On Wed, May 18, 2016 at 08:11:12PM -0700, Guenter Roeck wrote: > Hi, > > some of my ppc qemu tests crash with the following log message. > > VFS: Cannot open root device "hda" or unknown-block(0,0): error -6 > Please append a correct "root=" boot option; here are the available partitions: > 0100 4096 ram0 (driver?) > 0101 4096 ram1 (driver?) > 0102 4096 ram2 (driver?) > 0103 4096 ram3 (driver?) > 0104 4096 ram4 (driver?) > 0105 4096 ram5 (driver?) > 0106 4096 ram6 (driver?) > 0107 4096 ram7 (driver?) > 0108 4096 ram8 (driver?) > 0109 4096 ram9 (driver?) > 010a 4096 ram10 (driver?) > 010b 4096 ram11 (driver?) > 010c 4096 ram12 (driver?) > 010d 4096 ram13 (driver?) > 010e 4096 ram14 (driver?) > 010f 4096 ram15 (driver?) > 1600 8383 hdc driver: ide-gd > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) > > A complete boot log is available at > http://kerneltests.org/builders/qemu-ppc-next/builds/408/steps/qemubuildcommand/logs/stdio > > Bisect points to commit 'drivers/of: Fix depth when unflattening devicetree'. > Reverting this commit fixes the problem. Bisect log is attached. > > The scripts and root file system used for the test are available at > https://github.com/groeck/linux-build-test/tree/master/rootfs/ppc > > Failing tests are > > powerpc:mac99:nosmp:ppc_book3s_defconfig > powerpc:g3beige:nosmp:ppc_book3s_defconfig > powerpc:mac99:smp:ppc_book3s_defconfig > Turns out this list of failed tests is incomplete. Also failing due to the same commit, and passing after the commit was reverted: arm:versatilepb-scsi:versatile_defconfig:versatile-pb arm:versatilepb:versatile_defconfig:versatile-pb arm:overo:multi_v7_defconfig:omap3-overo-tobi arm:overo:omap2plus_defconfig:omap3-overo-tobi arm:integratorcp:integrator_defconfig:integratorcp Log with failures is at http://kerneltests.org/builders/qemu-arm-next/builds/444/steps/qemubuildcommand/logs/stdio Guenter > Guenter > > --- > # bad: [1af872fb6cfb3c701d8819466a4672f85c3f17a3] dcssblk: fix the direct_access prototype to add 'size' > # good: [2dcd0af568b0cf583645c8a317dd12e344b1c72a] Linux 4.6 > git bisect start 'HEAD' 'v4.6' > # good: [586cf328ff7e7c0c32f89d6f2063c81143802c01] Merge remote-tracking branch 'net-next/master' > git bisect good 586cf328ff7e7c0c32f89d6f2063c81143802c01 > # bad: [69bf2b19c358d937a3f40c07a08bc73476d43c02] Merge remote-tracking branch 'tty/tty-next' > git bisect bad 69bf2b19c358d937a3f40c07a08bc73476d43c02 > # good: [c81e18989b12bdb70a056b05b94620eefd2aed7b] Merge remote-tracking branch 'drm/drm-next' > git bisect good c81e18989b12bdb70a056b05b94620eefd2aed7b > # good: [4668e9adc5722b6fdf887d0bc70e9f5998507689] Merge remote-tracking branch 'vfio/next' > git bisect good 4668e9adc5722b6fdf887d0bc70e9f5998507689 > # bad: [8ab5e17d29971673f08ce9cabfa6170e2f56fe07] Merge remote-tracking branch 'ftrace/for-next' > git bisect bad 8ab5e17d29971673f08ce9cabfa6170e2f56fe07 > # bad: [a792d9ada26755882a5ea1e958bc582fe6f2d7bc] Merge remote-tracking branch 'dt-rh/for-next' > git bisect bad a792d9ada26755882a5ea1e958bc582fe6f2d7bc > # good: [03da37387a3aa07e45d077043f48e7dc29206b62] Merge remote-tracking branch 'trivial/for-next' > git bisect good 03da37387a3aa07e45d077043f48e7dc29206b62 > # good: [8f97c2814b5448d91a3c67081f7d978c097feabe] Documentation: dt: interrupt-controller: fix spelling mistakes > git bisect good 8f97c2814b5448d91a3c67081f7d978c097feabe > # good: [947c82cbf01c9c6012cb96e385b5f6d6d1e1decb] drivers/of: Rename unflatten_dt_node() > git bisect good 947c82cbf01c9c6012cb96e385b5f6d6d1e1decb > # bad: [047eb65024c00807ff8f0407580f088b23cf908e] of/unittest: Remove unnecessary module.h header inclusion > git bisect bad 047eb65024c00807ff8f0407580f088b23cf908e > # good: [bb91f923d176578257aed682047653cc33148413] drivers/of: Export of_detach_node() > git bisect good bb91f923d176578257aed682047653cc33148413 > # bad: [ac78f9bdcf3836cafcd114a76a9473380a3faef5] drivers/of: Fix depth when unflattening devicetree > git bisect bad ac78f9bdcf3836cafcd114a76a9473380a3faef5 > # good: [b9c43856f21d97ffdfdd642acf2eb0b52d3b1555] of: dynamic: changeset prop-update revert fix > git bisect good b9c43856f21d97ffdfdd642acf2eb0b52d3b1555 > # first bad commit: [ac78f9bdcf3836cafcd114a76a9473380a3faef5] drivers/of: Fix depth when unflattening devicetree -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
