git bisect start
# bad: [609dd53df540edd72faee705205aceca9c42fea5] Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20200506' into staging
git bisect bad 609dd53df540edd72faee705205aceca9c42fea5
# good: [b0ca999a43a22b38158a222233d3f5881648bb4f] Update version for v4.2.0 release
git bisect good b0ca999a43a22b38158a222233d3f5881648bb4f
# good: [78cedfabd53b6f64e7e64fc84878d848e5df1d08] target/arm: Flush high bits of sve register after AdvSIMD EXT
git bisect good 78cedfabd53b6f64e7e64fc84878d848e5df1d08
# bad: [3c6712eca07255803b61ca3d632f61a65c078c36] hw/i386: Rename apicid_from_topo_ids to x86_apicid_from_topo_ids
git bisect bad 3c6712eca07255803b61ca3d632f61a65c078c36
# good: [e64a62df378a746c0b257105959613c9f8122e59] Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-040320-1' into staging
git bisect good e64a62df378a746c0b257105959613c9f8122e59
# good: [17187cb646913356bbd434bebdcddf43f92ce31a] block/block-copy: factor out find_conflicting_inflight_req
git bisect good 17187cb646913356bbd434bebdcddf43f92ce31a
# good: [f7795e4096d8bd1c767c5ddb450fa859ff20490e] misc: Replace zero-length arrays with flexible array member (automatic)
git bisect good f7795e4096d8bd1c767c5ddb450fa859ff20490e
# good: [de95af9967a777263894165e3ba576581a82da4e] hw/core: Let devices own the MemoryRegion they create
git bisect good de95af9967a777263894165e3ba576581a82da4e
# good: [6fb1603aa24d9212493e4819d7b685be9c9aad7a] Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200317' into staging
git bisect good 6fb1603aa24d9212493e4819d7b685be9c9aad7a
# good: [d649689a8ecb2e276cc20d3af6d416e3c299cb17] Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
git bisect good d649689a8ecb2e276cc20d3af6d416e3c299cb17
# bad: [4ba59be1d6d8c57941841a505cb4656628d582d0] machine/memory encryption: Disable mem merge
git bisect bad 4ba59be1d6d8c57941841a505cb4656628d582d0
# good: [a16e8dbc043720abcb37fc7dca313e720b4e0f0c] i386: Add missing cpu feature bits in EPYC model
git bisect good a16e8dbc043720abcb37fc7dca313e720b4e0f0c
# bad: [dcf08bc60bcce8237e42ee9d4c4983ed98401b8a] hw/i386: Rename X86CPUTopoInfo structure to X86CPUTopoIDs
git bisect bad dcf08bc60bcce8237e42ee9d4c4983ed98401b8a
# bad: [143c30d4d346831a09e59e9af45afdca0331e819] i386: Add 2nd Generation AMD EPYC processors
git bisect bad 143c30d4d346831a09e59e9af45afdca0331e819
# first bad commit: [143c30d4d346831a09e59e9af45afdca0331e819] i386: Add 2nd Generation AMD EPYC processors