=== uname (stock, baseline) === DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64 === uname (fix validation) === DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #3: Tue Sep 8 04:04:43 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64 === cc === cc 8.3 [DragonFly] Release/2019-02-22 === mounts === vbd0s1d on / (hammer2, local) test on /mnt (hammer, read-only, noatime, local) === crash === Trace beginning at frame 0xfffff801167bc058 trap_fatal() at trap_fatal+0x301 0xffffffff80bd50a1 trap_fatal() at trap_fatal+0x301 0xffffffff80bd50a1 trap_pfault() at trap_pfault+0x475 0xffffffff80bd56c5 trap() at trap+0x17c 0xffffffff80bd5bec calltrap() at calltrap+0x9 0xffffffff80b9921a --- trap 000000000000000c, rip = ffffffff809d4ec0, rsp = fffff801167bc250, rbp = fffff801167bc298 --- calculate_crc32c() at calculate_crc32c+0xf0 0xffffffff809d4ec0 iscsi_crc32() at iscsi_crc32+0x13 0xffffffff809d4f73 boot() called on cpu#0 Uptime: 21s Physical memory: 4060 MB Dumping 548 MB: 533 517 501 485 469 453 437 421 405 389 373 357 341 325 309 293 277 261 245 229 213 197 181 165 149 133 117 101 85 69 53 37 21 5 [New kernel syncer9] -- Trace beginning at frame 0xfffff801167bc058 trap_fatal() at trap_fatal+0x301 0xffffffff80bd50a1 trap_fatal() at trap_fatal+0x301 0xffffffff80bd50a1 trap_pfault() at trap_pfault+0x475 0xffffffff80bd56c5 === dmesg fix-kernel === hammer_btree_extract: bad record data 292 @ 90000000ffffffff hammer_btree_extract: bad record data 292 @ 90000000ffffffff