kldload(8) might panic
From: Rene Ladan (r.c.ladan_at_student.tue.nl)
Date: 07/18/03
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Date: Fri, 18 Jul 2003 19:37:32 +0200 To: freebsd-current@freebsd.org
Hi,
on my 5.1R-box, I sometimes get the below panic message when loading a module into the kernel with kldload(8).
It seems that some part of the linker reports a bogus value for the required memory. Other times loading modules works fine.
Rene
Script started on Fri Jul 18 19:35:09 2003
rene@n188:/usr/home/rene$ uname -a
FreeBSD n188.dial.tue.nl 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Thu Jul 17 15:34:28 CEST 2003 root@atmosphere.local:/usr/src-releng51/sys/i386/compile/RENE_2003-07-17 i386
rene@n188:/usr/home/rene$ cat /usr/tmp/gdbk.0
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: from debugger
panic messages:
---
panic: kmem_malloc(42766336): kmem_map too small: 55050240 total allocated
panic: from debugger
Uptime: 8h50m15s
Dumping 191 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112 128 144 160 176
---
Reading symbols from /boot/kernel/vesa.ko...done.
Loaded symbols for /boot/kernel/vesa.ko
Reading symbols from /boot/kernel/acpi.ko...done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/blank_saver.ko...done.
Loaded symbols for /boot/kernel/blank_saver.ko
Reading symbols from /boot/kernel/umodem.ko...done.
Loaded symbols for /boot/kernel/umodem.ko
#0 doadump () at ../../../kern/kern_shutdown.c:238
238 ../../../kern/kern_shutdown.c: No such file or directory.
in ../../../kern/kern_shutdown.c
(kgdb) bt full
#0 doadump () at ../../../kern/kern_shutdown.c:238
No locals.
#1 0xc024eafd in boot (howto=260) at ../../../kern/kern_shutdown.c:370
No locals.
#2 0xc024ef48 in panic () at ../../../kern/kern_shutdown.c:543
td = (struct thread *) 0xc226c000
bootopt = 260
newpanic = 0
buf = "from debugger\0766336): kmem_map too small: 55050240 total allocated", '\0' <repeats 188 times>
#3 0xc0130b75 in db_panic () at ../../../ddb/db_command.c:448
No locals.
#4 0xc0130ad2 in db_command (last_cmdp=0xc042b5e0, cmd_table=0x0,
aux_cmd_tablep=0xc0426f38, aux_cmd_tablep_end=0xc0426f3c)
at ../../../ddb/db_command.c:346
cmd = (struct command *) 0xc03eccb4
t = 0
modif = "\08ÌÏ\bâ9ÀÐß9ÀØÞ9À\200wJÀ`äHÀàeGÀ\b\217KÀP8ÌÏíÞ9À°Þ9À9ò(À`äHÀx\0\0\0àeGÀ\b\217KÀx8ÌÏ\a/\023À°.\023À\215#\023À\0\0\0\0\020\0\0\0\b\217KÀáì;À.$\023Àð\"\023À\020'\023Àx\0\0\0\003\0\0\0¼9ÌÏ"
addr = -1069890249
count = -1
have_addr = 0
result = 0
#5 0xc0130c16 in db_command_loop () at ../../../ddb/db_command.c:470
No locals.
#6 0xc013446b in db_trap (type=3, code=0) at ../../../ddb/db_trap.c:72
bkpt = 0
#7 0xc03ac205 in kdb_trap (type=3, code=0, regs=0xcfcc3974)
at ../../../i386/i386/db_interface.c:170
ef = 70
ddb_mode = 1
#8 0xc03c082c in trap (frame=
{tf_fs = -1069875176, tf_es = 16, tf_ds = -1068826608, tf_edi = -1037647872, tf_esi = 1, tf_ebp = -808699456, tf_isp = -808699488, tf_ebx = 0, tf_edx = 0, tf_ecx = 0, tf_eax = -1069890250, tf_trapno = 3, tf_err = 0, tf_eip = -1069890249, tf_cs = 8, tf_eflags = 663, tf_esp = -1069413180, tf_ss = -1069477935})
at ../../../i386/i386/trap.c:593
td = (struct thread *) 0xc226c000
p = (struct proc *) 0xc226bd20
sticks = 1
i = 0
ucode = 0
type = 3
code = 0
eva = 0
#9 0xc03ae1ee in calltrap () at {standard input}:96
No locals.
