Re: kern/39127: kernel crashes while attaching pnpbios

[Matthias Pfaller <leo%marco.de@localhost>]

The following reply was made to PR kern/39127; it has been noted by GNATS.

From: Matthias Pfaller <leo%marco.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/39127: kernel crashes while attaching pnpbios
Date: Fri, 11 Jul 2008 13:42:16 +0200

 Quentin Garnier wrote:
 > The following reply was made to PR kern/39127; it has been noted by GNATS.
 > 
 > From: Quentin Garnier <cube%cubidou.net@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: 
 > Subject: Re: kern/39127: kernel crashes while attaching pnpbios
 > Date: Fri, 11 Jul 2008 12:56:49 +0200
 > 
 >  --boAH8PqvUi1v1f55
 >  Content-Type: text/plain; charset=us-ascii
 >  Content-Disposition: inline
 >  Content-Transfer-Encoding: quoted-printable
 >  
 >  On Fri, Jul 11, 2008 at 10:10:01AM +0000, leo%marco.de@localhost wrote:
 >  [...]
 >  > The crash happens in cfdriver_get_iattr. The last pnpbios function that
 >  > can be seen in the backtrace is pnpbios_attachnode. If needed, I can
 >  > connect a serial console and provide a ddb traceback.
 >  
 >  Yes, please.
 
 booting hd0a:netbsd.bad
 Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
      2006, 2007, 2008
      The NetBSD Foundation, Inc.  All rights reserved.
 Copyright (c) 1982, 1986, 1989, 1991, 1993
      The Regents of the University of California.  All rights reserved.
 
 NetBSD 4.99.69 (JOGHURT) #28: Fri Jul 11 13:31:20 CEST 2008
        leo@joghurt:/usr/src/sys/arch/i386/compile/JOGHURT
 total memory = 1015 MB
 avail memory = 993 MB
 Dell Computer Corporation OptiPlex SX260
 mainbus0 (root)
 mainbus0: Intel MP Specification (Version 1.4) (DELL     Opti SX260  )
 cpu0 at mainbus0 apid 0: Intel 686-class, 1992MHz, id 0xf27
 ioapic0 at mainbus0 apid 1
 pnpbios0 at mainbus0: nodes 14, max len 248
 uvm_fault(0xc0481ec0, 0, 1) -> 0xe
 fatal page fault in supervisor mode
 trap type 6 code 0 eip c026aca7 cs 8 eflags 10286 cr2 1c ilevel 8
 kernel: supervisor trap page fault, code=0
 Stopped in pid 0.1 (system) at  netbsd:cfdriver_get_iattr+0xb:  movl 
 0x1c(%eax),%eax
 db{0}> t
 
cfdriver_get_iattr(4,c0422ca8,c03ab830,c0422ca8,c03ab830,c0471b1c,c051fa38,c026b1ca,10,c042c0e0)
 
 at netbsd:cfdriver_get_iattr+0xb
 
cfparent_match(10,c042c0e0,1,c0395944,c186715c,c026afa8,c1869f60,c051fa70,c051fb08,0)
 
 at netbsd:cfparent_match+0x1d
 
config_search_loc(c026afa8,c1869f60,c03e2a17,c051fa70,c051fb08,0,c186716a,c051fb28,c1867100,6a)
 
 at netbsd:config_search_loc+0xa6
 pnpbios_attachchild(0,0,c1869f60,0,0,0,0,0,0,c051faa0) at 
 netbsd:pnpbios_attachchild+0x2b
 pnpbios_attachnode(6a,1,1,0,c1867200,40,0,c186721c,c186761c,0) at 
 netbsd:pnpbios_attachnode+0x22d
 
pnpbios_attach(c1867600,c1867200,c051fc0c,c1867200,cb1731b0,0,c1867200,c1867600,a,0)
 
 at netbsd:pnpbios_attach+0x23a
 config_attach_loc(c1867600,c04239c8,0,c051fc0c,0,0,c051fbe8,c0395b17,a,0) 
 at netbsd:config_attach_loc+0x12c
 config_found_ia(c1867600,c03e2b9d,c051fc0c,0,c03f6389,5,0,c04a6f80,8,c03f6376) 
 at netbsd:config_found_ia+0x1b
 mainbus_attach(0,c1867600,0,c1867600,0,c0423248,c1867600,0,c03e2895,523000) 
 at netbsd:mainbus_attach+0x1fc
 config_attach_loc(0,c0423248,0,0,0,c0423248,1,0,c03e2895,523000) at 
 netbsd:config_attach_loc+0x12c
 config_attach(0,c0423248,0,0,c051c00c,51c000,c051fcf8,c02d18f9,c03e2895,0) 
 at netbsd:config_attach+0x19
 
config_rootfound(c03e2895,0,c051fcf8,c02d18ea,51c000,c051c00c,c051fd08,c026c297,c051c00c,c051c00c)
 
 at netbsd:config_rootfound+0x27
 cpu_configure(c051c00c,c051c00c,c051fd38,c023cee6,0,0,0,0,0,0) at 
 netbsd:cpu_configure+0x25
 configure(0,0,0,0,0,0,c051fd48,c051c00c,51c000,523000) at 
 netbsd:configure+0x2b
 main(0,c01002cd,0,0,0,0,0,0,0,0) at netbsd:main+0x166
 db{0}> reboot
 
 The operating system has halted.
 Please press any key to reboot.
 
 rebooting...
 
 -- 
 Matthias Pfaller                          Software-Entwicklung
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