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[DragonFlyBSD - Bug #1752] (Feedback) if_ath and contigmalloc


From: "Antonio M. Huete Jimenez via Redmine" <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 10 Mar 2013 06:42:32 -0700

Issue #1752 has been updated by tuxillo.

Description updated
Status changed from New to Feedback
Assignee deleted (0)

Hi Ferz,

ath(4) and the IEEE80211 stack was updated. Also contigmalloc was reworked some time ago.
I don't think this happens anymore but can you please confirm it?

Cheers,
Antonio Huete
----------------------------------------
Bug #1752: if_ath and contigmalloc
http://bugs.dragonflybsd.org/issues/1752

Author: nonsolosoft
Status: Feedback
Priority: Normal
Assignee: 
Category: 
Target version: 


Hi,

uname -a
DragonFly lap 2.7-DEVELOPMENT DragonFly v2.7.2.35.g209d9-DEVELOPMENT #3: 
Fri Apr 23 10:20:05 CEST 2010     ferz@lap:/dati/obj/usr/src/sys/GENERIC 
  i386

kldload if_ath.ko   # doesn't return

from top:

PID       3980
USERNAME  root
PRI        170
NICE         0
SIZE       304K
RES        152K
STATE   vpctw0
TIME      0:00
CTIME     0:00
CPU       9.28%
COMMAND kldload

kgdb /boot/kernel /dev/kmem

looked for kldload thread:

#
hread 14
#
[Switching to thread 14 (pid 2888/0, ifconfig)]#0  _crit_exit_quick ()
#
     at /usr/src/sys/sys/thread2.h:177
#
177         globaldata_t gd = curtd->td_gd;
#
(kgdb) bt
#
#0  _crit_exit_quick () at /usr/src/sys/sys/thread2.h:177
#
#1  lwkt_switch () at /usr/src/sys/kern/lwkt_thread.c:777
#
#2  0xc0368f6e in tsleep (ident=0xcfef4d28, flags=0, wmesg=0xc0652d69 
"vpctw0", timo=0)
#
     at /usr/src/sys/kern/kern_synch.c:622
#
#3  0xc0544060 in vm_page_sleep_busy (queue=257, count=112642) at 
/usr/src/sys/vm/vm_page.h:659
#
#4  vm_contig_pg_clean (queue=257, count=112642) at 
/usr/src/sys/vm/vm_contig.c:153
#
#5  vm_contig_pg_flush (queue=257, count=112642) at 
/usr/src/sys/vm/vm_contig.c:188
#
#6  0xc0544541 in vm_contig_pg_alloc (size=192000, type=0xc06ef300, 
flags=5633, low=0,
#
     high=4294967295, alignment=4096, boundary=0, map=0xc078e240) at 
/usr/src/sys/vm/vm_contig.c:266
#
#7  contigmalloc_map (size=192000, type=0xc06ef300, flags=5633, low=0, 
high=4294967295,
#
     alignment=4096, boundary=0, map=0xc078e240) at 
/usr/src/sys/vm/vm_contig.c:475
#
#8  0xc0544915 in contigmalloc (size=192000, type=0xc06ef300, 
flags=5633, low=0, high=0,
#
     alignment=4096, boundary=0) at /usr/src/sys/vm/vm_contig.c:457
#
#9  0xc05c926c in bus_dmamem_alloc (dmat=0xd3e7a280, vaddr=0xcfbdcf8c, 
flags=5, mapp=0xcfbdcfa4)
#
     at /usr/src/sys/platform/pc32/i386/busdma_machdep.c:570
#
#10 0xd3fef92f in ath_descdma_setup (sc=0xcfbdc7c0, dd=0xcfbdcf88, 
head=0xcfbdcfac,
#
     name=0xd3ff5bd7 "tx", nbuf=200, ndesc=10) at 
/usr/src/sys/dev/netif/ath/ath/if_ath.c:3373
#
#11 0xd3feffc1 in ath_desc_alloc (devid=26, sc=0xcfbdc7c0)
#
     at /usr/src/sys/dev/netif/ath/ath/if_ath.c:3481
#
#12 ath_attach (devid=26, sc=0xcfbdc7c0) at 
/usr/src/sys/dev/netif/ath/ath/if_ath.c:456
#
#13 0xd3ff4ec5 in ath_pci_attach (dev=0xc2a468a8)
#
     at /usr/src/sys/dev/netif/ath/ath/if_ath_pci.c:165
#
#14 0xc0371ba8 in DEVICE_ATTACH (dev=0xc2a468a8) at ./device_if.h:40
#
#15 device_doattach (dev=0xc2a468a8) at /usr/src/sys/kern/subr_bus.c:1662
#
#16 0xc03726cd in device_probe_and_attach (dev=0xc2a468a8) at 
/usr/src/sys/kern/subr_bus.c:1622
#
#17 0xc04e8785 in pci_driver_added (dev=0xc2a46858, driver=0xd3ff75ac)
#
     at /usr/src/sys/bus/pci/pci.c:3099
#
#18 0xc03713ce in BUS_DRIVER_ADDED (dc=0xc29a1600, driver=0xd3ff75ac) at 
./bus_if.h:71
#
#19 devclass_add_driver (dc=0xc29a1600, driver=0xd3ff75ac) at 
/usr/src/sys/kern/subr_bus.c:642
#
#20 0xc0371b22 in driver_module_handler (mod=0xccacfe18, what=0, 
arg=0xd3ff7598)
#
     at /usr/src/sys/kern/subr_bus.c:3068
#
#21 0xc0337552 in module_register_init (arg=0xd3ff758c) at 
/usr/src/sys/kern/kern_module.c:112
#
#22 0xc03391a2 in linker_file_sysinit (filename=0xc294c6d8 
"/boot/modules/if_ath.ko",
#
     result=0xd3b2ec7c) at /usr/src/sys/kern/kern_linker.c:171
#
#23 linker_load_file (filename=0xc294c6d8 "/boot/modules/if_ath.ko", 
result=0xd3b2ec7c)
#
     at /usr/src/sys/kern/kern_linker.c:336
#
#24 0xc03392cd in linker_load_module (kldname=<value optimized out>, 
modname=0xcf9e6400 "if_ath",
#
     parent=0x0, verinfo=0x0, lfpp=0xd3b2eca8) at 
/usr/src/sys/kern/kern_linker.c:1497
#
#25 0xc0339676 in sys_kldload (uap=0xd3b2ecf0) at 
/usr/src/sys/kern/kern_linker.c:785
#
#26 0xc05de7f7 in syscall2 (frame=0xd3b2ed40) at 
/usr/src/sys/platform/pc32/i386/trap.c:1319
#
#27 0xc05cc046 in Xint0x80_syscall () at 
/usr/src/sys/platform/pc32/i386/exception.s:876
#
#28 0x0000001f in ?? ()
#
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

http://pastebin.com/d76uRuPu


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