#10 0xc024ee9b in panic (fmt=0x0) at ../../../kern/kern_shutdown.c:527
td = (struct thread *) 0xc226c000
bootopt = 256
newpanic = 1
buf = "from debugger\0766336): kmem_map too small: 55050240 total allocated", '\0' <repeats 188 times>
#11 0xc035c6ea in kmem_malloc (map=0xc082f0b0, size=42766336, flags=2)
at ../../../vm/vm_kern.c:339
offset = 3224838192
i = 3257833656
entry = (struct vm_map_entry *) 0xc0372440
addr = 3234832384
m = (struct vm_page *) 0x0
pflags = -1070128770
#12 0xc0370e3d in page_alloc (zone=0x0, bytes=0, pflag=0x0, wait=0)
at ../../../vm/uma_core.c:803
p = (void *) 0x0
#13 0xc037327e in uma_large_malloc (size=42766336, wait=2)
at ../../../vm/uma_core.c:2034
mem = (void *) 0x0
slab = (struct uma_slab *) 0xc22e98b8
flags = 2 '\002'
#14 0xc02413c1 in malloc (size=42766336, type=0xc045cd20, flags=2)
at ../../../kern/kern_malloc.c:240
indx = 42766336
va = 0xc226c000 " ½&Â"
zone = (struct uma_zone *) 0xcfcc3b44
ksp = (struct malloc_type *) 0xc045cd20
#15 0xc0275ffc in kmupetext (nhighpc=3289623160)
at ../../../kern/subr_prof.c:109
np = {state = 3, kcount = 0xc241dfe8, kcountsize = 33581392,
froms = 0xc32fe6e8, fromssize = 8395348, tos = 0xc235e000, tossize = 786408,
tolimit = 65534, lowpc = 3222460384, highpc = 3289623168,
textsize = 67162784, hashfraction = 8, profrate = 497559752,
cputime_count = 0xc256f050, cputime_overhead = 50,
mcount_count = 0xc24ea7f8, mcount_overhead = 141, mcount_post_overhead = 53,
mcount_pre_overhead = 138, mexitcount_count = 0xc24ea8d0,
mexitcount_overhead = 83, mexitcount_post_overhead = 10,
mexitcount_pre_overhead = 123, histcounter_type = 0}
p = (struct gmonparam *) 0xc045cdc0
cp = 0xc1ff5000 "\177ELF\001\001\001\t"
#16 0xc026467b in link_elf_load_file (cls=0xc045bf90,
filename=0xc2057020 "/boot/kernel/umodem.ko", result=0x0)
at ../../../kern/link_elf.c:753
nd = {ni_dirp = 0xc2057020 "/boot/kernel/umodem.ko",
ni_segflg = UIO_SYSSPACE, ni_startdir = 0x0, ni_rootdir = 0xc229ddb0,
ni_topdir = 0x0, ni_vp = 0xc3d9b36c, ni_dvp = 0xc3d7c920, ni_pathlen = 1,
ni_next = 0xc1faf416 "", ni_loopcnt = 0, ni_cnd = {cn_nameiop = 0,
cn_flags = 2146372, cn_thread = 0xc226c000, cn_cred = 0xc38f1b00,
cn_pnbuf = 0xc1faf400 "/boot/kernel/umodem.ko",
cn_nameptr = 0xc1faf40d "umodem.ko", cn_namelen = 9, cn_consume = 0}}
td = (struct thread *) 0xc226c000
hdr = (struct {...} *) 0xc1ff5000
firstpage = 0xc1ff5000 "\177ELF\001\001\001\t"
nbytes = 4096
i = 2
phdr = (struct {...} *) 0x0
phlimit = (struct {...} *) 0x0
segs = {0xc1ff5034, 0xc1ff5054}
nsegs = 0
phdyn = (struct {...} *) 0xc1ff5074
mapbase = 0xc4139000 "\177ELF\001\001\001\t"
mapsize = 12288
base_vaddr = 0
base_vlimit = 0
error = 0
resid = 0
