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[104.55.12.234]) by smtp.gmail.com with ESMTPSA id 34sm1559941otf.55.2019.09.25.05.02.14 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Sep 2019 05:02:14 -0700 (PDT) Sender: Alexander Motin Subject: Re: "panic: sched_pickcpu: Failed to find a cpu" after r352636 -> r352671 To: current@freebsd.org References: <20190925105430.GW1108@albert.catwhisker.org> From: Alexander Motin Autocrypt: addr=mav@FreeBSD.org; prefer-encrypt=mutual; keydata= mQENBFOzxAwBCADkPrax0pI2W/ig0CK9nRJJwsHitAGEZ2HZiFEuti+6/4UVxj81yr4ak/4g 9bKUyC7rMEAp/ZHNhd+MFCPAAcHPvtovnfykqE/vuosCS3wlSLloix2iKVLks0CwbLHGAyne 46lTQW74Xl/33c3W1Z6d8jD9gVFT/xaVzZ0U9xdzOmsYAZaAj4ki0tuxO9F7L+ct9grRe7iP g8t9hai7BL4ee3VRwk2JXnKb7UvBiVITKYWKz1jRvZIrjPokgEcCLOSlv7x/1kjuFnj3xWZU 7HSFFT8J93epBbrSSCsYsppIk2fZH41kaaFXsMQfTPH8wkeM6qwrvOh4HiQM08R+9tThABEB AAG0IUFsZXhhbmRlciBNb3RpbiA8bWF2QEZyZWVCU0Qub3JnPokBVwQTAQoAQQIbAwULCQgH AwUVCgkICwUWAwIBAAIeAQIXgAIZARYhBOmM88TmnMPNDledVYMYw5VbqyJ/BQJZYMKuBQkN McyiAAoJEIMYw5VbqyJ/tuUIAOG3ONOSNYqjK4eTZ1TVh9jdUBAhWk5nhDFnODN49Wj0AbYm 7aIqy8O1hnCDSZG5LttjSAo3UfXJZDKQM0BLb0gpRMBnAYqO6tdolLNqAbPGJBnGoPjsh24y 6KcbDaNnis+lD4GwPXwQM+92wZGhCUFElPV9NciZGVS65TNIgk7X+yEjjhD1MSWKKijZ1r9Z zIt4OzUTxxNOvzdlABZS88nNRdJkatOQJPmFdd1mpP6UzTNCiLUo1pIqOEtJgvVVDYq5WHY6 tciWWYdmZG/tIBexJmv2mV2OLVjXR6ZeKmntVH14H72/wRHJuYHQC+r5SVRcWWayrThsY6jZ Yr4+raS5AQ0EU7PEDAEIAOZgWf2cJIu+58IzP2dkXE/urj3tr4OqrB/yHGWUf71Lz6D0Fi6Z AXgDtmcFLGPfMyWuLAvSM+xmoguk7zC4hRBYvQycmIhuqBq1jO1Wp/Z+lpoPM/1cDYLn8Flv mI/c40MhUZh345DA4jYWWaZNjQHUWVQ1fPf595vdVVMPT/abE8E5DaF6fSkRmqFTmfYRkfbt 3ytU8NdUapDcJVY7cEP2nJBVNZPnOIObR/ZIgSxjjrG5o34yXoqeup8JvwEv+/NylzzuyXEZ R1EdEIzQ/a1nh/0j4NXtzZEqKW4aTWlmSqb6wN8jh1OSOOqkYsfnE3nfxcZbxi4IRoNQYlm5 9R8AEQEAAYkBPAQYAQoAJgIbDBYhBOmM88TmnMPNDledVYMYw5VbqyJ/BQJZYMLYBQkNMczM AAoJEIMYw5VbqyJ/TqgH/RQHClkvecE0262lwKoP/m0Mh4I5TLRgoJJn8S7G1BnqohYJkiLq A6xe6urGD7OqdNAl12UbrjWbdJV+zvea3vJoM4MZuYiYrGaXWxzFXqWJcPwMU9sAh8MRghHu uC5vgPb45Tnftw9/+n0i8GfVhQhOqepUGdQg4NPcXviSkoAvig6pp9Lcxisn0groUQKt15Gc sS9YcQWg3j9Hnipc6Mu416HX98Fb113NHJqc2geTHLkRyuBFOoyIqB6N9GKjzOAIzxxsVdl9 TevwGsrp4M4/RFzWbSgsbOnbE7454lmuVZGfReEjnUm8RHp9Q2UWKXlp3exlZjvOp/uVEpCg lz65AQ0EU7PEDAEIAOZgWf2cJIu+58IzP2dkXE/urj3tr4OqrB/yHGWUf71Lz6D0Fi6ZAXgD tmcFLGPfMyWuLAvSM+xmoguk7zC4hRBYvQycmIhuqBq1jO1Wp/Z+lpoPM/1cDYLn8FlvmI/c 40MhUZh345DA4jYWWaZNjQHUWVQ1fPf595vdVVMPT/abE8E5DaF6fSkRmqFTmfYRkfbt3ytU 8NdUapDcJVY7cEP2nJBVNZPnOIObR/ZIgSxjjrG5o34yXoqeup8JvwEv+/NylzzuyXEZR1Ed EIzQ/a1nh/0j4NXtzZEqKW4aTWlmSqb6wN8jh1OSOOqkYsfnE3nfxcZbxi4IRoNQYlm59R8A EQEAAYkBPAQYAQoAJgIbDBYhBOmM88TmnMPNDledVYMYw5VbqyJ/BQJZYMLYBQkNMczMAAoJ EIMYw5VbqyJ/TqgH/RQHClkvecE0262lwKoP/m0Mh4I5TLRgoJJn8S7G1BnqohYJkiLqA6xe 6urGD7OqdNAl12UbrjWbdJV+zvea3vJoM4MZuYiYrGaXWxzFXqWJcPwMU9sAh8MRghHuuC5v