On Fri, Mar 10, 2017 at 5:04 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > On 03/10/2017 03:52 PM, Kevin Hilman wrote: >> >> On Fri, Mar 10, 2017 at 3:24 PM, Kevin Hilman <khilman@xxxxxxxxxxxx> >> wrote: >>> >>> kernelci.org bot <bot@xxxxxxxxxxxx> writes: >>> >>>> stable-rc boot: 541 boots: 6 failed, 500 passed with 34 offline, 1 >>>> conflict (v4.10.1-168-gcdc1f9d24aac) >>>> >>>> Full Boot Summary: >>>> https://kernelci.org/boot/all/job/stable-rc/kernel/v4.10.1-168-gcdc1f9d24aac/ >>>> Full Build Summary: >>>> https://kernelci.org/build/stable-rc/kernel/v4.10.1-168-gcdc1f9d24aac/ >>>> >>>> Tree: stable-rc >>>> Branch: local/linux-4.10.y >>>> Git Describe: v4.10.1-168-gcdc1f9d24aac >>>> Git Commit: cdc1f9d24aac385a7fe4611d7b42f51e20f49cdb >>>> Git URL: >>>> http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git >>>> Tested: 101 unique boards, 25 SoC families, 30 builds out of 204 >>>> >>>> Boot Regressions Detected: >>>> >>>> arm: >>>> >>>> multi_v7_defconfig+CONFIG_PROVE_LOCKING=y: >>>> am335x-pepper: >>>> lab-baylibre-seattle: new failure (last pass: >>>> v4.10-21-gd23a9821d397) >>> >>> >>> This one is a new regression, and a first attempt at bisect was >>> inconclusive. >> >> >> Bisect fingered the commit below. I confirmed that reverting that >> commit on top of stable-rc/linux-4.10.y gets this am335x-pepper >> platform booting again. What's rather strange is that this boot test >> is using a .cpio.gz initramfs, and not using any ext4 filesystem. >> > > Does that even make sense ? Just wondering, after the problems we are > currently > experiencing with nios2. Those "bisected" as well to a commit associated > with > code which never executed. It turned out that the change in code size caused > completely unrelated memory overwrites to be observed. Reverting the patch > in > question also seemed to "fix" the problem. Only, of course, that wasn't > true. > > Maybe something similar is happening here ? Right, I'm not confident at all in what's actually going wrong here, but I ran out of time to keep digging, so I thought I'd at least report the results. Kevin