Date: Tue, 26 Jul 2005 19:36:22 +0200 (CEST) From: Harald Schmalzbauer <harry@schmalzbauer.de> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/84135: ggatec destroy panics BETA-1 Message-ID: <200507261736.j6QHaM9i000777@test3.flintsbach.schmalzbauer.de> Resent-Message-ID: <200507261740.j6QHeJqK041912@freefall.freebsd.org>
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>Number: 84135 >Category: kern >Synopsis: ggatec destroy panics BETA-1 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jul 26 17:40:19 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Harald Schmalzbauer >Release: FreeBSD 6.0-BETA1 i386 >Organization: >Environment: System: FreeBSD test3.flintsbach.schmalzbauer.de 6.0-BETA1 FreeBSD 6.0-BETA1 #0: Tue Jul 26 17:19:31 CEST 2005 root@test3.flintsbach.schmalzbauer.de:/usr/obj/CUV-LV/usr/src/sys/CUV-LV i386 >Description: Even if the ggate provider is not used, destroying it panics the system with debug options, without WITNESS and INVARIANTS no panic occur >How-To-Repeat: ggatec create 10.10.10.2 /dev/ad2p1 ggate0 test3:/#37: ggatec destroy -u 0 GEOM_GATE: Device ggate0 destroyed. Fatal trap 12: page fault while in kernel mode fault virtual address = 0xdeadc0de fault code = supervisor read, page not present instruction pointer = 0x20:0xc05d39d6 stack pointer = 0x28:0xd5d79ad8 frame pointer = 0x28:0xd5d79ad8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 403 (ggatec) [thread pid 403 tid 100079 ] Stopped at strlen+0x6: cmpb $0,0(%edx) db> trace Tracing pid 403 tid 100079 td 0xc1d23900 strlen(deadc0de,d5d79bc0,c1d2210c,c1d22000,19) at strlen+0x6 kvprintf(c0738f70,c0580440,d5d79bc0,a,d5d79c00) at kvprintf+0xba8 vsnprintf(c079e400,100,c0738f70,d5d79bfc,c1d23900) at vsnprintf+0x3d panic(c0738f70,deadc0de,c0731b02,21d,c1d23900) at panic+0x10a _mtx_lock_flags(c1f20038,0,c0731b02,21d,0) at _mtx_lock_flags+0x114 g_gate_ioctl(c19afa00,c0286d03,c1d1cdc0,3,c1d23900) at g_gate_ioctl+0x190 devfs_ioctl_f(c1d4b948,c0286d03,c1d1cdc0,c1954d00,c1d23900) at devfs_ioctl_f+0x74 ioctl(c1d23900,d5d79d04,c,16,3) at ioctl+0x118 syscall(3b,3b,3b,0,0) at syscall+0x135 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x 0xbfbde51c, ebp = 0xbfbde538 --- db> >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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