flags = 1
ef = (struct elf_file *) 0xc2058d00
lf = (struct linker_file *) 0xc2058d00
shdr = (struct {...} *) 0x0
symtabindex = 0
symstrindex = 0
symcnt = 0
strcnt = 0
#17 0xc023f1da in LINKER_LOAD_FILE (cls=0xc045bf90, filename=0x0, result=0x0)
at linker_if.h:88
_m = (int (*)(void)) 0
#18 0xc023bc33 in linker_load_file (
filename=0xc2057020 "/boot/kernel/umodem.ko", result=0xcfcc3c94)
at ../../../kern/kern_linker.c:346
lc = (struct linker_class *) 0xc0d05028
lf = (struct linker_file *) 0x0
foundfile = 0
error = -1069170800
#19 0xc023e947 in linker_load_module (kldname=0xc045bf90 "þë@À@¿EÀÈ",
modname=0xc2057020 "/boot/kernel/umodem.ko", parent=0x0, verinfo=0x0,
lfpp=0xcfcc3cc0) at ../../../kern/kern_linker.c:1669
lfdep = (struct linker_file *) 0xc02c66b0
filename = 0x0
pathname = 0xc045bf90 "þë@À@¿EÀÈ"
error = -1060089816
#20 0xc023caae in kldload (td=0xc2057020, uap=0x0)
at ../../../kern/kern_linker.c:772
kldname = 0x0
modname = 0x0
pathname = 0xc045bf90 "þë@À@¿EÀÈ"
lf = (struct linker_file *) 0xc226c000
error = -1060089816
#21 0xc03c11fa in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = -1077937068, tf_ebp = -1077937112, tf_isp = -808698508, tf_ebx = 0, tf_edx = 134562984, tf_ecx = 0, tf_eax = 304, tf_trapno = 12, tf_err = 2, tf_eip = 134513919, tf_cs = 31, tf_eflags = 531, tf_esp = -1077937156, tf_ss = 47})
at ../../../i386/i386/trap.c:1021
params = 0xbfbffc00---Can't read userspace from dump, or kernel process---
rene@n188:/usr/home/rene$ cat /usr/tmp/gdbk.1
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: from debugger
panic messages:
---
panic: kmem_malloc(29892608): kmem_map too small: 54829056 total allocated
panic: from debugger
Uptime: 1d1h20m47s
Dumping 191 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112 128 144 160 176
---
Reading symbols from /boot/kernel/vesa.ko...done.
Loaded symbols for /boot/kernel/vesa.ko
Reading symbols from /boot/kernel/blank_saver.ko...done.
Loaded symbols for /boot/kernel/blank_saver.ko
Reading symbols from /boot/kernel/apm.ko...done.
Loaded symbols for /boot/kernel/apm.ko
#0 doadump () at ../../../kern/kern_shutdown.c:238
238 ../../../kern/kern_shutdown.c: No such file or directory.
in ../../../kern/kern_shutdown.c
(kgdb) bt full
#0 doadump () at ../../../kern/kern_shutdown.c:238
No locals.
#1 0xc024f9fd in boot (howto=260) at ../../../kern/kern_shutdown.c:370
No locals.
#2 0xc024fe48 in panic () at ../../../kern/kern_shutdown.c:543
td = (struct thread *) 0xc23834c0
bootopt = 260
newpanic = 0
buf = "from debugger\0892608): kmem_map too small: 54829056 total allocated", '\0' <repeats 188 times>
#3 0xc0130a75 in db_panic () at ../../../ddb/db_command.c:448
No locals.
