6.2-RELEASE - Fatal trap 12 - nvidia driver ?

Kostik Belousov kostikbel at gmail.com
Thu Feb 1 11:23:57 UTC 2007


On Thu, Feb 01, 2007 at 11:39:33AM +0100, Henri Hennebert wrote:
> Hello,
> 
> I experience Fatal trap 12 when I shutdown if I have run the X server 
> (with nvidia driver 1.0.9746). This crash happen 4/5 of the time. It is 
> in devfs_populate_loop() in devfs.c. I don't have the vmcore anymore :-/.
> 
> To look futher, I add options INVARIANTS (and INVARIANT_SUPPORT) and now 
> the crash happen when I start the X server (startxfce4) when the splash 
> screen is dispayed.
> 
> The loaded modules are:
> 
> [root at morzine ~]# kldstat
> Id Refs Address    Size     Name
>  1   15 0xc0400000 40ccc0   kernel
>  2    1 0xc080d000 42e8     if_tap.ko
>  3    1 0xc0812000 2cbc     ng_ether.ko
>  4    2 0xc0815000 c83c     netgraph.ko
>  5    2 0xc0822000 3d604    sound.ko
>  6    1 0xc0860000 4f7c     acpi_video.ko
>  7    2 0xc0865000 59f5c    acpi.ko
>  8    1 0xc08bf000 6d2b2c   nvidia.ko
>  9    1 0xc0f92000 10340    snd_hda.ko
> 10    1 0xc6fe7000 2000     accf_http.ko
> 11    1 0xc703f000 3000     daemon_saver.ko
> 
> 
> sound.ka and snd_hda.ko are from http://people.freebsd.org/~ariff/.
> 
> The chash informations:
> 
> [root at morzine MORZINE_INVARIANTS]# kgdb kernel.debug /backup/crash/vmcore.8
> [GDB will not be able to debug user-mode threads: 
> /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
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> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-marcel-freebsd".
> 
> Unread portion of the kernel message buffer:
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 01
> fault virtual address   = 0xdeadc0de
> fault code              = supervisor read, page not present
> instruction pointer     = 0x20:0xc04c8aa3
> stack pointer           = 0x28:0xe91a783c
> frame pointer           = 0x28:0xe91a7858
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 3
> current process         = 1093 (Xorg)
> trap number             = 12
> panic: page fault
> cpuid = 0
> KDB: stack backtrace:
> kdb_backtrace(100,c6ec2780,28,e91a77fc,c,...) at kdb_backtrace+0x29
> panic(c06af91d,c06e7c67,0,fffff,c09b,...) at panic+0x114
> trap_fatal(e91a77fc,deadc0de,c6ec2780,c1462000,deadc000,...) at 
> trap_fatal+0x2ce
> trap_pfault(e91a77fc,0,deadc0de) at trap_pfault+0x187
> trap(8,e91a0028,28,c7245900,c72d6980,...) at trap+0x341
> calltrap() at calltrap+0x5
> --- trap 0xc, eip = 0xc04c8aa3, esp = 0xe91a783c, ebp = 0xe91a7858 ---
> devfs_populate_loop(c6b9a500,0) at devfs_populate_loop+0x7b
> devfs_populate(c6b9a500,c6bb6b1c,b7,c6ce8005,0,...) at devfs_populate+0x32
> devfs_lookupx(e91a79c4,e91a795c,c6b9a514,c06bbb19,299) at 
> devfs_lookupx+0x1db
> devfs_lookup(e91a79c4) at devfs_lookup+0x3b
> VOP_LOOKUP_APV(c06fc1c0,e91a79c4) at VOP_LOOKUP_APV+0x87
> lookup(e91a7bcc) at lookup+0x4d9
> namei(e91a7bcc) at namei+0x3be
> vn_open_cred(e91a7bcc,e91a7ccc,c0,c6ffb900,e,...) at vn_open_cred+0x277
> vn_open(e91a7bcc,e91a7ccc,c0,e) at vn_open+0x1e
> kern_open(c6ec2780,bfbfe2c0,0,3,bfbfe2c0,...) at kern_open+0xe1
> open(c6ec2780,e91a7d04) at open+0x1a
> syscall(3b,872003b,bfbf003b,0,8202000,...) at syscall+0x247
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> --- syscall (5, FreeBSD ELF32, open), eip = 0x282ba4b3, esp = 
> 0xbfbfe27c, ebp = 0xbfbfe358 ---
> Uptime: 2m4s
> Dumping 2046 MB (2 chunks)
>   chunk 0: 1MB (158 pages) ... ok
>   chunk 1: 2046MB (523760 pages) 2030 2014 1998 1982 1966 1950 1934 
> 1918 1902 1886 1870 1854 1838 1822 1806 1790 1774 1758 1742 1726 1710 
> 1694 1678 1662 1646 1630 1614 1598 1582 1566 1550 1534 1518 1502 1486 
> 1470 1454 1438 1422 1406 1390 1374 1358 1342 1326 1310 1294 1278 1262 
> 1246 1230 1214 1198 1182 1166 1150 1134 1118 1102 1086 1070 1054 1038 
> 1022 1006 990 974 958 942 926 910 894 878 862 846 830 814 798 782 766 
