Date: Thu, 14 Jul 2005 14:55:52 +0200 From: Marc Olzheim <marcolz@stack.nl> To: FreeBSD-gnats-submit@FreeBSD.org, freebsd-bugs@FreeBSD.org Cc: Marc Olzheim <marcolz@stack.nl> Subject: Re: kern/83375: Fatal trap 12 cloning a pty Message-ID: <20050714125552.GA26456@stack.nl> In-Reply-To: <20050713200405.GA66432@stack.nl> References: <200507130926.j6D9QB6T001062@synth.ilse.net> <200507130930.j6D9UDHL028973@freefall.freebsd.org> <20050713200405.GA66432@stack.nl>
next in thread | previous in thread | raw e-mail | index | archive | help
And another FreeBSD 5.4-STABLE trace, now the 'close()' variant:
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 06
fault virtual address = 0x3b26cff8
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0554a9c
stack pointer = 0x10:0xebd4bb48
frame pointer = 0x10:0xebd4bb4c
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 = 54879 (screen)
[thread pid 54879 tid 100324 ]
Stopped at 0xc0554a9c = ptcclose+0x10: movl 0xc06fcc80 = linesw(,%eax,4),%eax
db> tr
Tracing pid 54879 tid 100324 td 0xc6409600
ptcclose(c6814a00,7,2000,c6409600,c06fcf40) at 0xc0554a9c = ptcclose+0x10
spec_close(ebd4bb90,ebd4bbb8,c057e18a,ebd4bb90,c0716660) at 0xc04f0357 = spec_close+0x277
spec_vnoperate(ebd4bb90) at 0xc04ef49f = spec_vnoperate+0x13
vn_close(c67bc318,7,c7434900,c6409600,c6409600) at 0xc057e18a = vn_close+0x5a
vn_closefile(c6ad0d48,c6409600) at 0xc057f05e = vn_closefile+0xaa
fdrop_locked(c6ad0d48,c6409600,c5628a54,0,c06b951b) at 0xc050b394 = fdrop_locked+0x88
fdrop(c6ad0d48,c6409600,ffffffdf,80a767c,0) at 0xc050b304 = fdrop+0x24
closef(c6ad0d48,c6409600,0,c067d1f8,5) at 0xc0509e0f = closef+0x313
close(c6409600,ebd4bd04,1,1,246) at 0xc050792f = close+0x1a3
syscall(bfbf002f,2f,bfbf002f,80a5000,80a5000) at 0xc067d05b = syscall+0x227
Xint0x80_syscall() at 0xc066c95f = Xint0x80_syscall+0x1f
--- syscall (6, FreeBSD ELF32, close), eip = 0x2816c79b, esp = 0xbfbfd23c, ebp = 0xbfbfd258 ---
db>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050714125552.GA26456>