On Mon, 2016-09-05 at 18:15 +0300, Andy Shevchenko wrote: > +Heikki > > On Sat, 2016-09-03 at 16:25 +0800, kernel test robot wrote: > > Greetings, > > > > 0day kernel testing robot got the below dmesg and the first bad > > commit > > is > > Briefly tested I have hang issues *with* or *without* the mentioned > commit if under hang you meant no getty available on serial console. > Otherwise I see output from kernel till > > [ 61.625900] raid6test: complete (2429 tests, 0 failures) > [ 61.671165] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found > [ 61.678004] EDD information not available. > [ 61.714036] ALSA device list: > [ 61.717459] #0: Dummy 1 > [ 61.720480] #1: MTPAV on parallel port at 0x378 > > Attached defconfigs per commit I have tested (also diff between mine > and > yours when I did make savedefconfig). > > So, may I ask what exact hardware you are using to test this one? May I ask beloved LKP team what the status of the issue is? Shall we close it or there is more information coming? > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty- > > next > > > > commit a13e19cf3dc1080cf8a3a174cefd9199610faed7 > > Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > AuthorDate: Wed Aug 17 19:20:27 2016 +0300 > > Commit: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > CommitDate: Wed Aug 31 16:13:30 2016 +0200 > > > > serial: 8250_lpss: split LPSS driver to separate module > > > > The SoCs, such as Intel Braswell, have DesignWare UART IP. Split > > out the > > support of such chips to a separate module which also will be > > used > > for Intel > > Quark later. > > > > The rationale to have the separate driver to be existing: > > - Do not contaminate 8250_pci.c anymore with LPSS related quirks > > - All of them are using same DMA engine and they are Designware > > IP > > which means > > that in the future we might share the code between 8250_dw.c > > and > > 8250_lpss.c > > - It reduces the kernel memory footprint on non-X86 machines > > where > > 8250_pci.c > > is in use > > > > Besides the split the driver also has been refactored, in > > particular a) the DMA > > and port setup are separate functions, b) the two new structures > > lpss8250 and > > lpss8250_board are introduced to keep necessary data instead of > > pciserial_board, c) DMA parameters are passed to the DMA setup > > via > > mentioned > > custom structure. Most of the changes are done due to the future > > support of > > UART DMA on Intel Quark. > > > > The Intel Quark UART DMA support is based on bits taking from > > BSP > > code > > published by Intel earlier. > > > > The driver does not use any specific power management. PCI core > > takes care of > > the default behaviour during suspend and resume. > > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxx > > m> > > Tested-by: Bryan O'Donoghue <pure.logic@xxxxxxxxxxxxxxxxx> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > > > > > | 68af490b03 | a13e19cf3d | > > > 6fe4da5401 > > > > > > > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > > > > > boot_successes | 63 | 0 | > > > 0 | > > > boot_failures | 0 | 26 | > > > 27 | > > > BUG:kernel_hang_in_boot_stage | 0 | 26 | > > > 27 | > > > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > > > Booting the kernel. > > > > Elapsed time: 500 > > BUG: kernel hang in boot stage > > Linux version 4.8.0-rc2-00028-ga13e19c #1 > > Command line: root=/dev/ram0 hung_task_panic=1 debug apic=debug > > sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 > > net.ifnames=0 > > printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic > > oops=panic load_ramdisk=2 prompt_ramdisk=0 systemd.log_level=err > > ignore_loglevel earlyprintk=ttyS0,115200 console=ttyS0,115200 > > console=tty0 vga=normal rw link=/kbuild-tests/run-queue/kvm/x86_64- > > randconfig-r0-09031101/linux-devel:devel-spot- > > 