> 750 734 718 702 686 670 654 638 622 606 590 574 558 542 526 510 494 478 
> 462 446 430 414 398 382 366 350 334 318 302 286 270 254 238 222 206 190 
> 174 158 142 126 110 94 78 62 46 30 14
> 
> #0  doadump () at pcpu.h:165
> 165             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> (kgdb) bt
> #0  doadump () at pcpu.h:165
> #1  0xc051fbf0 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
> #2  0xc051ff05 in panic (fmt=0xc06af91d "%s") at 
> /usr/src/sys/kern/kern_shutdown.c:565
> #3  0xc0683ae2 in trap_fatal (frame=0xe91a77fc, eva=3735929054)
>     at /usr/src/sys/i386/i386/trap.c:837
> #4  0xc06837eb in trap_pfault (frame=0xe91a77fc, usermode=0, eva=3735929054)
>     at /usr/src/sys/i386/i386/trap.c:745
> #5  0xc0683435 in trap (frame=
>       {tf_fs = 8, tf_es = -384171992, tf_ds = 40, tf_edi = -953919232, 
> tf_esi = -953325184, tf_ebp = -384141224, tf_isp = -384141272, tf_ebx = 
> 0, tf_edx = -559038242, tf_ecx = -1066230976, tf_eax = 0, tf_trapno = 
> 12, tf_err = 0, tf_eip = -1068725597, tf_cs = 32, tf_eflags = 2175511, 
> tf_esp = -1066641139, tf_ss = 353}) at /usr/src/sys/i386/i386/trap.c:435
> #6  0xc06703ea in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #7  0xc04c8aa3 in devfs_populate_loop (dm=0xc6b9a500, cleanup=0)
>     at /usr/src/sys/fs/devfs/devfs_devs.c:370
> #8  0xc04c8dea in devfs_populate (dm=0xc6b9a500) at 
> /usr/src/sys/fs/devfs/devfs_devs.c:486
> #9  0xc04cac33 in devfs_lookupx (ap=0x0, dm_unlock=0xe91a795c)
>     at /usr/src/sys/fs/devfs/devfs_vnops.c:586
> #10 0xc04caff3 in devfs_lookup (ap=0xe91a79c4) at 
> /usr/src/sys/fs/devfs/devfs_vnops.c:666
> #11 0xc06943a7 in VOP_LOOKUP_APV (vop=0xc06fc1c0, a=0xe91a79c4) at 
> vnode_if.c:99
> #12 0xc056c70d in lookup (ndp=0xe91a7bcc) at vnode_if.h:56
> #13 0xc056bfd2 in namei (ndp=0xe91a7bcc) at 
> /usr/src/sys/kern/vfs_lookup.c:211
> #14 0xc057e3df in vn_open_cred (ndp=0xe91a7bcc, flagp=0xe91a7ccc, 
> cmode=192, cred=0xc6ffb900,
>     fdidx=14) at /usr/src/sys/kern/vfs_vnops.c:183
> #15 0xc057e166 in vn_open (ndp=0xdeadc0de, flagp=0xe91a7ccc, cmode=192, 
> fdidx=14)
>     at /usr/src/sys/kern/vfs_vnops.c:91
> #16 0xc0577065 in kern_open (td=0xc6ec2780, path=0x0, 
> pathseg=UIO_USERSPACE, flags=3,
>     mode=-1077943616) at /usr/src/sys/kern/vfs_syscalls.c:1009
> #17 0xc0576f4e in open (td=0xc6ec2780, uap=0xe91a7d04) at 
> /usr/src/sys/kern/vfs_syscalls.c:973
> #18 0xc0683daf in syscall (frame=
>       {tf_fs = 59, tf_es = 141688891, tf_ds = -1078001605, tf_edi = 0, 
> tf_esi = 136323072, tf_ebp = -1077943464, tf_isp = -384139932, tf_ebx = 
> 136255232, tf_edx = 12, tf_ecx = 0, tf_eax = 5, tf_trapno = 0, tf_err = 
> 2, tf_eip = 673948851, tf_cs = 51, tf_eflags = 2110102, tf_esp = 
> -1077943684, tf_ss = 59}) at /usr/src/sys/i386/i386/trap.c:983
> #19 0xc067043f in Xint0x80_syscall () at 
> /usr/src/sys/i386/i386/exception.s:200
> #20 0x00000033 in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb) f 7
> #7  0xc04c8aa3 in devfs_populate_loop (dm=0xc6b9a500, cleanup=0)
>     at /usr/src/sys/fs/devfs/devfs_devs.c:370
> 370                     if ((cleanup || !(cdp->cdp_flags & CDP_ACTIVE)) &&
> (kgdb) list
> 365
> 366                     /*
> 367                      * If we are unmounting, or the device has been 
> destroyed,
> 368                      * clean up our dirent.
> 369                      */
> 370                     if ((cleanup || !(cdp->cdp_flags & CDP_ACTIVE)) &&
> 371                         dm->dm_idx <= cdp->cdp_maxdirent &&
> 372                         cdp->cdp_dirents[dm->dm_idx] != NULL) {
> 373                             de = cdp->cdp_dirents[dm->dm_idx];
> 374                             cdp->cdp_dirents[dm->dm_idx] = NULL;
> (kgdb)
> 
> Does the nvidia driver don't play right with devfs ?
> 
> Thanks for your time,

See PR/108078
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