diff options
Diffstat (limited to 'results/classifier/118/none/1914696')
| -rw-r--r-- | results/classifier/118/none/1914696 | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/results/classifier/118/none/1914696 b/results/classifier/118/none/1914696 new file mode 100644 index 000000000..5a1f22ea7 --- /dev/null +++ b/results/classifier/118/none/1914696 @@ -0,0 +1,154 @@ +hypervisor: 0.658 +KVM: 0.657 +TCG: 0.633 +vnc: 0.617 +VMM: 0.611 +peripherals: 0.601 +i386: 0.588 +ppc: 0.581 +user-level: 0.572 +x86: 0.562 +mistranslation: 0.546 +debug: 0.520 +virtual: 0.519 +risc-v: 0.517 +graphic: 0.511 +performance: 0.502 +permissions: 0.496 +register: 0.493 +architecture: 0.478 +device: 0.478 +files: 0.474 +PID: 0.468 +kernel: 0.457 +semantic: 0.454 +assembly: 0.441 +arm: 0.441 +boot: 0.437 +socket: 0.432 +network: 0.416 + +aarch64: migration failed: Segmentation fault (core dumped) + +reproduce: + +arch: aarch64 +source qemu: v4.2.0 +destination qemu: 1ed9228f63ea4bcc0ae240365305ee264e9189ce + +cmdline: +source: +$ ./aarch64-softmmu/qemu-system-aarch64 -name 'avocado-vt-vm1' -machine virt-4.2,gic-version=host,graphics=on -nodefaults -m 1024 -smp 2 -cpu 'host' -vnc :10 -enable-kvm -monitor stdio +(qemu) +(qemu) migrate -d tcp:10.19.241.167:888 +(qemu) info status +VM status: paused (postmigrate) + +destination: +./build/aarch64-softmmu/qemu-system-aarch64 -name 'avocado-vt-vm1' -machine virt-4.2,gic-version=host,graphics=on -nodefaults -m 1024 -smp 2 -cpu 'host' -vnc :10 -enable-kvm -monitor stdio -incoming tcp:0:888 +QEMU 5.2.50 monitor - type 'help' for more information +(qemu) Segmentation fault (core dumped) + + +i have bisected and confirmed that the first bad commit is: [f9506e162c33e87b609549157dd8431fcc732085] target/arm: Remove ARM_FEATURE_VFP* + +bisect log: +git bisect log +# bad: [1ed9228f63ea4bcc0ae240365305ee264e9189ce] Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2021-02-02-v2' into staging +git bisect bad 1ed9228f63ea4bcc0ae240365305ee264e9189ce +# good: [b0ca999a43a22b38158a222233d3f5881648bb4f] Update version for v4.2.0 release +git bisect good b0ca999a43a22b38158a222233d3f5881648bb4f +# bad: [59093cc407cb044c72aa786006a07bd404eb36b9] hw/char: Convert the Ibex UART to use the registerfields API +git bisect bad 59093cc407cb044c72aa786006a07bd404eb36b9 +# bad: [4dabf39592e92d692c6f2a1633571114ae25d843] aspeed/smc: Fix DMA support for AST2600 +git bisect bad 4dabf39592e92d692c6f2a1633571114ae25d843 +# good: [93c86fff53a267f657e79ec07dcd04b63882e330] Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200207' into staging +git bisect good 93c86fff53a267f657e79ec07dcd04b63882e330 +# bad: [2ac031d171ccd18c973014d9978b4a63f0ad5fb0] Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-5.0-sf3' into staging +git bisect bad 2ac031d171ccd18c973014d9978b4a63f0ad5fb0 +# good: [4036b7d1cd9fb1097a5f4bc24d7d31744256260f] target/arm: Use isar_feature function for testing AA32HPD feature +git bisect good 4036b7d1cd9fb1097a5f4bc24d7d31744256260f +# good: [002375895c10df40615fc615e2639f49e0c442fe] tests/iotests: be a little more forgiving on the size test +git bisect good 002375895c10df40615fc615e2639f49e0c442fe +# good: [c695724868ce4049fd79c5a509880dbdf171e744] target/riscv: Emulate TIME CSRs for privileged mode +git bisect good c695724868ce4049fd79c5a509880dbdf171e744 +# good: [f67957e17cbf8fc3cc5d1146a2db2023404578b0] target/arm: Add isar_feature_aa32_{fpsp_v2, fpsp_v3, fpdp_v3} +git bisect good f67957e17cbf8fc3cc5d1146a2db2023404578b0 +# bad: [a1229109dec4375259d3fff99f362405aab7917a] target/arm: Implement v8.4-RCPC +git bisect bad a1229109dec4375259d3fff99f362405aab7917a +# bad: [906b60facc3d3dd3af56cb1a7860175d805e10a3] target/arm: Add formats for some vfp 2 and 3-register insns +git bisect bad 906b60facc3d3dd3af56cb1a7860175d805e10a3 +# good: [c52881bbc22b50db99a6c37171ad3eea7d959ae6] target/arm: Replace ARM_FEATURE_VFP4 with isar_feature_aa32_simdfmac +git