Date: Wed, 19 Feb 2003 13:12:53 -0800 From: Lars Eggert <larse@ISI.EDU> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: current@freebsd.org, craig@xfoil.gank.org Subject: Re: Page fault on disk-less machine Message-ID: <3E53F355.7060604@isi.edu> In-Reply-To: <4239.1045685928@critter.freebsd.dk> References: <4239.1045685928@critter.freebsd.dk>
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This is a cryptographically signed message in MIME format. --------------ms020002090605050409070600 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Poul-Henning Kamp wrote: > Fatal trap 12: page fault while in kernel mode FWIW, Craig Boston and me see the same panics (threads on -current: "panic starting gnome" and "VFS panic (possibly NFS-locking related?)"). > fault virtual address = 0x34 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc018fd20 > stack pointer = 0x10:0xc5fd27a4 > frame pointer = 0x10:0xc5fd27c0 > 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 = 414 (cron) > kernel: type 12 trap, code=0 > Stopped at 0xc018fd20 = _mtx_lock_flags+0x40: cmpl $0xc02c1160,0(%ecx) > db> trace > _mtx_lock_flags(34,0,c02a5f56,9e,c0d9e1e0) at 0xc018fd20 = _mtx_lock_flags+0x40 > namei(c5fd29b8,c5fd2c34,c044,c0570d00,c0d9e1e0) at 0xc01de06d = namei+0x16d > vn_open_cred(c5fd29b8,c5fd2980,0,c0554e00,c02167cf) at 0xc01efce8 = vn_open_cred+0x258 > nfs_dolock(c5fd2b98,758,c0e066a8,c0db3e10,c0e066a8) at 0xc02230f5 = nfs_dolock+0x2c5 > nfs_advlock(c5fd2b98,0,c029ee60,761,c02b6800) at 0xc0222578 = nfs_advlock+0x58 > fdrop_locked(c0db3e10,c0d9e1e0,c029ee60,69e,6002) at 0xc017fa28 = fdrop_locked+0x138 > fdrop(c0db3e10,c0d9e1e0,c018fe06,c03b3e58,6002) at 0xc017f50e = fdrop+0x3e > closef(c0db3e10,c0d9e1e0,c029ee60,595,0) at 0xc017f4bc = closef+0x12c > fdfree(c0d9e1e0,0,c029f2f4,f2,1) at 0xc017ed46 = fdfree+0x116 > exit1(c0d9e1e0,100,c029f2f4,73,c5fd2d40) at 0xc0184bc7 = exit1+0x3b7 > sys_exit(c0d9e1e0,c5fd2d10,c02b0451,407,1) at 0xc0184801 = sys_exit+0x41 > syscall(2f,2f,2f,0,ffffffff) at 0xc027dc07 = syscall+0x257 > Xint0x80_syscall() at 0xc026dabd = Xint0x80_syscall+0x1d > --- syscall (1, FreeBSD ELF32, sys_exit), eip = 0x280c36bf, esp = 0xbfbffbec, ebp = 0xbfbffc08 --- > db> > Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms020002090605050409070600 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw 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