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Hermes SMTP Server) with ESMTPA ID 668bb6d60385d26e935eeaff48f0b174; Wed, 19 Nov 2025 01:57:32 +0000 (UTC) Content-Type: text/plain; charset=us-ascii List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: Still seeing Failed assertion: "p[i] == 0" on armv7 buildworld [Notes from another example core dump: #3] From: Mark Millard In-Reply-To: <463AC500-C7C7-43FB-B5EF-332CEBA3D944@yahoo.com> Date: Tue, 18 Nov 2025 17:57:21 -0800 Cc: freebsd-arm@freebsd.org, freebsd-current@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <4957be52-e57f-4f5f-9626-d0f706480fe1@FreeBSD.org> <87ldkai9lu.fsf@panix.com> <877bvthymv.fsf@panix.com> <13E753F4-84F8-4ADB-96B6-908897D6971C@yahoo.com> <3174F751-9853-4697-B0C0-98B54518A69F@yahoo.com> <463AC500-C7C7-43FB-B5EF-332CEBA3D944@yahoo.com> To: "marklmi-yh.com" X-Mailer: Apple Mail (2.3826.700.81) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4dB4PH0Ksfz3PZ0 I'm only sending notes from testing of how similar other failures appear to the 2 lists. Folks can ask that I do otherwise for them if they want. This one is for size 4096 (1 page). It looks like #0..#15 are similar to the prior reports. #15 is for: arena_malloc (gdb) bt #0 thr_kill () at thr_kill.S:4 #1 0x2a08ef24 in __raise (s=3D6) at /usr/src/lib/libc/gen/raise.c:48 #2 0x2a145f38 in abort () at /usr/src/lib/libc/stdlib/abort.c:61 #3 0x2a196128 in ehooks_debug_zero_check (addr=3Daddr@entry=3D0x2e0eb000,= size=3Dsize@entry=3D4096) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/ehooks.h:170 #4 0x2a191f60 in ehooks_alloc (tsdn=3D0x2a2e4060, ehooks=3D0x2a600080, = new_addr=3D0x0, size=3D, alignment=3D4096, = zero=3D0xffff7e87, commit=3D) at /usr/src/contrib/jemalloc/include/jemalloc/internal/ehooks.h:208 #5 __je_extent_alloc_wrapper (tsdn=3Dtsdn@entry=3D0x2a2e4060, = pac=3D0x2a601810, ehooks=3D, new_addr=3D, = size=3D4096, alignment=3D4096, zero=3Dtrue, commit=3D0xffff7ee7,=20 growing_retained=3D) at jemalloc_extent.c:1003 #6 0x2a1916e0 in __je_ecache_alloc_grow (tsdn=3D, = tsdn@entry=3D0x2a2e4060, pac=3Dpac@entry=3D0x2a601810, = ehooks=3Dehooks@entry=3D0x2a600080, ecache=3D, = ecache@entry=3D0x2a603dd0,=20 expand_edata=3D0x0, size=3D4096, alignment=3D4096, zero=3D, guarded=3D) at jemalloc_extent.c:126 #7 0x2a1c9680 in pac_alloc_real (tsdn=3D0x2a2e4060, pac=3D0x2a601810, = ehooks=3D0x2a600080, size=3D4096, alignment=3D4096, zero=3D, guarded=3Dfalse) at jemalloc_pac.c:124 #8 pac_alloc_impl (tsdn=3Dtsdn@entry=3D0x2a2e4060, self=3D0x2a601810, = size=3Dsize@entry=3D4096, alignment=3D4096, zero=3D, = guarded=3Dfalse, frequent_reuse=3D,=20 deferred_work_generated=3D) at jemalloc_pac.c:178 #9 0x2a1c7ae8 in pai_alloc (tsdn=3D0x2a2e4060, self=3D0x0, size=3D4096, = alignment=3D2147483615, zero=3D, guarded=3Dfalse, = frequent_reuse=3Dtrue, deferred_work_generated=3D) at /usr/src/contrib/jemalloc/include/jemalloc/internal/pai.h:43 #10 __je_pa_alloc (tsdn=3Dtsdn@entry=3D0x2a2e4060, = shard=3Dshard@entry=3D0x2a601800, size=3D4096, alignment=3D, slab=3Dtrue, szind=3D19, zero=3D, guarded=3Dfalse,=20= deferred_work_generated=3D0xffff7faf) at jemalloc_pa.c:139 #11 0x2a16b9f8 in arena_slab_alloc (tsdn=3Dtsdn@entry=3D0x2a2e4060, = arena=3D0x2a600540, binind=3D19, binshard=3D0, bin_info=3D0x2a21fdec = <__je_bin_infos+912>) at jemalloc_arena.c:839 #12 0x2a16ac98 in __je_arena_cache_bin_fill_small (tsdn=3D0x2a2e4060, = arena=3D0x2a600540, cache_bin=3Dcache_bin@entry=3D0x2a2e4498, = cache_bin_info=3D0x2a6004e6, binind=3D19, nfill=3D10) at = jemalloc_arena.c:1034 #13 0x2a1b5694 in __je_tcache_alloc_small_hard (tsdn=3D0x0, = tsdn@entry=3D0x2a2e4060, arena=3D0x0, arena@entry=3D0x2a600540, = tcache=3Dtcache@entry=3D0x2a2e42c8, = cache_bin=3Dcache_bin@entry=3D0x2a2e4498, binind=3D19,=20 