bisect good c52881bbc22b50db99a6c37171ad3eea7d959ae6 +# good: [f0f6d5c81be47d593e5ece7f06df6fba4c15738b] target/arm: Move the vfp decodetree calls next to the base isa +git bisect good f0f6d5c81be47d593e5ece7f06df6fba4c15738b +# bad: [f9506e162c33e87b609549157dd8431fcc732085] target/arm: Remove ARM_FEATURE_VFP* +git bisect bad f9506e162c33e87b609549157dd8431fcc732085 +# good: [bfa8a370d2f5d4ed03f7a7e2987982f15fe73758] linux-user/arm: Replace ARM_FEATURE_VFP* tests for HWCAP +git bisect good bfa8a370d2f5d4ed03f7a7e2987982f15fe73758 +# first bad commit: [f9506e162c33e87b609549157dd8431fcc732085] target/arm: Remove ARM_FEATURE_VFP* + + +the root cause is that, some feature bit is not consistent any more with below changes in this commit: +diff --git a/target/arm/cpu.h b/target/arm/cpu.h +index b29b0eddfc..05aa9711cd 100644 +--- a/target/arm/cpu.h ++++ b/target/arm/cpu.h +@@ -1880,7 +1880,6 @@ QEMU_BUILD_BUG_ON(ARRAY_SIZE(((ARMCPU *)0)->ccsidr) <= R_V7M_CSSELR_INDEX_MASK); + * mapping in linux-user/elfload.c:get_elf_hwcap(). + */ + enum arm_features { +- ARM_FEATURE_VFP, + ARM_FEATURE_AUXCR, /* ARM1026 Auxiliary control register. */ + ARM_FEATURE_XSCALE, /* Intel XScale extensions. */ + ARM_FEATURE_IWMMXT, /* Intel iwMMXt extension. */ +@@ -1889,7 +1888,6 @@ enum arm_features { + ARM_FEATURE_V7, + ARM_FEATURE_THUMB2, + ARM_FEATURE_PMSA, /* no MMU; may have Memory Protection Unit */ +- ARM_FEATURE_VFP3, + ARM_FEATURE_NEON, + ARM_FEATURE_M, /* Microcontroller profile. */ + ARM_FEATURE_OMAPCP, /* OMAP specific CP15 ops handling. */ +@@ -1900,7 +1898,6 @@ enum arm_features { + ARM_FEATURE_V5, + ARM_FEATURE_STRONGARM, + ARM_FEATURE_VAPA, /* cp15 VA to PA lookups */ +- ARM_FEATURE_VFP4, /* VFPv4 (implies that NEON is v2) */ + ARM_FEATURE_GENERIC_TIMER, + ARM_FEATURE_MVFR, /* Media and VFP Feature Registers 0 and 1 */ + ARM_FEATURE_DUMMY_C15_REGS, /* RAZ/WI all of cp15 crn=15 */ + +paste the call trace + +(gdb) bt +#0 0x0000aaaac036a02c in armv7m_nvic_neg_prio_requested (opaque=0x0, secure=false) at ../hw/intc/armv7m_nvic.c:406 +#1 0x0000aaaac014dcf4 in arm_v7m_mmu_idx_for_secstate_and_priv (env=0xaaaaca23d950, secstate=false, priv=true) at ../target/arm/m_helper.c:2837 +#2 0x0000aaaac014dd8c in arm_v7m_mmu_idx_for_secstate (env=0xaaaaca23d950, secstate=false) at ../target/arm/m_helper.c:2848 +#3 0x0000aaaac018aa6c in arm_mmu_idx_el (env=0xaaaaca23d950, el=1) at ../target/arm/helper.c:12841 +#4 0x0000aaaac018b788 in rebuild_hflags_internal (env=0xaaaaca23d950) at ../target/arm/helper.c:13100 +#5 0x0000aaaac018b80c in arm_rebuild_hflags (env=0xaaaaca23d950) at ../target/arm/helper.c:13113 +#6 0x0000aaaac007f928 in cpu_post_load (opaque=0xaaaaca233b10, version_id=22) at ../target/arm/machine.c:767 +#7 0x0000aaaabfc8f508 in vmstate_load_state (f=0xaaaaca355520, vmsd=0xaaaac0d59ea8 <vmstate_arm_cpu>, opaque=0xaaaaca233b10, version_id=22) at ../migration/vmstate.c:168 +#8 0x0000aaaabfca3404 in vmstate_load (f=0xaaaaca355520, se=0xaaaaca2708b0) at ../migration/savevm.c:885 +#9 0x0000aaaabfca6410 in qemu_loadvm_section_start_full (f=0xaaaaca355520, mis=0xaaaaca204d90) at ../migration/savevm.c:2396 +#10 0x0000aaaabfca6a8c in qemu_loadvm_state_main (f=0xaaaaca355520, mis=0xaaaaca204d90) at ../migration/savevm.c:2582 +#11 0x0000aaaabfca6c34 in qemu_loadvm_state (f=0xaaaaca355520) at ../migration/savevm.c:2661 +#12 0x0000aaaabfd95bf0 in process_incoming_migration_co (opaque=0x0) at ../migration/migration.c:522 +#13 0x0000aaaac06c6248 in coroutine_trampoline (i0=-895198224, i1=43690) at ../util/coroutine-ucontext.c:173 +#14 0x0000ffffa5071f90 in __startcontext () at ../sysdeps/unix/sysv/linux/aarch64/setcontext.S:123 + + + +i have no a good idea how to fix it prefectly yet. + +This just came up on the list the other day. It should be fixed by this patch: +https://<email address hidden>/ + + +https://<email address hidden>/ works for me. + + +Fix now in master: commit af903caed9fc62cc6 + + |