gPb45Tnftw9/+n0i8GfVhQhOqepUGdQg4NPcXviSkoAvig6pp9Lcxisn0groUQKt15GcsS9Y cQWg3j9Hnipc6Mu416HX98Fb113NHJqc2geTHLkRyuBFOoyIqB6N9GKjzOAIzxxsVdl9Tevw Gsrp4M4/RFzWbSgsbOnbE7454lmuVZGfReEjnUm8RHp9Q2UWKXlp3exlZjvOp/uVEpCglz4= Message-ID: <17ed84c1-daa8-8a01-d9ce-2b433f4228ae@FreeBSD.org> Date: Wed, 25 Sep 2019 08:02:12 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.0 MIME-Version: 1.0 In-Reply-To: <20190925105430.GW1108@albert.catwhisker.org> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 46dcB12QFsz3K3X X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-6.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Sep 2019 12:02:17 -0000 Thanks for the notice, it was a wrong assertion. Fixed. I'm sorry. On 25.09.2019 06:54, David Wolfskill wrote: > ... > SMP: AP CPU #3 Launched! > cpu3 AP: > ID: 0x00000003 VER: 0x01060015 LDR: 0x00000008 DFR: 0x00000000 x2APIC: 1 > lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000011ff > timer: 0x000100ef therm: 0x00010000 err: 0x000000f0 pmc: 0x00010400 > cmci: 0x000100f2 > SMP: AP CPU #6 Launched! > cpu6 AP: > ID: 0x00000006 VER: 0x01060015 LDR: 0x00000040 DFR: 0x00000000 x2APIC: 1 > lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000011ff > timer: 0x000100ef therm: 0x00010000 err: 0x000000f0 pmc: 0x00010400 > cmci: 0x000100f2 > panic: sched_pickcpu: Failed to find a cpu. > cpuid = 0 > time = 1 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff82550830 > vpanic() at vpanic+0x19d/frame 0xffffffff82550880 > panic() at panic+0x43/frame 0xffffffff825508e0 > sched_pickcpu() at sched_pickcpu+0x4c1/frame 0xffffffff82550990 > sched_add() at sched_add+0x6e/frame 0xffffffff825509d0 > gtaskqueue_start_threads() at gtaskqueue_start_threads+0x124/frame 0xffffffff82550a70 > taskqgroup_cpu_create() at taskqgroup_cpu_create+0x135/frame 0xffffffff82550ab0 > taskqgroup_adjust() at taskqgroup_adjust+0x1ad/frame 0xffffffff82550b20 > mi_startup() at mi_startup+0x210/frame 0xffffffff82550b70 > btext() at btext+0x2c > KDB: enter: panic > [ thread pid 0 tid 100000 ] > Stopped at kdb_enter+0x3b: movq $0,kdb_why > db> > > This is an Intel amd64 on a 4-core, 2 threads/core machine; I note > that src/sys/kern/sched_ule.c was modified in this update: > > ------------------------------------------------------------------------ > r352658 | mav | 2019-09-24 13:01:20 -0700 (Tue, 24 Sep 2019) | 24 lines > > Fix/improve interrupt threads scheduling. > .... > > A copy of "dmesg.boot" from a verbose boot from yesterday for the > machine may be found at > http://www.catwhisker.org/~david/FreeBSD/history/freebeast.13_dmesg.txt > > I'm about to find out if my laptop (which shares the above salient > characteristics, and is being updated in parallel) exhibits similar > symptoms. > > Peace, > david > -- Alexander Motin