On 07/04/15 10:16, Guenter Roeck wrote: > 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. I could reproduce that on mips-for-linux-next, looking into it now. Thanks! -- Florian