From nobody Wed Mar 6 20:17:46 2024 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TqkJC0kxNz5DF7K for ; Wed, 6 Mar 2024 20:17:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4TqkJB5h25z4Dhk for ; Wed, 6 Mar 2024 20:17:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1709756266; a=rsa-sha256; cv=none; b=XgOiUqLz/+c2LilISeI+tFNv8sXSh17/PPvUqS9kEJEEb3mRvtNQg6OiGnOZ1OOj54ltUn 5nuj0xMzfHaw06IFtyGvIjO6V8AOJNXq9ERdnboXOYtmpXQZ1L1sjIZloebgAUU+FA7fGQ TjcOLsThXFjwFaEV/cNOzVb1bah/I8gPWtbB1bvs+HjrZc34ScFrBZhBnCUkDnOG1dKN7W 2Vk2PdVQqu5SYcnPeLpDtKBKu2OMW8XwQuMLuhzA37+duDH1vqGCIPaiifjC4Vnmt117TE Su1bvgUXyDT3O681jQvkCyesl88/1dVciYWfP4t8jE0OKtA2Ktj+TYPVQI/SdQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1709756266; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=LaS61QLqlOf3QZU/JnpEQMuBRTqj/cVO+srxbXuxNlg=; b=XXuHshuoXkLDQ//t42o4w01x4WjsDkX+iGMMobwjSqZA5+kgOyxL6YEF3JOGmw42EZke9N mhNU4gnw2WLien0fIViTtrHXanQShN3iyvlJx9Yt9AYQ1B7evHUgUYrsE0k+/h0VZwGzLH SSVSXlOFzxi3aEekxTruJsSMWrF3rxRY8zkyJANcsLDysuSmz5/Dxvzq9qHn5/+UQqV6eW yAPLclJ6iBfgWUG1sbZKdilooc4QZwi0hoXHb6YBS+W6iZUetc0v9nVaWhPcYbfkArSxLd V2mMrJBLNCsvqaFRmtOWkwRkNIqrmdUVaAibGdCUng/z3GVi+6y0SKjSUQ8ARQ== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4TqkJB57VVz14M2 for ; Wed, 6 Mar 2024 20:17:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 426KHkYA085606 for ; Wed, 6 Mar 2024 20:17:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 426KHkrT085597 for bugs@FreeBSD.org; Wed, 6 Mar 2024 20:17:46 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 277538] panic: vm_page_assert_unbusied: busy_lock owned by me Date: Wed, 06 Mar 2024 20:17:46 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jfc@mit.edu X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D277538 Bug ID: 277538 Summary: panic: vm_page_assert_unbusied: busy_lock owned by me Product: Base System Version: 15.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: jfc@mit.edu Rebooting after removing a swap device caused a panic panic: vm_page_assert_unbusied: page 0xffffa000e7d451e0 busy_lock 0xd6ba02c2 owned by me (0xffff0000d6ba02c0) @ /usr/src/sys/vm/vm_object.c:897 Longer version: I unplugged a USB drive from an arm64 SBC (RockPro64). It contained the sw= ap device so the system was not happy. I plugged it back in but the system did not understand that the device I plugged in was the same device I removed. = I could not "swapoff" to get the data off the drive. I rebooted and got the panic above. I am running a recent 15.0-CURRENT based on c6a6ec85a70314b8270e25a06e77e2e7c95c7055. No crash dump. The kernel debugger hung when I asked it to dump. It proba= bly could not figure out where to dump. Here is the text on the console: [unplugged swap device] # swapinfo Device 1K-blocks Used Avail Capacity /dev/#C:0xb2 8069120 26852 8042268 0% [plugged device back in] # swapinfo Device 1K-blocks Used Avail Capacity /dev/#C:0xb2 8069120 26852 8042268 0% root@variegatus:~ # reboot Mar 6 20:03:25 variegatus reboot[80617]: rebooted by root swap_pager: I/O error - pagein failed; blkno 3033084,size 4096, error 6 vm_fault: pager read error, pid 50404 (sshd) swap_pager: I/O error - pagein failed; blkno 3033109,size 4096, error 6 vm_fault: pager read error, pid 50402 (sshd) swap_pager: I/O error - pagein failed; blkno 2793364,size 8192, error 6 swap_pager: I/O error - pagein failed; blkno 2793378,size 8192, error 6 swap_pager: I/O error - pagein failed; blkno 2793340,size 8192, error 6 vm_fault: pager read error, pid 2600 (getty) vm_fault: pager read error, pid 2602 (getty) swap_pager: I/O error - pagein failed; blkno 2797106,size 8192, error 6 swap_pager: I/O error - pagein failed; blkno 2793206,size 8192, error 6 swap_pager: I/O error - pagein failed; blkno 2793359,size 20480, error 6 vm_fault: pager read error, pid 87805 (sshd) vm_fault: pager read error, pid 2599 (getty) vm_fault: pager read error, pid 2601 (getty) vm_fault: pager read error, pid 2600 (getty) panic: vm_page_assert_unbusied: page 0xffffa000e7d451e0 busy_lock 0xd6ba02c2 owned by me (0xffff0000d6ba02c0) @ /usr/src/sys/vm/vm_object.c:897 cpuid =3D 4 time =3D 1709755406 KDB: stack backtrace: db_trace_self() at db_trace_self db_trace_self_wrapper() at db_trace_self_wrapper+0x38 vpanic() at vpanic+0x1a8 panic() at panic+0x48 vm_object_terminate() at vm_object_terminate+0x2a4 vm_object_deallocate() at vm_object_deallocate+0x2cc vm_map_process_deferred() at vm_map_process_deferred+0xa8 vm_map_remove() at vm_map_remove+0xc8 vmspace_exit() at vmspace_exit+0x138 exit1() at exit1+0x4e8 sigexit() at sigexit+0x154 postsig() at postsig+0x11c ast_sig() at ast_sig+0x128 ast_handler() at ast_handler+0xc8 ast() at ast+0x24 handle_el0_sync() at handle_el0_sync+0x6c --- exception, esr 0x56000000 KDB: enter: panic [ thread pid 87805 tid 100300 ] --=20 You are receiving this mail because: You are the assignee for the bug.=