Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 4879b7ae05431ebcd228a4ff25a81120b3d85891 Merge: ecc721a72c121 be13ec668d043 Author: Linus Torvalds AuthorDate: Tue May 9 15:40:28 2017 -0700 Commit: Linus Torvalds CommitDate: Tue May 9 15:40:28 2017 -0700 Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine updates from Vinod Koul: "This time again a smaller update consisting of: - support for TI DA8xx dma controller and updates to the cppi driver - updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor, ioat, dmatest" * tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (35 commits) dmaengine: pl08x: remove lock documentation dmaengine: pl08x: fix pl08x_dma_chan_state documentation dmaengine: pl08x: Use the BIT() macro consistently dmaengine: pl080: Fix some missing kerneldoc dmaengine: pl080: Cut some unused defines dmaengine: dmatest: Add check for supported buffer count (sg_buffers) dmaengine: dmatest: Select DMA_ENGINE_RAID as its needed for the slave_sg test dmaengine: virt-dma: Convert to use list_for_each_entry_safe() dma-debug: use offset_in_page() macro dmaengine: mv_xor: use offset_in_page() macro dmaengine: dmatest: use offset_in_page() macro dmaengine: sun4i: fix invalid argument dmaengine: ioat: use setup_timer dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe() dmaengine: pl330: remove pdata based initialization dmaengine: cppi: fix build error due to bad variable dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped dmaengine: cppi41: use managed functions devm_*() dmaengine: cppi41: fix cppi41_dma_tx_status() logic dmaengine: qcom_hidma: pause the channel on shutdown ... ecc721a72c Merge tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm be13ec668d Merge branch 'topic/pl330' into for-linus 4879b7ae05 Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma 9e66317d3c Linux 4.14-rc3 1418b85217 Add linux-next specific files for 20170929 +-------------------------------------------------------+------------+------------+------------+-----------+---------------+ | | ecc721a72c | be13ec668d | 4879b7ae05 | v4.14-rc3 | next-20170929 | +-------------------------------------------------------+------------+------------+------------+-----------+---------------+ | boot_successes | 1009 | 1009 | 909 | 5 | 510 | | boot_failures | 0 | 0 | 1 | 4 | 153 | | WARNING:kernel_stack | 0 | 0 | 1 | 3 | 111 | | BUG:unable_to_handle_kernel | 0 | 0 | 0 | 3 | 48 | | Oops:#[##] | 0 | 0 | 0 | 3 | 48 | | EIP:update_stack_state | 0 | 0 | 0 | 3 | 48 | | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 0 | 0 | 3 | 48 | | invoked_oom-killer:gfp_mask=0x | 0 | 0 | 0 | 1 | 16 | | Mem-Info | 0 | 0 | 0 | 1 | 16 | | EIP:clear_user | 0 | 0 | 0 | 0 | 2 | | EIP:copy_page_to_iter | 0 | 0 | 0 | 0 | 1 | +-------------------------------------------------------+------------+------------+------------+-----------+---------------+ [ 98.541044] random: ubusd: uninitialized urandom read (4 bytes read) [ 98.541708] random: ubusd: uninitialized urandom read (4 bytes read) [ 98.549594] random: ubusd: uninitialized urandom read (4 bytes read) [ 98.550365] random: ubusd: uninitialized urandom read (4 bytes read) [ 110.395203] sock: process `trinity-main' is using obsolete setsockopt SO_BSDCOMPAT [ 110.399425] WARNING: kernel stack regs at bd92bc2e in 01-cpu-hotplug:3811 has bad 'bp' value 000001be [ 110.399428] unwind stack type:0 next_sp: (null) mask:0x2 graph_idx:0 [ 110.399431] bd92bc2e: 92bc7f00 (0x92bc7f00) [ 110.399433] bd92bc32: c27041bd (0xc27041bd) [ 110.399435] bd92bc36: 92bc7fb8 (0x92bc7fb8) [ 110.399436] bd92bc3a: ffffffbd (0xffffffbd) # HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD git bisect start v4.12 v4.11 -- git bisect bad f3926e4c2a4b53c25a998de168d4eef6d0360369 # 16:26 B 172 1 0 0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs git bisect good 677375cef8cb7763ef620e007873117b9bad72a0 # 22:11 G 903 0 0 1 Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt git bisect bad 09d79d103371b1b7ea70ea7f9c05ac207ef22f5d # 23:30 B 663 1 0 1 Merge tag 'docs-4.12-2' of git://git.lwn.net/linux git bisect bad 7fc22f45fef00b55d9517e340650b6a0368faff1 # 02:35 B 503 1 0 0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc git bisect good 11fbf53d66ec302fe50b06bd7cb4863dbb98775a # 07:12 G 910 0 0 5 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs git bisect good 0ff4c01b279a590a2826ade9321ad8c7ca5a1b6c # 10:08 G 905 0 0 0 Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc git bisect good 28b47809b2171a6cfbab839936b24280639c9f85 # 12:37 G 902 0 0 0 Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu git bisect bad 4879b7ae05431ebcd228a4ff25a81120b3d85891 # 13:08 B 274 1 0 0 Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma git bisect good ecc721a72c121e8b641d68efd24a225abedb9a30 # 14:57 G 910 0 0 0 Merge tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm git bisect good f23514b1017905c2798224fa07e236471b9ed1e7 # 16:35 G 903 0 0 0 Merge branch 'topic/cppi' into for-linus git bisect good dd2b9ff8a9f992b4c85842e8b7c0b6f08f9e7e7c # 18:08 G 910 0 0 0 Merge branch 'topic/pl08x' into for-linus git bisect good 3378e7a49fda9537d48953cd41cf7836c472ba2f # 19:33 G 910 0 0 0 Merge branch 'topic/qcom' into for-linus git bisect good b7b0201a6743c4d9b634da68ad8bb94db28b8e69 # 20:58 G 910 0 0 0 Merge branch 'topic/xilinx' into for-linus git bisect good be13ec668d043e5313985014d34735ec6ede074a # 05:52 G 910 0 0 0 Merge branch 'topic/pl330' into for-linus # first bad commit: [4879b7ae05431ebcd228a4ff25a81120b3d85891] Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma git bisect good ecc721a72c121e8b641d68efd24a225abedb9a30 # 06:03 G 1004 0 0 0 Merge tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm git bisect good be13ec668d043e5313985014d34735ec6ede074a # 06:51 G 1009 0 0 0 Merge branch 'topic/pl330' into for-linus # extra tests on HEAD of linux-devel/devel-catchup-201709292214 git bisect bad ad260dff250ef395475b3fadb7f751beb283772b # 06:52 B 7 6 0 2 0day head guard for 'devel-catchup-201709292214' # extra tests on tree/branch linus/master git bisect bad 9e66317d3c92ddaab330c125dfe9d06eee268aff # 07:16 B 6 3 1 1 Linux 4.14-rc3 # extra tests on tree/branch linux-next/master git bisect bad 1418b852174ad50b3cb4738b8801626aefdc0bd9 # 07:17 B 472 111 0 42 Add linux-next specific files for 20170929 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/lkp Intel Corporation