From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Subject: Re: [serial: 8250_lpss] a13e19cf3d: BUG: kernel hang in boot stage Date: Sat, 22 Oct 2016 19:40:14 +0300 Message-ID: <1477154414.6423.34.camel@linux.intel.com> References: <57ca88ec.8Uwmgj9cHsfC4q6Q%fengguang.wu@intel.com> <1473088503.11323.8.camel@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1473088503.11323.8.camel@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: kernel test robot , Heikki Krogerus Cc: LKP , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , wfg@linux.intel.com List-Id: linux-serial@vger.kernel.org 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 > > AuthorDate: Wed Aug 17 19:20:27 2016 +0300 > > Commit:     Greg Kroah-Hartman > > 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 > m> > >     Tested-by: Bryan O'Donoghue > >     Signed-off-by: Greg Kroah-Hartman > > > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > > > > >                               | 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 Intel Finland Oy From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============4829277433539376902==" MIME-Version: 1.0 From: Andy Shevchenko To: lkp@lists.01.org Subject: Re: [serial: 8250_lpss] a13e19cf3d: BUG: kernel hang in boot stage Date: Sat, 22 Oct 2016 19:40:14 +0300 Message-ID: <1477154414.6423.34.camel@linux.intel.com> In-Reply-To: <1473088503.11323.8.camel@linux.intel.com> List-Id: --===============4829277433539376902== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=C2=A0 > = > [=C2=A0=C2=A0=C2=A061.625900] raid6test: complete (2429 tests, 0 failures) > [=C2=A0=C2=A0=C2=A061.671165] BIOS EDD facility v0.16 2004-Jun-25, 0 devi= ces found > [=C2=A0=C2=A0=C2=A061.678004] EDD information not available. > [=C2=A0=C2=A0=C2=A061.714036] ALSA device list: > [=C2=A0=C2=A0=C2=A061.717459]=C2=A0=C2=A0=C2=A0#0: Dummy 1 > [=C2=A0=C2=A0=C2=A061.720480]=C2=A0=C2=A0=C2=A0#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:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Andy Shevchenko > > AuthorDate: Wed Aug 17 19:20:27 2016 +0300 > > Commit:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Greg Kroah-Hartman > > CommitDate: Wed Aug 31 16:13:30 2016 +0200 > > = > > =C2=A0=C2=A0=C2=A0=C2=A0serial: 8250_lpss: split LPSS driver to separat= e module > > =C2=A0=C2=A0=C2=A0=C2=A0 > > =C2=A0=C2=A0=C2=A0=C2=A0The SoCs, such as Intel Braswell, have DesignWa= re UART IP. Split > > out the > > =C2=A0=C2=A0=C2=A0=C2=A0support of such chips to a separate module whic= h also will be > > used > > for Intel > > =C2=A0=C2=A0=C2=A0=C2=A0Quark later. > > =C2=A0=C2=A0=C2=A0=C2=A0 > > =C2=A0=C2=A0=C2=A0=C2=A0The rationale to have the separate driver to be= existing: > > =C2=A0=C2=A0=C2=A0=C2=A0- Do not contaminate 8250_pci.c anymore with LP= SS related quirks > > =C2=A0=C2=A0=C2=A0=C2=A0- All of them are using same DMA engine and the= y are Designware > > IP > > which means > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0that in the future we might share t= he code between 8250_dw.c > > and > > 8250_lpss.c > > =C2=A0=C2=A0=C2=A0=C2=A0- It reduces the kernel memory footprint on non= -X86 machines > > where > > 8250_pci.c > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0is in use > > =C2=A0=C2=A0=C2=A0=C2=A0 > > =C2=A0=C2=A0=C2=A0=C2=A0Besides the split the driver also has been refa= ctored, in > > particular a) the DMA > > =C2=A0=C2=A0=C2=A0=C2=A0and port setup are separate functions, b) the t= wo new structures > > lpss8250 and > > =C2=A0=C2=A0=C2=A0=C2=A0lpss8250_board are introduced to keep necessary= data instead of > > =C2=A0=C2=A0=C2=A0=C2=A0pciserial_board, c) DMA parameters are passed t= o the DMA setup > > via > > mentioned > > =C2=A0=C2=A0=C2=A0=C2=A0custom structure. Most of the changes are done = due to the future > > support of > > =C2=A0=C2=A0=C2=A0=C2=A0UART DMA on Intel Quark. > > =C2=A0=C2=A0=C2=A0=C2=A0 > > =C2=A0=C2=A0=C2=A0=C2=A0The Intel Quark UART DMA support is based on bi= ts taking from > > BSP > > code > > =C2=A0=C2=A0=C2=A0=C2=A0published by Intel earlier. > > =C2=A0=C2=A0=C2=A0=C2=A0 > > =C2=A0=C2=A0=C2=A0=C2=A0The driver does not use any specific power mana= gement. PCI core > > takes care of > > =C2=A0=C2=A0=C2=A0=C2=A0the default behaviour during suspend and resume. > > =C2=A0=C2=A0=C2=A0=C2=A0 > > =C2=A0=C2=A0=C2=A0=C2=A0Signed-off-by: Andy Shevchenko > m> > > =C2=A0=C2=A0=C2=A0=C2=A0Tested-by: Bryan O'Donoghue > > =C2=A0=C2=A0=C2=A0=C2=A0Signed-off-by: Greg Kroah-Hartman > > = > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > > = > > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| 68af490b03 | a13e19cf3d | > > > 6fe4da5401 > > > > = > > = > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > > = > > > boot_successes=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| 63=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0| 0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0| > > > 0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| > > > boot_failures=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| 0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| 26=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0| > > > 27=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| > > > BUG:kernel_hang_in_boot_stage | 0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0| 26=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0| > > > 27=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0| > > = > > +-------------------------------+------------+------------+--------- > > -- > > -+ > > = > > Booting the kernel. > > = > > Elapsed time: 500 > > BUG: kernel hang in boot stage > > Linux version 4.8.0-rc2-00028-ga13e19c #1 > > Command line:=C2=A0=C2=A0root=3D/dev/ram0 hung_task_panic=3D1 debug api= c=3Ddebug > > sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=3D100 > > net.ifnames=3D0 > > printk.devkmsg=3Don panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic > > oops=3Dpanic load_ramdisk=3D2 prompt_ramdisk=3D0 systemd.log_level=3Derr > > ignore_loglevel earlyprintk=3DttyS0,115200 console=3DttyS0,115200 > > console=3Dtty0 vga=3Dnormal rw link=3D/kbuild-tests/run-queue/kvm/x86_6= 4- > > randconfig-r0-09031101/linux-devel:devel-spot- > > 201609030826:a13e19cf3dc1080cf8a3a174cefd9199610faed7:bisect-linux- > > 0/.vmlinuz-a13e19cf3dc1080cf8a3a174cefd9199610faed7-20160903152912- > > 8- > > vp branch=3Dlinux-devel/devel-spot-201609030826 > > BOOT_IMAGE=3D/pkg/linux/x86_64-randconfig-r0-09031101/gcc- > > 6/a13e19cf3dc1080cf8a3a174cefd9199610faed7/vmlinuz-4.8.0-rc2-00028- > > ga13e19c drbd.minor_count=3D8 > > = > > = > > git bisect start 6fe4da54019254083959652e61fab5d7b6d8b16b > > 3eab887a55424fc2c27553b7bfe32330df83f7b8 -- > > git bisect good 86374892625f368ff0a7d0045bbd10f5005f5095=C2=A0=C2=A0# > > 13:00=C2=A0=C2=A0=C2=A0=C2=A0=C2=A020+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0Merge 'linux-review/Paul-Burton/Partial-MIPS- > > Malta-DT-conversion/20160903-000153' into devel-spot-201609030826 > > git bisect=C2=A0=C2=A0bad 28b0a3136795a9a1d1abb0331790bbae75e71e03=C2= =A0=C2=A0# > > 13:14=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A00-=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A011=C2=A0=C2=A0Merge 'renesas/topic/sdr104-v6' into devel- > > spot- > > 201609030826 > > git bisect good 2e5ad9bf16a597bcf52ffee14dc5a3dc80e60ae9=C2=A0=C2=A0# > > 13:24=C2=A0=C2=A0=C2=A0=C2=A0=C2=A022+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0Merge 'linux-review/Wang-Nan/perf-report- > > Recognize-hugetlb-mapping-as-anon-mapping/20160902-220432' into > > devel- > > spot-201609030826 > > git bisect=C2=A0=C2=A0bad bedfbf8942db947f2a9be3e3a4e01d8ddf3bdf4e=C2= =A0=C2=A0# > > 13:40=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A00-=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A08=C2=A0=C2=A0Merge 