On Mon, 11 Jan, at 12:59:21AM, Srikar Dronamraju wrote: > On a x86_64 machine, I see kernel v4.4-rc8 based tip tree hangs on boot. > However v4.4-rc8 with the same config boots well on the same machine. > > git bisect results are as follows > > git bisect start > # bad: [fc4e8fa9f80e0f099838f3a9997019de36d9a4ba] Merge branch 'WIP.x86/mm' > git bisect bad fc4e8fa9f80e0f099838f3a9997019de36d9a4ba > # good: [168309855a7d1e16db751e9c647119fe2d2dc878] Linux 4.4-rc8 > git bisect good 168309855a7d1e16db751e9c647119fe2d2dc878 > # good: [76e17c25ebc9f6619f9f8fd93f3905b0def8dc6f] Merge branch 'perf/core' > git bisect good 76e17c25ebc9f6619f9f8fd93f3905b0def8dc6f > # good: [e8998ce7e8ce42419d0c7bb08c105bd860eb3218] Merge branch 'timers/urgent' > git bisect good e8998ce7e8ce42419d0c7bb08c105bd860eb3218 > # good: [af51cdabdbea5355ed388b8b3a7cf9bfc0864b9c] Merge branch 'x86/cpu' > git bisect good af51cdabdbea5355ed388b8b3a7cf9bfc0864b9c > # bad: [5852b88267adcc78722fc5d4f45751fb6e261bd2] Merge branch 'x86/urgent' > git bisect bad 5852b88267adcc78722fc5d4f45751fb6e261bd2 > # bad: [c236714fd39fb26993af2d5fde9c3bfc32361323] Merge branch 'x86/fpu' > git bisect bad c236714fd39fb26993af2d5fde9c3bfc32361323 > # bad: [ff3d0a12fb2dc123e2b46e9524ebf4e08de5c59c] Documentation/x86: Update EFI memory region description > git bisect bad ff3d0a12fb2dc123e2b46e9524ebf4e08de5c59c > # bad: [b61a76f8850d2979550abc42d7e09154ebb8d785] x86/efi: Map RAM into the identity page table for mixed mode > git bisect bad b61a76f8850d2979550abc42d7e09154ebb8d785 > # bad: [edc3b9129cecd0f0857112136f5b8b1bc1d45918] x86/mm/pat: Ensure cpa->pfn only contains page frame numbers > git bisect bad edc3b9129cecd0f0857112136f5b8b1bc1d45918 > # bad: [21cdb6b568435738cc0b303b2b3b82742396310c] x86/mm: Page align the '_end' symbol to avoid pfn conversion bugs > git bisect bad 21cdb6b568435738cc0b303b2b3b82742396310c > # first bad commit: [21cdb6b568435738cc0b303b2b3b82742396310c] x86/mm: Page align the '_end' symbol to avoid pfn conversion bugs > > Not much info on the console, when the kernel hangs. What info is there? > Tried reverting Commit 21cdb6b56 "x86/mm: Page align the '_end' > symbol to avoid pfn conversion bugs" but that doesnt help. Odd. Could you try booting the tip/x86/efi branch instead? There's only a handful of patches on that branch so it should be pretty easy to narrow down the problematic change. -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