#4 0xc01309d2 in db_command (last_cmdp=0xc04295e0, cmd_table=0x0,
aux_cmd_tablep=0xc0424f40, aux_cmd_tablep_end=0xc0424f44)
at ../../../ddb/db_command.c:346
cmd = (struct command *) 0xc03eb214
t = 0
modif = "\0ØÎÏ\bñ9ÀÐî9ÀØí9ÀàUJÀÀÂHÀ@DGÀèiKÀPØÎÏíí9À°í9À9\001)ÀÀÂHÀx\0\0\0@DGÀèiKÀxØÎÏ\a.\023À°-\023À\215\"\023À\0\0\0\0\020\0\0\0èiKÀ±Õ;À.#\023Àð!\023À\020&\023Àx\0\0\0\003\0\0\0¼ÙÎÏ"
addr = -1069896185
count = -1
have_addr = 0
result = 0
#5 0xc0130b16 in db_command_loop () at ../../../ddb/db_command.c:470
No locals.
#6 0xc013436b in db_trap (type=3, code=0) at ../../../ddb/db_trap.c:72
bkpt = 0
#7 0xc03aaad5 in kdb_trap (type=3, code=0, regs=0xcfced974)
at ../../../i386/i386/db_interface.c:170
ef = 70
ddb_mode = 1
#8 0xc03bf0fc in trap (frame=
{tf_fs = -808583144, tf_es = -1070989296, tf_ds = -1070989296, tf_edi = -1036503872, tf_esi = 1, tf_ebp = -808527424, tf_isp = -808527456, tf_ebx = 0, tf_edx = 0, tf_ecx = 32, tf_eax = -1069896186, tf_trapno = 3, tf_err = 0, tf_eip = -1069896185, tf_cs = 8, tf_eflags = 663, tf_esp = -1069421272, tf_ss = -1069484321}) at ../../../i386/i386/trap.c:593
td = (struct thread *) 0xc23834c0
p = (struct proc *) 0xc23825a0
sticks = 3317747509
i = 0
ucode = 0
type = 3
code = 0
eva = 0
#9 0xc03acabe in calltrap () at {standard input}:96
No locals.
#10 0xc024fd9b in panic (fmt=0x0) at ../../../kern/kern_shutdown.c:527
td = (struct thread *) 0xc23834c0
bootopt = 256
newpanic = 1
buf = "from debugger\0892608): kmem_map too small: 54829056 total allocated", '\0' <repeats 188 times>
#11 0xc035d5ea in kmem_malloc (map=0xc082f0b0, size=29892608, flags=2)
at ../../../vm/vm_kern.c:339
offset = 3224842032
i = 3258221552
entry = (struct vm_map_entry *) 0xc0373340
addr = 3234832384
m = (struct vm_page *) 0x0
pflags = -1070124930
#12 0xc0371d3d in page_alloc (zone=0x0, bytes=0, pflag=0x0, wait=0)
at ../../../vm/uma_core.c:803
p = (void *) 0x0
#13 0xc037417e in uma_large_malloc (size=29892608, wait=2)
at ../../../vm/uma_core.c:2034
mem = (void *) 0x0
slab = (struct uma_slab *) 0xc23483f0
flags = 2 '\002'
#14 0xc02422c1 in malloc (size=29892608, type=0xc045ae20, flags=2)
at ../../../kern/kern_malloc.c:240
indx = 29892608
va = 0xc23834c0 " %8Â"
zone = (struct uma_zone *) 0xcfcedb44
ksp = (struct malloc_type *) 0xc045ae20
#15 0xc0276efc in kmupetext (nhighpc=3269024940)
at ../../../kern/subr_prof.c:109
np = {state = 3, kcount = 0xc3746fe8, kcountsize = 23282408,
froms = 0xc469a2d0, fromssize = 5820602, tos = 0xc3687000, tossize = 786408,
tolimit = 65534, lowpc = 3222460128, highpc = 3269024944,
textsize = 46564816, hashfraction = 8, profrate = 497558844,
cputime_count = 0xc3897380, cputime_overhead = 50,
mcount_count = 0xc3813ff8, mcount_overhead = 141, mcount_post_overhead = 52,
