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Date:      Mon, 28 Oct 2002 12:59:48 -0800
From:      Maksim Yevmenkin <myevmenk@exodus.net>
To:        freebsd-current@freebsd.org
Subject:   NEWCARD panic
Message-ID:  <3DBDA544.40CC3BBA@exodus.net>

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Dear Hackers,

after upgrading to the recent (as of this weekend) -current i'm
having a 100% reproducible panic.

the card i'm trying to make to work is

RealPort Ethernet 10/100 + Modem56 (REM56G-100)

it does work in Linux in W2K, it did not work before upgrade,
but at least it did not panic. 

i have attached /var/log/messages and gdb dump and wide open
to any suggestions. 

thanks,
max
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beetle# gdb -k /sys/i386/compile/BEETLE/kernel.debug vmcore.17
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 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-undermydesk-freebsd"...
panic: bremfree: bp 0xc551d52c not locked
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xcb66f000
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc015c6f5
stack pointer           = 0x10:0xca66195c
frame pointer           = 0x10:0xca661b88
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         = 5 (cbb0)
trap number             = 12
panic: page fault

syncing disks... panic: bremfree: bp 0xc551d52c not locked
Uptime: 2m34s
pfs_vncache_unload(): 1 entries remaining
cbb0: cbb_power: CARD_VCC_0V and CARD_VPP_0V [44]
cbb1: cbb_power: CARD_VCC_0V and CARD_VPP_0V [44]
/dev/vmmon: Module vmmon: unloaded
Dumping 191 MB
ata0: resetting devices ..
done
 16 32 48 64 80 96 112 128 144 160 176
---
#0  doadump () at ../../../kern/kern_shutdown.c:223
223             dumping++;
(kgdb) where
#0  doadump () at ../../../kern/kern_shutdown.c:223
#1  0xc01b991e in boot (howto=260) at ../../../kern/kern_shutdown.c:355
#2  0xc01b9b63 in panic () at ../../../kern/kern_shutdown.c:508
#3  0xc01fc027 in bremfree (bp=0xc551d52c) at ../../../kern/vfs_bio.c:632
#4  0xc01fdb58 in vfs_bio_awrite (bp=0x3) at ../../../kern/vfs_bio.c:1633
#5  0xc028b31a in ffs_fsync (ap=0xca66178c) at ../../../ufs/ffs/ffs_vnops.c:258
#6  0xc028a6be in ffs_sync (mp=0xc187a200, waitfor=2, cred=0xc0da0e80, 
    td=0xc033bb20) at vnode_if.h:612
#7  0xc020fe88 in sync (td=0xc033bb20, uap=0x0)
    at ../../../kern/vfs_syscalls.c:130
#8  0xc01b952c in boot (howto=256) at ../../../kern/kern_shutdown.c:264
#9  0xc01b9b63 in panic () at ../../../kern/kern_shutdown.c:508
#10 0xc02e2982 in trap_fatal (frame=0xca66191c, eva=0)
    at ../../../i386/i386/trap.c:846
#11 0xc02e2662 in trap_pfault (frame=0xca66191c, usermode=0, eva=3412520960)
    at ../../../i386/i386/trap.c:760
#12 0xc02e216d in trap (frame=
      {tf_fs = -1048117224, tf_es = -1048117232, tf_ds = -899284976, tf_edi = -1048087040, tf_esi = -1048106368, tf_ebp = -899277944, tf_isp = -899278520, tf_ebx = 0, tf_edx = -882450432, tf_ecx = 32, tf_eax = 4096, tf_trapno = 12, tf_err = 0, tf_eip = -1072314635, tf_cs = 8, tf_eflags = 66050, tf_esp = -1070615871, tf_ss = 62}) at ../../../i386/i386/trap.c:446
#13 0xc02d2798 in calltrap () at {standard input}:98
#14 0xc015c525 in pccard_read_cis (sc=0x0)
    at ../../../dev/pccard/pccard_cis.c:98
#15 0xc0159ed2 in pccard_attach_card (dev=0xc1877600)
    at ../../../dev/pccard/pccard.c:168
#16 0xc0162026 in cbb_insert (sc=0xc186f000) at card_if.h:66
#17 0xc0161e5b in cbb_event_thread (arg=0xc186f000)
    at ../../../dev/pccbb/pccbb.c:917
#18 0xc01a6335 in fork_exit (callout=0xc0161de0 <cbb_event_thread>, arg=0x0, 
    frame=0x0) at ../../../kern/kern_fork.c:860
(kgdb) 


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