tcache_success=3D0xffff805f) at jemalloc_tcache.c:238 #14 0x2a16cef4 in tcache_alloc_small (tsd=3D, = arena=3D0x2a600540, tcache=3D0x2a2e42c8, size=3D, = binind=3D19, zero=3Dfalse, slow_path=3Dtrue) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/tcache_inlines.h:68 #15 arena_malloc (tsdn=3D, arena=3D, = size=3D512, ind=3D19, zero=3Dfalse, tcache=3D0x2a2e42c8, slow_path=3Dtrue)= at = /usr/src/contrib/jemalloc/include/jemalloc/internal/arena_inlines_b.h:151 #16 0x2a16cb88 in __je_arena_palloc (tsdn=3D0x0, tsdn@entry=3D0x2a2e4060, = arena=3D, usize=3D, usize@entry=3D512, = alignment=3Dalignment@entry=3D4, zero=3Dfalse, tcache=3D0x2a2e42c8) at jemalloc_arena.c:1224 #17 0x2a16559c in ipallocztm (tsdn=3D0x2a2e4060, tsdn@entry=3D0x2a2e42c8, = usize=3D512, alignment=3D4, zero=3Dfalse, tcache=3D0x2a2e42c8, = is_internal=3Dfalse, arena=3D0x0) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_inli= nes_c.h:80 #18 ipalloct (tsdn=3D0x0, tsdn@entry=3D0x2a2e4060, usize=3D512, = alignment=3D4, zero=3Dfalse, tcache=3D0x2a2e42c8, arena=3D0x0) at = /usr/src/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_inli= nes_c.h:91 #19 0x2a1651f4 in imalloc_no_sample (sopts=3D0xffff8154, = dopts=3D0xffff8134, tsd=3D0x2a2e4060, size=3D512, usize=3D512, = ind=3D) at jemalloc_jemalloc.c:2398 #20 imalloc_body (sopts=3D0xffff8154, dopts=3D0xffff8134, = tsd=3D0x2a2e4060) at jemalloc_jemalloc.c:2577 #21 0x2a156188 in imalloc (sopts=3Dsopts@entry=3D0xffff8154, = dopts=3D, dopts@entry=3D0xffff8134) at = jemalloc_jemalloc.c:2693 #22 0x2a15677c in __aligned_alloc (alignment=3D4, size=3D512) at = jemalloc_jemalloc.c:2821 #23 0x29e61a00 in = std::__1::__libcpp_aligned_alloc[abi:se190107](unsigned int, unsigned = int) (__alignment=3D4, __size=3D) at = /usr/src/contrib/llvm-project/libcxx/include/__memory/aligned_alloc.h:43 #24 operator_new_aligned_impl (size=3D, alignment=3D4) at = /usr/src/contrib/llvm-project/libcxx/src/new.cpp:129 #25 operator new (size=3D, alignment=3D) = at /usr/src/contrib/llvm-project/libcxx/src/new.cpp:141 #26 0x276265a0 in allocateBuckets () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/DenseMap.h:915 #27 grow () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/DenseMap.h:849 #28 0x276264d0 in grow () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/DenseMap.h:580 #29 0x276264d0 in InsertIntoBucketImpl () from = /usr/lib/libprivatellvm.so.19 #30 0x276262d0 in InsertIntoBucket () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/DenseMap.h:590 #31 FindAndConstruct () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/DenseMap.h:369 #32 0x2761e67c in operator[] () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/DenseMap.h:373 #33 createNode () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/GenericDomTree.h:8= 40 #34 CalculateFromScratch () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/GenericDomTreeCons= truction.h:579 #35 0x2762537c in Calculate > () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/GenericDomTreeCons= truction.h:1544 #36 recalculate () at = /usr/src/contrib/llvm-project/llvm/include/llvm/Support/GenericDomTree.h:7= 95 #37 run () at = /usr/src/contrib/llvm-project/llvm/lib/IR/Dominators.cpp:374 #38 0x2644e598 in run () at = /usr/src/contrib/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:3= 20 #39 0x276f1cf4 in getResultImpl () at = /usr/src/contrib/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:156 #40 0x262b8950 in getResult () at = /usr/src/contrib/llvm-project/llvm/include/llvm/IR/PassManager.h:409 #41 0x28f4fbe0 in operator() () at = /usr/obj/usr/src/arm.armv7/tmp/usr/include/c++/v1/__functional/function.h:= 