mcount_pre_overhead = 139, mexitcount_count = 0xc38140d0,
mexitcount_overhead = 83, mexitcount_post_overhead = 10,
mexitcount_pre_overhead = 123, histcounter_type = 0}
p = (struct gmonparam *) 0xc045aec0
cp = 0xc2274000 "\177ELF\001\001\001\t"
#16 0xc026557b in link_elf_load_file (cls=0xc045a090,
filename=0xc2109b00 "/boot/kernel/apm.ko", result=0x0)
at ../../../kern/link_elf.c:753
nd = {ni_dirp = 0xc2109b00 "/boot/kernel/apm.ko",
ni_segflg = UIO_SYSSPACE, ni_startdir = 0x0, ni_rootdir = 0xc2287db0,
ni_topdir = 0x0, ni_vp = 0xc2c6a36c, ni_dvp = 0xc2c816d8, ni_pathlen = 1,
ni_next = 0xc1fa5813 "", ni_loopcnt = 0, ni_cnd = {cn_nameiop = 0,
cn_flags = 2146372, cn_thread = 0xc23834c0, cn_cred = 0xc223b900,
cn_pnbuf = 0xc1fa5800 "/boot/kernel/apm.ko",
cn_nameptr = 0xc1fa580d "apm.ko", cn_namelen = 6, cn_consume = 0}}
td = (struct thread *) 0xc23834c0
hdr = (struct {...} *) 0xc2274000
firstpage = 0xc2274000 "\177ELF\001\001\001\t"
nbytes = 4096
i = 2
phdr = (struct {...} *) 0x0
phlimit = (struct {...} *) 0x0
segs = {0xc2274034, 0xc2274054}
nsegs = 0
phdyn = (struct {...} *) 0xc2274074
mapbase = 0xc2d92000 "\177ELF\001\001\001\t"
mapsize = 20480
base_vaddr = 0
base_vlimit = 0
error = 0
resid = 0
flags = 1
ef = (struct elf_file *) 0xc2492400
lf = (struct linker_file *) 0xc2492400
shdr = (struct {...} *) 0x0
symtabindex = 0
symstrindex = 0
symcnt = 0
strcnt = 0
#17 0xc02400da in LINKER_LOAD_FILE (cls=0xc045a090, filename=0x0, result=0x0)
at linker_if.h:88
_m = (int (*)(void)) 0
#18 0xc023cb33 in linker_load_file (filename=0xc2109b00 "/boot/kernel/apm.ko",
result=0xcfcedc94) at ../../../kern/kern_linker.c:346
lc = (struct linker_class *) 0xc0d05028
lf = (struct linker_file *) 0x0
foundfile = 0
error = -1069178736
#19 0xc023f847 in linker_load_module (kldname=0xc045a090 "\fÓ@À@ EÀÈ",
modname=0xc2109b00 "/boot/kernel/apm.ko", parent=0x0, verinfo=0x0,
lfpp=0xcfcedcc0) at ../../../kern/kern_linker.c:1669
lfdep = (struct linker_file *) 0xc02c75b0
filename = 0x0
pathname = 0xc045a090 "\fÓ@À@ EÀÈ"
error = -1060089816
#20 0xc023d9ae in kldload (td=0xc2109b00, uap=0x0)
at ../../../kern/kern_linker.c:772
kldname = 0x0
modname = 0x0
pathname = 0xc045a090 "\fÓ@À@ EÀÈ"
lf = (struct linker_file *) 0xc23834c0
error = -1060089816
#21 0xc03bfaca in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = -1077937064, tf_ebp = -1077937108, tf_isp = -808526476, tf_ebx = 0, tf_edx = 134562984, tf_ecx = 0, tf_eax = 304, tf_trapno = 12, tf_err = 2, tf_eip = 134513919, tf_cs = 31, tf_eflags = 531, tf_esp = -1077937156, tf_ss = 47})
at ../../../i386/i386/trap.c:1021
params = 0xbfbffc00---Can't read userspace from dump, or kernel process---
rene@n188:/usr/home/rene$ exit
Script done on Fri Jul 18 19:36:10 2003
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