Re: [Ugly PATCH] Again: panic kmem_malloc()

[Ben Stuyts]

This is a repost. Forgive me if you see it twice, but it didn't turn up in the -current list.

Hi,

Just had another panic, same kmem_malloc(). I did a trace but forgot to write the traceback down. In any case, there was a semop() call in the traceback. Furthermore, this might be interesting: the last vmstat -m log before the panic. Maybe someone can check if these values are reasonable? The system has 64 MB memory and has been up for about 24 hrs with almost no load.

[terminus.stuyts.nl ben/bin]4: cat vmstatlog.4

Type InUse MemUse HighUse Requests Size(s)
atkbddev 2 1K 1K 2 32
pfs_fileno 1 32K 32K 1 32768
nexusdev 2 1K 1K 2 16
memdesc 1 4K 4K 1 4096
legacydrv 3 1K 1K 3 16
VM pgdata 1 4K 4K 1 4096
pfs_nodes 20 3K 3K 20 128
MSDOSFS mount 1 8K 8K 1 8192
UFS mount 12 23K 39K 14 256,2048,4096,16384
UFS ihash 1 16K 16K 1 16384
UFS dirhash 189 36K 52K 1695 16,32,64,128,256,512
FFS node 11086 2079K 2096K 1000908 128,256
newdirblk 0 0K 1K 5 16
dirrem 5 1K 34K 18098 32
mkdir 0 0K 3K 524 32
diradd 0 0K 9K 18045 32
freefile 5 1K 31K 12022 32
freeblks 7 2K 247K 10187 256
freefrag 2 1K 2K 36405 32
allocindir 4 1K 204K 257072 64
indirdep 2 1K 876K 2172 32,8192
allocdirect 1 1K 33K 51562 128
bmsafemap 8 1K 3K 6606 32
newblk 1 1K 1K 308635 64,256
inodedep 12 18K 168K 31012 128,16384
pagedep 10 3K 7K 6114 64,2048
p1003.1b 1 1K 1K 1 16
NFS daemon 5 3K 3K 5 256,512
NFS srvsock 2 1K 1K 2 128
ip6_moptions 1 1K 1K 1 16
in6_multi 10 1K 1K 10 16,64
syncache 1 8K 8K 1 8192
IpFw/IpAcct 30 4K 4K 30 64,128
in_multi 2 1K 1K 2 32
routetbl 41 6K 6K 78 16,32,64,128,256
lo 1 1K 1K 1 512
clone 3 12K 12K 3 4096
ether_multi 35 2K 2K 35 16,32,64
ifaddr 22 7K 7K 22 32,256,512,2048
BPF 6 9K 9K 6 128,256,4096
mount 20 4K 4K 24 16,32,128,512
vnodes 23 6K 6K 137 16,32,64,128,256
cluster_save buffer 0 0K 1K 9793 32,64
vfscache 5226 381K 436K 534189 64,128,256,32768
BIO buffer 8 10K 317K 4611 512,1024,2048
DEVFS 121 22K 22K 121 16,32,128,8192
pcb 38 5K 6K 1913 16,32,64,2048
soname 4 1K 1K 39624 16,32,128
ptys 2 1K 1K 2 512
ttys 488 65K 85K 6431 128,512
shm 3 18K 19K 9 16,1024,16384
sem344456 5390K 5390K 344456 16,1024,4096
msg 4 25K 25K 4 512,4096,16384
ioctlops 0 0K 1K 22 512,1024
USBdev 1 1K 2K 4 128,512
USB 15 21K 22K 701353 16,32,128,256,4096
taskqueue 1 1K 1K 1 128
sbuf 0 0K 5K 34 32,64,4096
rman 99 7K 7K 496 16,64,128
mbufmgr 116 16K 16K 116 32,64,128,2048,8192
kobj 127 508K 508K 127 4096
eventhandler 22 2K 2K 22 32,128
bus 470 39K 40K 1363 16,32,64,128,256,512,2048,4096,8192
SWAP 2 73K 73K 2 64
sysctltmp 0 0K 4K 802428 16,32,64,128,256,512,1024,4096
sysctl 0 0K 1K 19359 16,32,64
uidinfo 7 1K 1K 7121 32,128
cred 38 5K 9K 142297 128
subproc 105 11K 15K 52100 64,256
proc 2 1K 1K 2 512
session 33 5K 6K 2102 128
pgrp 39 5K 6K 2278 128
module 171 11K 11K 171 64
ip6ndp 3 1K 1K 4 64,128,512
temp 9 54K 286K 156410 16,32,64,128,256,512,1024,2048,4096,8192,16384,32768
devbuf 474 965K 997K 2333 16,32,64,128,256,512,1024,2048,4096,8192,32768
lockf 6 1K 1K 29935 64
feeder 48 1K 1K 48 16
linker 65 13K 18K 85 16,32,256,1024,4096,8192
KTRACE 100 13K 13K 100 128
ithread 40 7K 7K 41 64,256
atexit 2 1K 1K 2 16
zombie 0 0K 1K 50212 128
proc-args 44 3K 5K 68838 16,32,64,128,256
kqueue 3 3K 5K 1339 256,1024
kenv 46 4K 4K 47 16,32,64,2048
sigio 1 1K 1K 1 32
file desc 88 22K 33K 50302 256
dev_t 51 13K 13K 51 256
ppbusdev 1 1K 1K 1 128
ISOFS mount 1 16K 16K 1 16384
isadev 22 2K 2K 22 64
pfs_vncache 1 1K 1K 48 32

Kind regards,
Ben

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