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Thu, 27 Aug 2020 21:34:39 -0400 (EDT) To: current@freebsd.org From: Yuri Pankov Subject: panic in range_tree_seg64_compare() Message-ID: <2b89d19f-3fa9-8cf2-4ce2-91f1702172e4@xsmail.com> Date: Fri, 28 Aug 2020 04:34:37 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4Bd2Fs5vpxz3Xh3 X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.20 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[66.111.4.25:from]; FREEMAIL_FROM(0.00)[xsmail.com]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.25]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[xsmail.com:+,messagingengine.com:+]; DMARC_POLICY_ALLOW(-0.50)[xsmail.com,none]; NEURAL_HAM_SHORT(-0.10)[-0.102]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.25:from]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[xsmail.com]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:11403, ipnet:66.111.4.0/24, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.03)[-1.033]; R_DKIM_ALLOW(-0.20)[xsmail.com:s=fm3,messagingengine.com:s=fm3]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.97)[-0.969]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[current@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; MAILMAN_DEST(0.00)[current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 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: Fri, 28 Aug 2020 01:34:43 -0000 Yet another issue I'm seeing after last update (currently running r364870), hit it 2 times today: Fatal trap 12: page fault while in kernel mode cpuid = 19; apic id = 0d fault virtual address = 0xfffff819e2ecdc40 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff8277fa64 stack pointer = 0x28:0xfffffe01f9ff2d90 frame pointer = 0x28:0xfffffe01f9ff2d90 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 48792 (blk-3:0-0) trap number = 12 panic: page fault cpuid = 19 time = 1598577675 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01f9ff2a40 vpanic() at vpanic+0x182/frame 0xfffffe01f9ff2a90 panic() at panic+0x43/frame 0xfffffe01f9ff2af0 trap_fatal() at trap_fatal+0x387/frame 0xfffffe01f9ff2b50 trap_pfault() at trap_pfault+0x97/frame 0xfffffe01f9ff2bb0 trap() at trap+0x2ab/frame 0xfffffe01f9ff2cc0 calltrap() at calltrap+0x8/frame 0xfffffe01f9ff2cc0 --- trap 0xc, rip = 0xffffffff8277fa64, rsp = 0xfffffe01f9ff2d90, rbp = 0xfffffe01f9ff2d90 --- range_tree_seg64_compare() at range_tree_seg64_compare+0x4/frame 0xfffffe01f9ff2d90 zfs_btree_find() at zfs_btree_find+0x1bd/frame 0xfffffe01f9ff2df0 range_tree_find_impl() at range_tree_find_impl+0x6e/frame 0xfffffe01f9ff2e30 range_tree_find() at range_tree_find+0x1c/frame 0xfffffe01f9ff2e70 range_tree_contains() at range_tree_contains+0x9/frame 0xfffffe01f9ff2e80 dnode_block_freed() at dnode_block_freed+0x11d/frame 0xfffffe01f9ff2eb0 dbuf_read() at dbuf_read+0x70c/frame 0xfffffe01f9ff2fc0 dmu_buf_hold_array_by_dnode() at dmu_buf_hold_array_by_dnode+0x164/frame 0xfffffe01f9ff3030 dmu_read_impl() at dmu_read_impl+0xce/frame 0xfffffe01f9ff30c0 dmu_read() at dmu_read+0x45/frame 0xfffffe01f9ff3100 zvol_geom_bio_strategy() at zvol_geom_bio_strategy+0x2aa/frame 0xfffffe01f9ff3180 g_io_request() at g_io_request+0x2df/frame 0xfffffe01f9ff31b0 g_dev_strategy() at g_dev_strategy+0x155/frame 0xfffffe01f9ff31e0 physio() at physio+0x4f8/frame 0xfffffe01f9ff3270 devfs_read_f() at devfs_read_f+0xde/frame 0xfffffe01f9ff32d0 dofileread() at dofileread+0x81/frame 0xfffffe01f9ff3320 kern_preadv() at kern_preadv+0x62/frame 0xfffffe01f9ff3360 sys_preadv() at sys_preadv+0x39/frame 0xfffffe01f9ff3390 amd64_syscall() at amd64_syscall+0x140/frame 0xfffffe01f9ff34b0 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01f9ff34b0 --- syscall (289, FreeBSD ELF64, sys_preadv), rip = 0x8006fd89a, rsp = 0x7fffdfdfcf18, rbp = 0x7fffdfdfcfc0 --- Uptime: 4h13m43s Guessing on zvol_geom_bio_strategy(), it's volmode=dev zvol I'm using for bhyve VM. Anything known?