'linux-review/Luca-Ceresoli/rtl8723au- > > remove-declaration-of-unimplemented-functions/20160902-211231' into > > devel-spot-201609030826 > > git bisect=C2=A0=C2=A0bad 687a5fb1c4382d1e37d444fdc24f9a0ecb4034a0=C2= =A0=C2=A0# > > 14:02=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A00-=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A010=C2=A0=C2=A0Merge 'tty/tty-testing' into devel-spot- > > 201609030826 > > git bisect good 259bbca0cd7b626ab0fc5eb63dfc24b1408e29b4=C2=A0=C2=A0# > > 14:13=C2=A0=C2=A0=C2=A0=C2=A0=C2=A021+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0Merge '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=C2=A0=C2=A0# > > 14:26=C2=A0=C2=A0=C2=A0=C2=A0=C2=A022+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0Merge 'linux-review/Hariprasad-Shenai/cxgb4- > > Add- > > support-for-ndo_get_vf_config/20160902-214923' into devel-spot- > > 201609030826 > > git bisect good 5887ad43ee02a00f17a6132b7fb256dc6865474c=C2=A0=C2=A0# > > 14:41=C2=A0=C2=A0=C2=A0=C2=A0=C2=A022+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0tty: serial: fsl_lpuart: Use cyclic DMA for Rx > > git bisect good 9217a5bf66061c392e461255c5d9d41aac136e58=C2=A0=C2=A0# > > 14:50=C2=A0=C2=A0=C2=A0=C2=A0=C2=A022+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0dmaengine: dw: keep copy of custom slave > > config > > in dwc > > git bisect good 8d17047207d52182ccd55b9529e1c8cc062c07c2=C2=A0=C2=A0# > > 15:06=C2=A0=C2=A0=C2=A0=C2=A0=C2=A022+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0serial: 8250_dma: switch to new > > dmaengine_terminate_* API > > git bisect good 68af490b03b40cc31b2cd47899661d87ab9f127d=C2=A0=C2=A0# > > 15:22=C2=A0=C2=A0=C2=A0=C2=A0=C2=A022+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0serial: 8250: enable AFE on ports where FIFO > > is > > 16 bytes > > git bisect=C2=A0=C2=A0bad a13e19cf3dc1080cf8a3a174cefd9199610faed7=C2= =A0=C2=A0# > > 15:36=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A00-=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A04=C2=A0=C2=A0serial: 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=C2=A0=C2=A0# > > 15:40=C2=A0=C2=A0=C2=A0=C2=A0=C2=A063+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A00=C2=A0=C2=A0serial: 8250: enable AFE on ports where FIFO > > is > > 16 bytes > > # extra tests on HEAD of linux-devel/devel-spot-201609030826 > > git bisect=C2=A0=C2=A0bad 6fe4da54019254083959652e61fab5d7b6d8b16b=C2= =A0=C2=A0# > > 15:40=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A00-=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A027=C2=A0=C2=A00day head guard for 'devel-spot-201609030826' > > # extra tests on tree/branch tty/tty-next > > git bisect=C2=A0=C2=A0bad d2f5a7311bcaed681a41cb3419b8fe92a7b68bf5=C2= =A0=C2=A0# > > 16:00=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A00-=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A017=C2=A0=C2=A0dmaengine: hsu: refactor hsu_dma_do_irq() to > > return int > > # extra tests on tree/branch linus/master > > git bisect good 0141af184adc7f6ea9bd2f9631a15704d0806f8b=C2=A0=C2=A0# > > 16:10=C2=A0=C2=A0=C2=A0=C2=A0=C2=A066+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A01=C2=A0=C2=A0Merge branch 'for-linus' of > > git://git.kernel.dk/linux-block > > # extra tests on tree/branch linux-next/master > > git bisect good 0f98f121e1670eaa2a2fbb675e07d6ba7f0e146f=C2=A0=C2=A0# > > 16:24=C2=A0=C2=A0=C2=A0=C2=A0=C2=A065+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A01=C2=A0=C2=A0Add linux-next specific files for 20160825 > > = > > = > > --- > > 0-DAY kernel test infrastructure=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Open Source > > Technology > > Center > > https://lists.01.org/pipermail/lkp=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0Intel > > Corporation > = > = -- = Andy Shevchenko Intel Finland Oy --===============4829277433539376902==--