panic: lock (uidinfo hash) rw does not match earlier (sleep mutex) lock

[David Wolfskill]

Oops -- I should have included the output from "show witness," I think:

db> show witness
Sleep locks:
0 kernel linker -- last acquired @ /usr/src/sys/kern/kern_linker.c:687
3  UMA zone -- last acquired @ /usr/src/sys/vm/uma_core.c:1830
0 module subsystem sx lock -- last acquired @ /usr/src/sys/kern/kern_module.c:143
3  UMA zone -- (already displayed)
1  system map -- last acquired @ /usr/src/sys/vm/vm_kern.c:296
3   vm page queue mutex -- last acquired @ /usr/src/sys/i386/i386/pmap.c:2313
4    vnode interlock -- last acquired @ order list:0
5     cdev -- last acquired @ order list:0
4    pmap -- last acquired @ /usr/src/sys/i386/i386/pmap.c:2314
2   kmem object -- last acquired @ /usr/src/sys/vm/vm_kern.c:410
3    vm page queue free mutex -- last acquired @ /usr/src/sys/vm/vm_page.c:1029
3    vm page queue mutex -- (already displayed)
3    SYSMAPS -- last acquired @ /usr/src/sys/i386/i386/pmap.c:2880
2   KMAP ENTRY -- last acquired @ /usr/src/sys/vm/uma_core.c:2257
3    UMA zone -- (already displayed)
3   UMA zone -- (already displayed)
2   kernel object -- last acquired @ /usr/src/sys/vm/vm_object.c:460
3    vm page queue mutex -- (already displayed)
3    vm page queue free mutex -- (already displayed)
3    SYSMAPS -- (already displayed)
3   vm page queue free mutex -- (already displayed)
3   SYSMAPS -- (already displayed)
2   UMA boot pages -- last acquired @ /usr/src/sys/vm/uma_core.c:916
0 user map -- last acquired @ /usr/src/sys/vm/vm_map.c:1429
3  UMA zone -- (already displayed)
2  UMA boot pages -- (already displayed)
0 kqueue -- last acquired @ order list:0
1  struct mount mtx -- last acquired @ order list:0
4   vnode interlock -- (already displayed)
0 ng_node -- last acquired @ order list:0
1  ng_worklist -- last acquired @ order list:0
0 network driver -- last acquired @ order list:0
0 802.11 com lock -- last acquired @ order list:0
0 nfsd_mtx -- last acquired @ order list:0
2  so_snd -- last acquired @ order list:0
3   so_rcv -- last acquired @ order list:0
4    sellck -- last acquired @ order list:0
4    radix node head -- last acquired @ order list:0
5     rtentry -- last acquired @ order list:0
6      ifaddr -- last acquired @ order list:0
0 bpf global lock -- last acquired @ order list:0
1  bpf interface lock -- last acquired @ order list:0
2   bpf cdev lock -- last acquired @ order list:0
0 ddp_list_mtx -- last acquired @ order list:0
1  ddp_mtx -- last acquired @ order list:0
0 slip_mtx -- last acquired @ order list:0
1  slip sc_mtx -- last acquired @ order list:0
0 tcp -- last acquired @ order list:0
1  tcpinp -- last acquired @ order list:0
2   so_snd -- (already displayed)
0 udp -- last acquired @ order list:0
1  udpinp -- last acquired @ order list:0
2   in_multi_mtx -- last acquired @ order list:0
3    igmp_mtx -- last acquired @ order list:0
4     if_addr_mtx -- last acquired @ order list:0
2   so_snd -- (already displayed)
0 unp -- last acquired @ order list:0
2  so_snd -- (already displayed)
0 accept -- last acquired @ order list:0
2  so_snd -- (already displayed)
0 Giant -- last acquired @ /usr/src/sys/kern/subr_witness.c:565
1  pipe mutex -- last acquired @ order list:0
2   sigio lock -- last acquired @ order list:0
3    process group -- last acquired @ order list:0
4     process lock -- last acquired @ order list:0
5      session -- last acquired @ order list:0
6       uidinfo hash -- last acquired @ order list:0
7        uidinfo struct -- last acquired @ order list:0
3  UMA zone -- (already displayed)
1  system map -- (already displayed)
1  UMA lock -- last acquired @ /usr/src/sys/vm/uma_core.c:1314
1  eventhandler -- last acquired @ /usr/src/sys/kern/subr_eventhandler.c:97
1  eventhandler list -- last acquired @ /usr/src/sys/kern/subr_eventhandler.c:132
2  UMA boot pages -- (already displayed)
1  kobj -- last acquired @ /usr/src/sys/kern/subr_kobj.c:307
1  kernel environment -- last acquired @ /usr/src/sys/kern/kern_environment.c:301
1  malloc -- last acquired @ /usr/src/sys/kern/kern_malloc.c:655
3  vm page queue free mutex -- (already displayed)
2  kernel object -- (already displayed)
0 proctree -- last acquired @ order list:0
1  allproc -- last acquired @ order list:0
2   allprison -- last acquired @ order list:0

Spin locks:

Locks which were never acquired:
p_peers
pbuf mutex
bufwait
bpin lock
bdone lock
buffer daemon lock
needsbuffer lock
runningbufspace lock
buf queue lock
ACPI lid
ACPI HPET support
ACPI embedded controller
ACPI root bus
ACPI PCI bus methods
ACPI power resources
ACPI CPU
ACPI PCI power methods
ACPI cmbat
ACPI generic battery
ACPI AC adapter
ACPI thermal zone
ACPI Smart Battery
ACPI PCI link
umtxql
fdesc
bounce pages lock
arc4_mtx
db_capture_sx
encapmtx
MSDOSFS fileno
mountlist
DEVFS ruleset lock
kqueue order
ip_id_mtx
firmware table
/dev/mem lock
Name Cache
net80211 instances
securelevel mutex lock
rtsock route_cb lock
rawcb
Softdep Lock
pfil_head_list lock
protect sysfilt_ops
knlist lock for lockless objects
acct_sx
so_glabel
fifo mutex
unit# allocation
devfs interlock
domain list
vm daemon
accept_filter_mtx
intr config
clone events drain lock
UUID generator mutex lock
db_script_mtx
ttylist
sleep mtxpool
sysctl lock
phys_pager list
dev_pager list
swapdev
swap_pager list
vm map sleep mutex
vm object_list
PMAP2
vm86 lock
db>  

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
I submit that "conspiracy" would be an appropriate collective noun for cats.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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