201609030826:a13e19cf3dc1080cf8a3a174cefd9199610faed7:bisect-linux- > > 0/.vmlinuz-a13e19cf3dc1080cf8a3a174cefd9199610faed7-20160903152912- > > 8- > > vp branch=linux-devel/devel-spot-201609030826 > > BOOT_IMAGE=/pkg/linux/x86_64-randconfig-r0-09031101/gcc- > > 6/a13e19cf3dc1080cf8a3a174cefd9199610faed7/vmlinuz-4.8.0-rc2-00028- > > ga13e19c drbd.minor_count=8 > > > > > > git bisect start 6fe4da54019254083959652e61fab5d7b6d8b16b > > 3eab887a55424fc2c27553b7bfe32330df83f7b8 -- > > git bisect good 86374892625f368ff0a7d0045bbd10f5005f5095 # > > 13:00 20+ 0 Merge 'linux-review/Paul-Burton/Partial-MIPS- > > Malta-DT-conversion/20160903-000153' into devel-spot-201609030826 > > git bisect bad 28b0a3136795a9a1d1abb0331790bbae75e71e03 # > > 13:14 0- 11 Merge 'renesas/topic/sdr104-v6' into devel- > > spot- > > 201609030826 > > git bisect good 2e5ad9bf16a597bcf52ffee14dc5a3dc80e60ae9 # > > 13:24 22+ 0 Merge 'linux-review/Wang-Nan/perf-report- > > Recognize-hugetlb-mapping-as-anon-mapping/20160902-220432' into > > devel- > > spot-201609030826 > > git bisect bad bedfbf8942db947f2a9be3e3a4e01d8ddf3bdf4e # > > 13:40 0- 8 Merge 'linux-review/Luca-Ceresoli/rtl8723au- > > remove-declaration-of-unimplemented-functions/20160902-211231' into > > devel-spot-201609030826 > > git bisect bad 687a5fb1c4382d1e37d444fdc24f9a0ecb4034a0 # > > 14:02 0- 10 Merge 'tty/tty-testing' into devel-spot- > > 201609030826 > > git bisect good 259bbca0cd7b626ab0fc5eb63dfc24b1408e29b4 # > > 14:13 21+ 0 Merge 'linux-review/Toke-H-iland-J- > > rgensen/mac80211-Move-reorder-sensitive-TX-handlers-to-after-TXQ- > > dequeue/20160902-215155' into devel-spot-201609030826 > > git bisect good bf7a791d2c931375ae966adfb0a93eae426c6d7e # > > 14:26 22+ 0 Merge 'linux-review/Hariprasad-Shenai/cxgb4- > > Add- > > support-for-ndo_get_vf_config/20160902-214923' into devel-spot- > > 201609030826 > > git bisect good 5887ad43ee02a00f17a6132b7fb256dc6865474c # > > 14:41 22+ 0 tty: serial: fsl_lpuart: Use cyclic DMA for Rx > > git bisect good 9217a5bf66061c392e461255c5d9d41aac136e58 # > > 14:50 22+ 0 dmaengine: dw: keep copy of custom slave > > config > > in dwc > > git bisect good 8d17047207d52182ccd55b9529e1c8cc062c07c2 # > > 15:06 22+ 0 serial: 8250_dma: switch to new > > dmaengine_terminate_* API > > git bisect good 68af490b03b40cc31b2cd47899661d87ab9f127d # > > 15:22 22+ 0 serial: 8250: enable AFE on ports where FIFO > > is > > 16 bytes > > git bisect bad a13e19cf3dc1080cf8a3a174cefd9199610faed7 # > > 15:36 0- 4 serial: 8250_lpss: split LPSS driver to > > separate > > module > > # first bad commit: [a13e19cf3dc1080cf8a3a174cefd9199610faed7] > > serial: > > 8250_lpss: split LPSS driver to separate module > > git bisect good 68af490b03b40cc31b2cd47899661d87ab9f127d # > > 15:40 63+ 0 serial: 8250: enable AFE on ports where FIFO > > is > > 16 bytes > > # extra tests on HEAD of linux-devel/devel-spot-201609030826 > > git bisect bad 6fe4da54019254083959652e61fab5d7b6d8b16b # > > 15:40 0- 27 0day head guard for 'devel-spot-201609030826' > > # extra tests on tree/branch tty/tty-next > > git bisect bad d2f5a7311bcaed681a41cb3419b8fe92a7b68bf5 # > > 16:00 0- 17 dmaengine: hsu: refactor hsu_dma_do_irq() to > > return int > > # extra tests on tree/branch linus/master > > git bisect good 0141af184adc7f6ea9bd2f9631a15704d0806f8b # > > 16:10 66+ 1 Merge branch 'for-linus' of > > git://git.kernel.dk/linux-block > > # extra tests on tree/branch linux-next/master > > git bisect good 0f98f121e1670eaa2a2fbb675e07d6ba7f0e146f # > > 16:24 65+ 1 Add linux-next specific files for 20160825 > > > > > > --- > > 0-DAY kernel test infrastructure Open Source > > Technology > > Center > > https://lists.01.org/pipermail/lkp Intel > > Corporation > > -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
