef959a2cfb0645cffbe] MIPS: Provide fallback reboot/poweroff/halt implementations
git bisect good f45e388ff0f90b922b77bef959a2cfb0645cffbe
# bad: [635c7028b7b07e7c632ecb841795e43fb375ee7e] MIPS: mipsregs.h: Remove broken comments
git bisect bad 635c7028b7b07e7c632ecb841795e43fb375ee7e
# good: [b0abf36ffdc2b7efbb74e02b9dad99b40e85ec3b] MIPS: Octeon: Set appropriate endianness in L2C registers
git bisect good b0abf36ffdc2b7efbb74e02b9dad99b40e85ec3b
# good: [1f8d271385d542796ab7917692908beef10acdc9] MIPS: Lasat: Remove unused function from sysctl code.
git bisect good 1f8d271385d542796ab7917692908beef10acdc9
# good: [9d4b5b9e869677154bc5dd27f9cb57c8141deca5] MIPS: SEAD3: sead3-net is not a module.
git bisect good 9d4b5b9e869677154bc5dd27f9cb57c8141deca5
# good: [612544fbde1b3cf60eb1c06ce1b6640c5d61bcdd] MIPS: SEAD3: Combine all platform device registrations in one file.
git bisect good 612544fbde1b3cf60eb1c06ce1b6640c5d61bcdd
# bad: [6fb7566baa012b66b0c58df7df794922b2c6f030] MIPS: BCM63xx: Utilize bmips-dma-coherence.h
git bisect bad 6fb7566baa012b66b0c58df7df794922b2c6f030
# good: [0c8741360c66a68314e2ce60d0701d57d44fde71] MIPS: BMIPS: Create bmips-dma-coherence.h
git bisect good 0c8741360c66a68314e2ce60d0701d57d44fde71
# first bad commit: [6fb7566baa012b66b0c58df7df794922b2c6f030] MIPS: BCM63xx: Utilize bmips-dma-coherence.h

Reverting commit 6fb7566baa012 fixes the problem.

Guenter
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