Date: Sat, 18 Oct 2014 20:29:40 -0400 From: Allan Jude <allanjude@freebsd.org> To: freebsd-current@freebsd.org Subject: Re: kernel page fault with nfs Message-ID: <544305F4.4030903@freebsd.org> In-Reply-To: <10171630.Vr2tvlANVU@noxon.firefly> References: <3430961.Iq02vNgBU7@noxon.firefly> <1995323.F02irpmLMA@ralph.baldwin.cx> <CAOfEmZhaEJ-Qk9qmtpJ6oin83Ygu3eKycd9LC94VFMWYZuQZBA@mail.gmail.com> <10171630.Vr2tvlANVU@noxon.firefly>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --R9M3jtooiO8AdBf1gCvSRlGSjqQpE9har Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2014-10-18 18:48, Tobias C. Berner wrote: > Hi >=20 > World ist from october 16, installed world and kernel then.=20 > Kernel was later rebuilt with debug-options. >=20 >=20 > Is the following more sensible? > ################################################## > # kgdb NOXON/kernel.debug vmcore.1=20 > Fatal trap 12: page fault while in kernel mode > cpuid =3D 5; apic id =3D 05 > fault virtual address =3D 0xfffffe07d1744000 > fault code =3D supervisor write data, page not present > instruction pointer =3D 0x20:0xffffffff80d4d58a > stack pointer =3D 0x28:0xfffffe086057f240 > frame pointer =3D 0x28:0xfffffe086057f2f0 > code segment =3D base 0x0, limit 0xfffff, type 0x1b > =3D DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > current process =3D 6524 (python2.7) >=20 >=20 > (kgdb) bt > #0 doadump (textdump=3D1) at pcpu.h:219 > #1 0xffffffff80926b6d in kern_reboot (howto=3D260) at=20 > /usr/src/sys/kern/kern_shutdown.c:447 > #2 0xffffffff809270c0 in panic (fmt=3D<value optimized out>) at=20 > /usr/src/sys/kern/kern_shutdown.c:746 > #3 0xffffffff8035f167 in db_panic (addr=3D<value optimized out>, have_= addr=3D2,=20 > count=3D0, modif=3D0x0) at /usr/src/sys/ddb/db_command.c:473 > #4 0xffffffff8035ed7d in db_command (cmd_table=3D0x0) at=20 > /usr/src/sys/ddb/db_command.c:440 > #5 0xffffffff8035eaf4 in db_command_loop () at /usr/src/sys/ddb/db_com= mand.c:493 > #6 0xffffffff80361600 in db_trap (type=3D<value optimized out>, code=3D= 0) at=20 > /usr/src/sys/ddb/db_main.c:251 > #7 0xffffffff80966f01 in kdb_trap (type=3D12, code=3D0, tf=3D<value op= timized out>) at=20 > /usr/src/sys/kern/subr_kdb.c:654 > #8 0xffffffff80d4fa7c in trap_fatal (frame=3D0xfffffe086057f190, eva=3D= <value optimized=20 > out>) at /usr/src/sys/amd64/amd64/trap.c:861 > #9 0xffffffff80d4fe0c in trap_pfault (frame=3D0xfffffe086057f190, user= mode=3D<value=20 > optimized out>) at /usr/src/sys/amd64/amd64/trap.c:677 > #10 0xffffffff80d4f42e in trap (frame=3D0xfffffe086057f190) at=20 > /usr/src/sys/amd64/amd64/trap.c:426 > #11 0xffffffff80d33972 in calltrap () at /usr/src/sys/amd64/amd64/excep= tion.S:231 > #12 0xffffffff80d4d58a in bzero () at /usr/src/sys/amd64/amd64/support.= S:53 > #13 0xffffffff80830463 in ncl_doio (vp=3D0xfffff801e7f99938, bp=3D0xfff= ffe07c5a168e8,=20 > cr=3D<value optimized out>, td=3D<value optimized out>, called_from_str= ategy=3D<value=20 > optimized out>) > at /usr/src/sys/fs/nfsclient/nfs_clbio.c:1648 > #14 0xffffffff80831acf in ncl_write (ap=3D<value optimized out>) at=20 > /usr/src/sys/fs/nfsclient/nfs_clbio.c:1124 > #15 0xffffffff80e646a5 in VOP_WRITE_APV (vop=3D<value optimized out>, a= =3D<value=20 > optimized out>) at vnode_if.c:997 > #16 0xffffffff809f52f9 in vn_write (fp=3D0xfffff80101c62780, uio=3D0xff= fffe086057f970,=20 > active_cred=3D<value optimized out>, flags=3D320, td=3D0x0) at vnode_if= =2Eh:413 > #17 0xffffffff809f5602 in vn_io_fault_doio (args=3D<value optimized out= >, uio=3D0xa00,=20 > td=3D0x0) at /usr/src/sys/kern/vfs_vnops.c:991 > #18 0xffffffff809f2aec in vn_io_fault1 () at /usr/src/sys/kern/vfs_vnop= s.c:1047 > #19 0xffffffff809f0e3b in vn_io_fault (fp=3D0xfffff80101c62780, uio=3D0= xfffffe086057f970,=20 > active_cred=3D<value optimized out>, flags=3D0, td=3D0xfffff80171d79920= ) > at /usr/src/sys/kern/vfs_vnops.c:1152 > #20 0xffffffff80982357 in dofilewrite (td=3D0xfffff80171d79920, fd=3D19= ,=20 > fp=3D0xfffff80101c62780, auio=3D0xfffffe086057f970, offset=3D<value opt= imized out>,=20 > flags=3D0) at file.h:306 > #21 0xffffffff80982088 in kern_writev (td=3D0xfffff80171d79920, fd=3D19= ,=20 > auio=3D0xfffffe086057f970) at /usr/src/sys/kern/sys_generic.c:467 > #22 0xffffffff80982013 in sys_write (td=3D<value optimized out>, uap=3D= <value=20 > optimized out>) at /usr/src/sys/kern/sys_generic.c:382 > #23 0xffffffff80d5051b in amd64_syscall (td=3D0xfffff80171d79920, trace= d=3D0) at=20 > subr_syscall.c:133 > #24 0xffffffff80d33c5b in Xfast_syscall () at=20 > /usr/src/sys/amd64/amd64/exception.S:390 > #25 0x000000080137de4a in ?? () > ################################################## >=20 >=20 >=20 > Thanks in advance,=20 > Tobias Berner >=20 >=20 > On Saturday 18 October 2014 20.43:12 Marcelo Araujo wrote: >> When you rebuild your system, did you rebuild and install all kernel a= nd >> world? >> >> Best Regards, >> >> On Oct 18, 2014 7:57 PM, "John Baldwin" <jhb@freebsd.org> wrote: >>> On Friday, October 17, 2014 11:11:26 PM Tobias C. Berner wrote: >>>> Hi >>>> >>>> >>>> For some days now I've had problems with my current (last test with >>>> r273178M). >>>> >>>> Sometimes when accessing a nfs-share there is a pagefault: >>>> >>>> > ################################################## > ##### >>>> Fatal trap 12: page fault while in kernel mode >>>> cpuid =3D 7; apic id =3D 07 >>>> fault virtual address =3D 0xfffffe07cfe60400 >>>> fault code =3D supervisor read data, page not present >>>> instruction pointer =3D 0x20:0xffffffff80d4d4b6 >>>> stack pointer =3D 0x28:0xfffffe086088b380 >>>> frame pointer =3D 0x28:0xfffffe086088b3f0 >>>> code segment =3D base 0x0, limit 0xfffff, type 0x1b >>>> >>>> =3D DPL 0, pres 1, long 1, def32 0, gran 1 >>>> >>>> processor eflags =3D interrupt enabled, resume, IOPL =3D 0 >>>> current process =3D 43868 (mplayer) >>>> >>>> >>>> #0 0xffffffff80926d29 in shutdown_nice (howto=3D1) at >>>> /usr/src/sys/kern/kern_shutdown.c:207 >>>> #1 0xffffffff80926a2d in kern_reboot (howto=3D260) at >>>> /usr/src/sys/kern/kern_shutdown.c:444 >>>> #2 0xffffffff80926f80 in panic (fmt=3D0x104 <Address 0x104 out of >>> >>> bounds>) at >>> >>>> /usr/src/sys/kern/kern_shutdown.c:698 >>>> #3 0xffffffff8035f147 in panic_cmd_del (arg=3D0x0) at >>>> /usr/src/sys/ddb/db_command.c:244 >>>> #4 0xffffffff8035ed5d in db_command (cmd_table=3D0x0) at >>>> /usr/src/sys/ddb/db_command.c:439 >>>> #5 0xffffffff8035ead4 in db_command_loop () at >>>> /usr/src/sys/ddb/db_command.c:488 #6 0xffffffff803615e0 in db_trap >>>> (type=3D<value optimized out>, code=3D0) at /usr/src/sys/ddb/db_main= =2Ec:247 >>>> #7 0xffffffff80966db1 in kdb_trap (type=3D12, code=3D0, >>> >>> tf=3D0xfffffe086088b2d0) > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.o= rg" >=20 Note: you can use uname -K and uname -U to compare the versions of your kernel and userland to make sure they are in sync. --=20 Allan Jude --R9M3jtooiO8AdBf1gCvSRlGSjqQpE9har Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQIcBAEBAgAGBQJUQwX3AAoJEJrBFpNRJZKfMAwP/0t5uw3aA/0H13yUGg0Jhiuz BlqScBXgJM9tnU9xT0iux+KdgnkQR+DfAMkjCTaSA/vtD+lmB9S9UN4LM/GaV/bN Ql8V78eW2/yxQn8GYJHnyR5E4Zxq+YiPtOYJLs8qc6eLes+Gs82hDdrHd4ZqVjS+ sWOWE8TIHC8AcGlYpUsFzia63vywI1Ljfr/m/MlWO068FvaLi6kZUJlZcZtIdB0O PmqBrqj+8h8rjHi37GtzyHOv/0YiawYb1uHMvJrzuUE4Jj0AvMg5xOsLW7jEExqQ iCG2WG2MNC+qgyX2T+XLKssXcPn5cGXc5MPZqoD+cK5SE1ztR6LJMLZQsq3OyJXR oHjaqHwywkUCDm93tFcCLUbrLyPhXQ3dR9h67AmicL9HTthb+zPt/aVnnPup5jsG V4af8+yvZ/0DSd0/N/ehGLPnYPXDnV1+lbuiG3HvMavGEUMN5SRyLUY/6i1donKO gxiAwd8xi5FhF4JcsLzuakxxMd79b32AOgt8nA6FCZedqI1utXasn2+QbHy6pD60 XWxSy6iW63tUrj5iRo5JX5o75h/9M3Ho3uD1rl7LRYfSbk19pRAFslOh/6mS4Kkm DVyBWW2c2TrnsApLRa0kvoNUpGAja7CgWJKNDvgsAeELyrv2qziY5/a0W4hSCLQG SesKZMNrApQTaA3PXHIB =27Um -----END PGP SIGNATURE----- --R9M3jtooiO8AdBf1gCvSRlGSjqQpE9har--
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