430 #42 operator() () at = /usr/obj/usr/src/arm.armv7/tmp/usr/include/c++/v1/__functional/function.h:= 989 #43 runIPSCCP () at = /usr/src/contrib/llvm-project/llvm/lib/Transforms/IPO/SCCP.cpp:128 #44 run () at = /usr/src/contrib/llvm-project/llvm/lib/Transforms/IPO/SCCP.cpp:403 #45 0x27b85d14 in llvm::detail::PassModel>::run(llvm::Module&, = llvm::AnalysisManager&) () --Type for more, q to quit, c to continue without paging-- at = /usr/src/contrib/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:9= 0 #46 0x276ee244 in run () at = /usr/src/contrib/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81 #47 0x22174ffc in RunOptimizationPipeline () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1114 #48 0x2216cfb8 in EmitAssembly () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1179 #49 EmitBackendOutput () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1341 #50 0x225cbca0 in HandleTranslationUnit () at = /usr/src/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:354 #51 0x22cff8e4 in ParseAST () at = /usr/src/contrib/llvm-project/clang/lib/Parse/ParseAST.cpp:184 #52 0x22b5a7b8 in Execute () at = /usr/src/contrib/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1078 #53 0x22adb800 in ExecuteAction () at = /usr/src/contrib/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1061= #54 0x22bf6a90 in ExecuteCompilerInvocation () at = /usr/src/contrib/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvoca= tion.cpp:280 #55 0x0002afc8 in cc1_main () at = /usr/src/contrib/llvm-project/clang/tools/driver/cc1_main.cpp:284 #56 0x00038548 in ExecuteCC1Tool () at = /usr/src/contrib/llvm-project/clang/tools/driver/driver.cpp:215 #57 0x227877ec in operator() () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:= 68 #58 operator() () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Job.cpp:440 #59 callback_fn<(lambda at = /usr/src/contrib/llvm-project/clang/lib/Driver/Job.cpp:440:22)>(void) () = at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:= 45 #60 0x27d88624 in operator() () at = /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:= 68 #61 RunSafely () at = /usr/src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:42= 6 #62 0x22786e90 in Execute () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Job.cpp:440 #63 0x22748074 in ExecuteCommand () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Compilation.cpp:199 #64 0x227483d0 in ExecuteJobs () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Compilation.cpp:253 #65 0x22765bb8 in ExecuteCompilation () at = /usr/src/contrib/llvm-project/clang/lib/Driver/Driver.cpp:1943 #66 0x00037ba4 in clang_main () at = /usr/src/contrib/llvm-project/clang/tools/driver/driver.cpp:391 #67 0x000363a8 in main () at = /usr/src/usr.bin/clang/clang/clang-driver.cpp:17 0x2e0ebe80: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x2e0ebe90: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x2e0ebea0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a (gdb) x /1024x ((size_t*)addr)+0 0x2e0eb000: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x2e0eb010: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x2e0eb020: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a . . . 0x2e0ebfd0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x2e0ebfe0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a 0x2e0ebff0: 0x5a5a5a5a 0x5a5a5a5a 0x5a5a5a5a = 0x5a5a5a5a (gdb) x /1024x ((size_t*)addr)+1024 0x2e0ec000: Cannot access memory at address 0x2e0ec000 For #0..#15: The prior examples and the above agree about: #5 __je_extent_alloc_wrapper zero=3Dtrue #14 tcache_alloc_small zero=3Dfalse (The others are optimized out.) =3D=3D=3D Mark Millard marklmi at yahoo.com