Date: Mon, 17 Nov 1997 00:39:38 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Kevin Keyser <keyser@clio.rice.edu> Cc: questions@FreeBSD.ORG Subject: Re: systat gives Fatal trap 12 Message-ID: <Pine.BSF.3.96.971117003850.9641f-100000@gdi.uoregon.edu> In-Reply-To: <9711152259.AA15279@clio.rice.edu>
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On Sat, 15 Nov 1997, Kevin Keyser wrote: > I have 2.2.5R running on a 486/33. Sometimes (about 1 in 5) when I run > "systat -vmstat" I get the following: > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x229150f3 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xf011b45e > stack pointer = 0x10:0xefbfff10 > frame pointer = 0x10:0xefbfff54 > 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 = 197 (systat) > interrupt mask = > panic: page fault > > syncing disks... > <and so on> > > Has anyone else had this happen? Any ideas? Thanks. Can't say I have here. Try rebuilding systat. FYI, the failure happens in here somewhere: gdi,ttyp3,~ftp/pub,63>nm /kernel | grep f011b f011b790 t _pipe_close f011b578 t _pipe_ioctl f011b60c t _pipe_select f011b6d0 T _pipe_stat f011b038 t _pipe_write f011b7b4 t _pipeclose f011b950 T _ptrace f011bfc8 T _soo_ioctl f011bf90 t _soo_read f011bfac t _soo_write f011bf78 T _trace_req f011b950 F sys_process.o f011bf90 F sys_socket.o It's either the pipe_ioctl or _trace_req... Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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