Hi,
attached are three backtraces (sorry, no matching kernel.debug for them)
of some panics of today.
The first was during an copy operation from CDROM to /tmp (md disk)
The next where during background fsck-ing after the first dump...
Bye!
----
Michael Reifenberger
^.*Plaut.*$, IT, R/3 Basis, GPS
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
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-unknown-freebsd"...
(no debugging symbols found)...
IdlePTD at phsyical address 0x003d0000
initial pcb at physical address 0x00279840
panicstr: bwrite: buffer is not busy???
panic messages:
---
panic: vm_page_free: freeing wired page
syncing disks... panic: bwrite: buffer is not busy???
Uptime: 2h14m53s
dumping to dev ad0s3b, offset 3933440
dump ata0: resetting devices .. done
127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107
106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0 0xc0164022 in dumpsys ()
(kgdb) #0 0xc0164022 in dumpsys ()
#1 0xc0163e08 in boot ()
#2 0xc0164257 in panic ()
#3 0xc01928d7 in bwrite ()
#4 0xc0192e8e in bawrite ()
#5 0xc01424c6 in spec_fsync ()
#6 0xc0141f8d in spec_vnoperate ()
#7 0xc01d6f60 in ffs_sync ()
#8 0xc019f6f6 in sync ()
#9 0xc0163a69 in boot ()
#10 0xc0164257 in panic ()
#11 0xc01ea886 in vm_page_free_toq ()
#12 0xc01ea2b9 in vm_page_free ()
#13 0xc01e1bd9 in vm_fault1 ()
#14 0xc01e1651 in vm_fault ()
#15 0xc021236f in trap_pfault ()
#16 0xc0211e8f in trap ()
#17 0xc0210b96 in generic_copyin ()
#18 0xc01d7f46 in ffs_write ()
#19 0xc01a532f in vn_write ()
#20 0xc017e1bb in dofilewrite ()
#21 0xc017dfb9 in write ()
#22 0xc0212be8 in syscall ()
#23 0xc020675d in syscall_with_err_pushed ()
#24 0x80489ed in ?? ()
#25 0x804857e in ?? ()
#26 0x8048135 in ?? ()
(kgdb)
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
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-unknown-freebsd"...
(no debugging symbols found)...
IdlePTD at phsyical address 0x003d0000
initial pcb at physical address 0x00279840
panicstr: bremfree: removing a buffer not on a queue
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x1000000
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01d24b0
stack pointer = 0x10:0xc9ffd894
frame pointer = 0x10:0xc9ffd8a4
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 = 416 (fsck_ufs)
trap number = 12
panic: page fault
syncing disks... panic: bremfree: removing a buffer not on a queue
Uptime: 2m39s
pfs_vncache_unload(): 1 entries remaining
dumping to dev ad0s3b, offset 3933440
dump ata0: resetting devices .. done
127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107
106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0 0xc0164022 in dumpsys ()
(kgdb) #0 0xc0164022 in dumpsys ()
#1 0xc0163e08 in boot ()
#2 0xc0164257 in panic ()
#3 0xc0192626 in bremfree ()
#4 0xc0193b67 in vfs_bio_awrite ()
#5 0xc01d8734 in ffs_fsync ()
#6 0xc01d6d46 in ffs_sync ()
#7 0xc019f6f6 in sync ()
#8 0xc0163a69 in boot ()
#9 0xc0164257 in panic ()
#10 0xc021275c in trap_fatal ()
#11 0xc0212485 in trap_pfault ()
#12 0xc0211e8f in trap ()
#13 0xc01d24b0 in softdep_disk_io_initiation ()
#14 0xc014259d in spec_strategy ()
#15 0xc0141f8d in spec_vnoperate ()
#16 0xc01de555 in ufs_strategy ()
#17 0xc01dee29 in ufs_vnoperate ()
#18 0xc0192af8 in bwrite ()
#19 0xc0192e8e in bawrite ()
#20 0xc01cd652 in cgaccount ()
#21 0xc01cca89 in ffs_snapshot ()
#22 0xc01d5682 in ffs_mount ()
#23 0xc019ee0b in vfs_mount ()
#24 0xc019e7a7 in mount ()
#25 0xc0212be8 in syscall ()
#26 0xc020675d in syscall_with_err_pushed ()
#27 0x804c3d1 in ?? ()
#28 0x8048135 in ?? ()
(kgdb)
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
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-unknown-freebsd"...
(no debugging symbols found)...
IdlePTD at phsyical address 0x003d0000
initial pcb at physical address 0x00279840
panicstr: bwrite: buffer is not busy???
panic messages:
---
panic: handle_disk_io_initiation: Unexpected type ???
syncing disks... panic: bwrite: buffer is not busy???
Uptime: 2m35s
pfs_vncache_unload(): 1 entries remaining
dumping to dev ad0s3b, offset 3933440
dump ata0: resetting devices .. done
127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107
106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0 0xc0164022 in dumpsys ()
(kgdb) #0 0xc0164022 in dumpsys ()
#1 0xc0163e08 in boot ()
#2 0xc0164257 in panic ()
#3 0xc01928d7 in bwrite ()
#4 0xc0193b86 in vfs_bio_awrite ()
#5 0xc01d8734 in ffs_fsync ()
#6 0xc01d6d46 in ffs_sync ()
#7 0xc019f6f6 in sync ()
#8 0xc0163a69 in boot ()
#9 0xc0164257 in panic ()
#10 0xc01d25cc in softdep_disk_io_initiation ()
#11 0xc014259d in spec_strategy ()
#12 0xc0141f8d in spec_vnoperate ()
#13 0xc01de555 in ufs_strategy ()
#14 0xc01dee29 in ufs_vnoperate ()
#15 0xc0192af8 in bwrite ()
#16 0xc0192e8e in bawrite ()
#17 0xc01cd652 in cgaccount ()
#18 0xc01cca89 in ffs_snapshot ()
#19 0xc01d5682 in ffs_mount ()
#20 0xc019ee0b in vfs_mount ()
#21 0xc019e7a7 in mount ()
#22 0xc0212be8 in syscall ()
#23 0xc020675d in syscall_with_err_pushed ()
#24 0x804c3d1 in ?? ()
#25 0x8048135 in ?? ()
(kgdb)
