{"action":"created","issue":{"url":"https://api.github.com/repos/mozilla/rr/issues/1734","repository_url":"https://api.github.com/repos/mozilla/rr","labels_url":"https://api.github.com/repos/mozilla/rr/issues/1734/labels{/name}","comments_url":"https://api.github.com/repos/mozilla/rr/issues/1734/comments","events_url":"https://api.github.com/repos/mozilla/rr/issues/1734/events","html_url":"https://github.com/mozilla/rr/issues/1734","id":160316370,"number":1734,"title":"Assertion `ticks_now == trace_ticks' failed to hold","user":{"login":"neon12345","id":784389,"avatar_url":"https://avatars.githubusercontent.com/u/784389?v=3","gravatar_id":"","url":"https://api.github.com/users/neon12345","html_url":"https://github.com/neon12345","followers_url":"https://api.github.com/users/neon12345/followers","following_url":"https://api.github.com/users/neon12345/following{/other_user}","gists_url":"https://api.github.com/users/neon12345/gists{/gist_id}","starred_url":"https://api.github.com/users/neon12345/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/neon12345/subscriptions","organizations_url":"https://api.github.com/users/neon12345/orgs","repos_url":"https://api.github.com/users/neon12345/repos","events_url":"https://api.github.com/users/neon12345/events{/privacy}","received_events_url":"https://api.github.com/users/neon12345/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":15,"created_at":"2016-06-15T00:47:53Z","updated_at":"2016-08-11T17:17:55Z","closed_at":null,"body":"I get this error and don't know rr enough to see what is going wrong.\r\n\r\n[FATAL ReplaySession.cc:840:check_ticks_consistency() errno: SUCCESS] \r\n (task 7646 (rec:6129) at time 45583)\r\n -> Assertion `ticks_now == trace_ticks' failed to hold. ticks mismatch for 'SYSCALL: munmap'; expected 4306038, got 4306037"},"comment":{"url":"https://api.github.com/repos/mozilla/rr/issues/comments/239228348","html_url":"https://github.com/mozilla/rr/issues/1734#issuecomment-239228348","issue_url":"https://api.github.com/repos/mozilla/rr/issues/1734","id":239228348,"user":{"login":"nbp","id":1179566,"avatar_url":"https://avatars.githubusercontent.com/u/1179566?v=3","gravatar_id":"","url":"https://api.github.com/users/nbp","html_url":"https://github.com/nbp","followers_url":"https://api.github.com/users/nbp/followers","following_url":"https://api.github.com/users/nbp/following{/other_user}","gists_url":"https://api.github.com/users/nbp/gists{/gist_id}","starred_url":"https://api.github.com/users/nbp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nbp/subscriptions","organizations_url":"https://api.github.com/users/nbp/orgs","repos_url":"https://api.github.com/users/nbp/repos","events_url":"https://api.github.com/users/nbp/events{/privacy}","received_events_url":"https://api.github.com/users/nbp/received_events","type":"User","site_admin":false},"created_at":"2016-08-11T17:17:55Z","updated_at":"2016-08-11T17:17:55Z","body":"I have a similar issue while replaying firefox under rr 4.2.0, rr 4.3.0 fails with a different error message which spew all the different register content.\r\n\r\nHere is the error message I got while replaying with `rr -M replay -a`:\r\n\r\n```\r\n…\r\n[rr 2172 113952][Child 2172] WARNING: No inner window available!: file /home/nicolas/mozilla/alternate-dev/dom/base/nsGlobalWindow.cpp, line 10026\r\n[rr 2172 113955][Child 2172] WARNING: No inner window available!: file /home/nicolas/mozilla/alternate-dev/dom/base/nsGlobalWindow.cpp, line 10026\r\n[rr 2172 115132]++DOMWINDOW == 2 (0x1822d10) [pid = 2172] [serial = 2] [outer = 0x173b200]\r\n[FATAL /tmp/nix-build-rr-4.2.0.drv-0/rr-4.2.0-src/src/ReplaySession.cc:742:check_ticks_consistency() errno: 0 'Success'] \r\n (task 3747 (rec:2091) at time 124280)\r\n -> Assertion `ticks_now == trace_ticks' failed to hold. ticks mismatch for 'SYSCALL: setsockopt'; expected 8318556, got 8318560\r\nLaunch gdb with\r\n  gdb /home/nicolas/.local/share/rr/firefox-25/mmap_1_hardlink_firefox\r\nand attach to the rr debug server with:\r\n  target remote :3747\r\n```\r\n\r\nLooking for the dump command as suggested before, and selecting the one with the matching global time, I have:\r\n\r\n```\r\n{\r\n  real_time:1440395.697027 global_time:124280, event:`SYSCALL: setsockopt' (state:ENTERING_SYSCALL) tid:2091, ticks:8318556\r\n rax:0xffffffffffffffda rbx:0x36 rcx:0xffffffffffffffff rdx:0x4 rsi:0x6 rdi:0x30 rbp:0x7f4fd2375250 rsp:0x7f4fd2374fb0 r8:0x4 r9:0xd1 r10:0x7f4fd2375238 r11:0x246 r12:0x0 r13:0x7ffe0c93ce3f r14:0x3 r15:0x7f4fd23750b0 rip:0x70000002 eflags:0x246 cs:0x33 ss:0x2b ds:0x0 es:0x0 fs:0x0 gs:0x0 orig_rax:0x36 fs_base:0x7f4fd2376700 gs_base:0x0\r\n}\r\n```\r\n"}}
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