From owner-freebsd-bugs@freebsd.org Sat Mar 11 18:17:24 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9FA77D08FD4 for ; Sat, 11 Mar 2017 18:17:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 6C20D1B4 for ; Sat, 11 Mar 2017 18:17:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v2BIHO9I078157 for ; Sat, 11 Mar 2017 18:17:24 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 217708] panic: pfs_add_node() homonymous siblings in sys/fs/pseudofs/pseudofs.c Date: Sat, 11 Mar 2017 18:17:24 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dch@skunkwerks.at X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Mar 2017 18:17:24 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217708 --- Comment #1 from Dave Cottlehuber --- root@akai /u/o/u/s/s/GENERIC# kgdb kernel.debug /var/crash/vmcore.last=20 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain condition= s. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-marcel-freebsd"... Unread portion of the kernel message buffer: [327] vt_kms_postswitch() at vt_kms_postswitch+0x52/frame 0xfffffe0464f80430 [327] vt_window_switch() at vt_window_switch+0xdb/frame 0xfffffe0464f80470 [327] vtterm_cngrab() at vtterm_cngrab+0x20/frame 0xfffffe0464f80490 [327] cngrab() at cngrab+0x32/frame 0xfffffe0464f804b0 [327] vpanic() at vpanic+0x10a/frame 0xfffffe0464f80530 [327] kassert_panic() at kassert_panic+0x126/frame 0xfffffe0464f805a0 [327] pfs_add_node() at pfs_add_node+0x114/frame 0xfffffe0464f805d0 [327] pfs_create_link() at pfs_create_link+0xc5/frame 0xfffffe0464f80620 [327] linprocfs_dirfill() at linprocfs_dirfill+0x9c/frame 0xfffffe0464f80680 [327] pfs_iterate() at pfs_iterate+0x251/frame 0xfffffe0464f806f0 [327] Dumping 1034 out of 16254 MB: (CTRL-C to abort) ..2%..11%..21%..31%..41%..52%..61%..72%..81%..92% ... Loaded symbols for /boot/kernel/debugfs.ko #0 doadump (textdump=3D0) at pcpu.h:232 232 __asm("movq %%gs:%1,%0" : "=3Dr" (td) (kgdb) list 227 static __inline __pure2 struct thread * 228 __curthread(void) 229 { 230 struct thread *td; 231=20=20=20=20=20 232 __asm("movq %%gs:%1,%0" : "=3Dr" (td) 233 : "m" (*(char *)OFFSETOF_CURTHREAD)); 234 return (td); 235 } 236 #ifdef __clang__ Current language: auto; currently minimal up #1 0xffffffff83ef3697 in vt_kms_postswitch (arg=3D) at /usr/src/sys/modules/drm/drm/../../../dev/drm/linux_fb.c:80 I had to stop here as my source was already pulled for building a new kerne= l.. I'll finish that and re-try this very repeatable crash. --=20 You are receiving this mail because: You are the assignee for the bug.=