Performed the usual src update in head/amd64; today was from r325137 to r325228. Laptop had no complaints; everything Just Worked (as usual). This time, it was the build machine that whined -- rather less inconvenient for me. :-} Here's what it says currently: ... APIC: Using the MADT enumerator. Copyright (c) 1992-2017 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 12.0-CURRENT #516 r325228M/325228:1200052: Tue Oct 31 03:55:03 PDT 2017 root_at_freebeast.catwhisker.org:/common/S4/obj/usr/src/sys/GENERIC amd64 FreeBSD clang version 5.0.0 (tags/RELEASE_500/final 312559) (based on LLVM 5.0.0svn) WARNING: WITNESS option enabled, expect reduced performance. ... GEOM: new disk ada0 ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: <Crucial CT960M500SSD1 MU03> ACS-2 ATA SATA 3.x device ada0: Serial Number 1350095E5057 ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) ada0: Command Queueing enabled ada0: 915715MB (1875385008 512 byte sectors) ada0: quirks=0x2<NCQ_TRIM_BROKEN> ses0: uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1 GEOM_PART: partition 1 on (ada0, MBR) is not aligned on 4096 bytes uhub2: Generation Code 0x0 has 1 SubEnclosures ... WARNING: WITNESS option enabled, expect reduced performance. Trying to mount root from ufs:/dev/ada0s4a [rw]... umass0: <Bulk-In, Bulk-Out, Interface> on usbus0 umass0: SCSI over Bulk-Only; quirks = 0x4000 umass0:6:0: Attached to scbus6 random: harvesting attach, 8 bytes (4 bits) from umass0 (probe0:umass-sim0:0:0:0): Down reving Protocol Version from 2 to 0? atrtc0: providing initial system time pass6 at umass-sim0 bus 0 scbus6 target 0 lun 0 start_init: trying /sbin/init pass6: <Generic- Compact Flash 1.00> Removable Direct Access SCSI device uhub4: 6 ports with 6 removable, self powered pass6: Serial Number 20100818841300000 random: harvesting attach, 8 bytes (4 bits) from uhub4 pass6: 40.000MB/s transfers uhub3: 8 ports with 8 removable, self powered GEOM: new disk da0 (probe0:umass-sim0:0:0:1): Down reving Protocol Version from 2 to 0? random: harvesting attach, 8 bytes (4 bits) from uhub3 da0 at umass-sim0 bus 0 scbus6 target 0 lun 0 da0: <Generic- Compact Flash 1.00> Removable Direct Access SCSI device da0: Serial Number 20100818841300000 da0: 40.000MB/s transfers da0: Attempt to query device size failed: NOT READY, Medium not present da0: quirks=0x2<NO_6_BYTE> da0: Delete methods: <NONE(*),ZERO> pass7 at umass-sim0 bus 0 scbus6 target 0 lun 1 ugen0.3: <Dell Dell USB Entry Keyboard> at usbus0 pass7: <Generic- SM/xD-Picture 1.00> Removable Direct Access SCSI device ukbd0 on uhub2 ukbd0: <Dell Dell USB Entry Keyboard, class 0/0, rev 1.10/1.78, addr 2> on usbus0 pass7: Serial Number 20100818841300000 kbd2 at ukbd0 kbd2: ukbd0, generic (0), config:0x0, flags:0x3d0000pass7: 40.000MB/s transfers random: harvesting attach, 8 bytes (4 bits) from ukbd0 (da0:umass-sim0:0:0:0): PREVENT ALLOW MEDIUM REMOVAL not supported. da1 at umass-sim0 bus 0 scbus6 target 0 lun 1 da1: <Generic- SM/xD-Picture 1.00> Removable Direct Access SCSI device da1: Serial Number 20100818841300000 da1: 40.000MB/s transfers da1: Attempt to query device size failed: NOT READY, Medium not present da1: quirks=0x2<NO_6_BYTE> (probe0:umass-sim0:0:0:2): Down reving Protocol Version from 2 to 0? da1: Delete methods: <NONE(*),ZERO> pass8 at umass-sim0 bus 0 scbus6 target 0 lun 2 pass8: <Generic- SD/MMC 1.00> Removable Direct Access SCSI device pass8: Serial Number 20100818841300000 pass8: 40.000MB/s transfers da2 at umass-sim0 bus 0 scbus6 target 0 lun 2 da2: <Generic- SD/MMC 1.00> Removable Direct Access SCSI device da2: Serial Number 20100818841300000 da2: 40.000MB/s transfers da2: Attempt to query device size failed: NOT READY, Medium not present da2: quirks=0x2<NO_6_BYTE> ugen0.4: <Broadcom Corp BCM43142A0> at usbus0 da2: Delete methods: <NONE(*),ZERO> (probe0:umass-sim0:0:0:3): Down reving Protocol Version from 2 to 0? GEOM: new disk da1 panic: vtopde on a uva/gpa 0x1030000 cpuid = 5 time = 1509448749 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe07c77a8880 vpanic() at vpanic+0x19c/frame 0xfffffe07c77a8900 kassert_panic() at kassert_panic+0x126/frame 0xfffffe07c77a8970 pmap_kextract() at pmap_kextract+0x121/frame 0xfffffe07c77a89a0 free() at free+0x5e/frame 0xfffffe07c77a89e0 g_slice_orphan() at g_slice_orphan+0x7e/frame 0xfffffe07c77a8a00 g_spoil_event() at g_spoil_event+0x72/frame 0xfffffe07c77a8a30 g_run_events() at g_run_events+0x231/frame 0xfffffe07c77a8a70 fork_exit() at fork_exit+0x84/frame 0xfffffe07c77a8ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe07c77a8ab0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 13 tid 100044 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db> Links to yesterday's verbose dmesg.boot for this machine ("freebeast") -- as well as a log showing the uname string for each daily update, among other things -- may be found at <http://www.catwhisker.org/~david/FreeBSD/history/>. This particular panic appears to be quite reproducible. Any suggestions for diagnosing or fixing it? (I can leave the machine in this state for a while: normally, after successfully smoke-testing head, the machine is powered down until 23:50 local, when it comes back up (in stable/11) and starts re-syncing its local private SVN mirrors.) Thanks! :-) Peace, david -- David H. Wolfskill david_at_catwhisker.org Unsubstantiated claims of "Fake News" are evidence that the claimant lies again. See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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