Re: msdosfs killt das ganze System

Bernd Walter wrote:

> Die Ausgabe [...] Solltest du dann mailen

Okay:

[root(at)sickbox:/usr/src/sys/compile/SICKBOX] gdb -k kernel.debug
/var/crash/vmcore.0 GNU gdb 4.18
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details. This GDB was configured as "i386-unknown-freebsd"...
IdlePTD at phsyical address 0x0041b000
initial pcb at physical address 0x00306f40
panicstr: page fault
panic messages:

---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xe1bd8ffc
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01a58e7
stack pointer           = 0x10:0xd5986cdc
frame pointer           = 0x10:0xd5986cec
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         = 298 (mkdir)
interrupt mask          = none
trap number             = 12
panic: page fault
syncing disks... 15 9 6 4 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
giving up on 1 buffers
Uptime: 5m2s
dumping to dev #ad/0x20009, offset 7840
dump ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66
cable or device done
[gekürzt -- er zählt die 512 MB runter]
---
#0  dumpsys () at ../../kern/kern_shutdown.c:487
487             if (dumping++) {
(kgdb) where
#0  dumpsys () at ../../kern/kern_shutdown.c:487
#1  0xc016a6f3 in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2  0xc016ab18 in poweroff_wait (junk=0xc02c2d8c, howto=-1070847825)
    at ../../kern/kern_shutdown.c:595
#3  0xc027d02a in trap_fatal (frame=0xd5986c9c, eva=3787296764)
    at ../../i386/i386/trap.c:966
#4  0xc027ccfd in trap_pfault (frame=0xd5986c9c, usermode=0,
eva=3787296764)    at ../../i386/i386/trap.c:859
#5  0xc027c8e7 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, 
      tf_edi = 7792, tf_esi = -1044541440, tf_ebp = -711430932, 
      tf_isp = -711430968, tf_ebx = -1044545536, tf_edx = 134217727, 
      tf_ecx = 31, tf_eax = -2147483648, tf_trapno = 12, tf_err = 0, 
      tf_eip = -1072015129, tf_cs = 8, tf_eflags = 68246, tf_esp =
268435455,       tf_ss = 268435455}) at ../../i386/i386/trap.c:458
#6  0xc01a58e7 in updatefats (pmp=0xc1bd8000, bp=0xcc18123c, fatbn=7792)
    at ../../msdosfs/msdosfs_fat.c:353
#7  0xc01a5f46 in fatchain (pmp=0xc1bd8000, start=994187, count=0, 
    fillwith=4294967295) at ../../msdosfs/msdosfs_fat.c:674
#8  0xc01a6065 in chainalloc (pmp=0xc1bd8000, start=994186, count=1, 
    fillwith=4294967295, retcluster=0xd5986dc4, got=0x0)
    at ../../msdosfs/msdosfs_fat.c:748
#9  0xc01a6262 in clusteralloc (pmp=0xc1bd8000, start=0, count=1, 
    fillwith=4294967295, retcluster=0xd5986dc4, got=0x0)
    at ../../msdosfs/msdosfs_fat.c:842
#10 0xc01aa581 in msdosfs_mkdir (ap=0xd5986e6c)
    at ../../msdosfs/msdosfs_vnops.c:1368
#11 0xc019d632 in mkdir (p=0xd5953ac0, uap=0xd5986f80) at vnode_if.h:674
#12 0xc027d2d9 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, 
      tf_edi = 511, tf_esi = 1, tf_ebp = -1077937264, tf_isp = -711430188,
      tf_ebx = -1077937176, tf_edx = 0, tf_ecx = 0, tf_eax = 136, 
      tf_trapno = 12, tf_err = 2, tf_eip = 134516968, tf_cs = 31, 
      tf_eflags = 663, tf_esp = -1077937324, tf_ss = 47})
    at ../../i386/i386/trap.c:1167
#13 0xc0271185 in Xint0x80_syscall ()
#14 0x8048135 in ?? ()
(kgdb) up 6
#6  0xc01a58e7 in updatefats (pmp=0xc1bd8000, bp=0xcc18123c, fatbn=7792)
    at ../../msdosfs/msdosfs_fat.c:353
353                     if (pmp->pm_freeclustercount
So, zu mehr bin ich leider nicht fähig. Kann damit jemand was anfangen?
Und was muss ich genau tun, damit das jemand in die Hände bekommt, der
dafür verantworlich ist/sich damit auskennt?
Gruss, Rob.
-- 
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