dhclient iwi0 get into crash my laptop

After successful installation of iwi-firmware/iwicontrol.

1.I can to see following message in /var/log/messages
Mar 5 16:00:00 xen newsyslog[91066]: logfile turned over due to size>100K

Mar 5 16:15:10 xen kernel: malloc(M_WAITOK) of "g_bio", forcing M_NOWAIT with the following non-sleepable locks held:

Mar 5 16:15:10 xen kernel: exclusive sleep mutex iwi0 (network driver) r = 0 (0xc34bab50) locked _at_ /usr/src/sys/dev/iwi/if_iwi.c:1966

Mar 5 16:15:10 xen kernel: KDB: stack backtrace:

Mar 5 16:15:10 xen kernel: kdb_backtrace(1,c354b700,c103d480,cd78d478,d695c964) at kdb_backtrace+0x29

Mar 5 16:15:10 xen kernel: witness_warn(5,0,c07c908f,c07aac8d,c354b700) at witness_warn+0x192

Mar 5 16:15:10 xen kernel: uma_zalloc_arg(c103d480,0,102) at uma_zalloc_arg+0x41

Mar 5 16:15:10 xen kernel: g_alloc_bio(c354b6c0,c354b700,cd78d478,1,d695c9b8) at g_alloc_bio+0x15

Mar 5 16:15:10 xen kernel: swapgeom_strategy(cd78d478,c354b700,c088c050,0,c07c8a10) at swapgeom_strategy+0x31

Mar 5 16:15:10 xen kernel: swp_pager_strategy(cd78d478,0,0,c,0) at swp_pager_strategy+0x67

Mar 5 16:15:10 xen kernel: swap_pager_putpages(c5668168,d695ca70,1,1,d695ca30) at swap_pager_putpages+0x3c2

Mar 5 16:15:10 xen kernel: default_pager_putpages(c5668168,d695ca70,1,1,d695ca30) at default_pager_putpages+0x18

Mar 5 16:15:10 xen kernel: vm_pageout_flush(d695ca70,1,1,c18dc290,c06e8827) at vm_pageout_flush+0x112

Mar 5 16:15:10 xen kernel: vm_contig_launder_page(c18dc290) at vm_contig_launder_page+0x192

Mar 5 16:15:10 xen kernel: vm_page_alloc_contig(2a,0,0,ffffffff,4) at vm_page_alloc_contig+0x34d

Mar 5 16:15:10 xen kernel: contigmalloc(29190,c07fba00,1,0,ffffffff) at contigmalloc+0x79

Mar 5 16:15:10 xen kernel: bus_dmamem_alloc(c4e24980,d695cb54,1,d695cb58,200004) at bus_dmamem_alloc+0xa8

Mar 5 16:15:10 xen kernel: iwi_load_firmware(c34ba000,c079d963) at iwi_load_firmware+0xde

Mar 5 16:15:10 xen kernel: iwi_init(c34ba000) at iwi_init+0x37a

Mar 5 16:15:10 xen kernel: iwi_ioctl(c34c7800,80206910,c352e420) at iwi_ioctl+0x52

Mar 5 16:15:10 xen kernel: ifhwioctl(80206910,c34c7800,c352e420,c394dae0,c07b25d1) at ifhwioctl+0x342

Mar 5 16:15:10 xen kernel: ifioctl(c370be44,80206910,c352e420,c394dae0,0) at ifioctl+0xbd

Mar 5 16:15:10 xen kernel: soo_ioctl(c36b46c0,80206910,c352e420,c418f080,c394dae0) at soo_ioctl+0x2db

Mar 5 16:15:10 xen kernel: ioctl(c394dae0,d695cd04,c394cb04,c,c394dae0) at ioctl+0x370

Mar 5 16:15:10 xen kernel: syscall(3b,3b,3b,3,1) at syscall+0x27e

Mar 5 16:15:10 xen kernel: Xint0x80_syscall() at Xint0x80_syscall+0x1f

Mar 5 16:15:10 xen kernel: --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x281482db, esp = 0xbfbfe44c, ebp = 0xbfbfe498 ---

Mar 5 16:15:10 xen kernel: Sleeping on "swwrt" with the following non-sleepable locks held:

Mar 5 16:15:10 xen kernel: exclusive sleep mutex iwi0 (network driver) r = 0 (0xc34bab50) locked _at_ /usr/src/sys/dev/iwi/if_iwi.c:1966

Mar 5 16:15:10 xen kernel: KDB: stack backtrace:

Mar 5 16:15:10 xen kernel: kdb_backtrace(1,c394cb04,c394dae0,c07c8b45,d695c984) at kdb_backtrace+0x29

Mar 5 16:15:10 xen kernel: witness_warn(5,c0881960,c07b1683,c07c8b45) at witness_warn+0x192

Mar 5 16:15:10 xen kernel: msleep(cd78d478,c0881960,44,c07c8b45,0) at msleep+0x42

Mar 5 16:15:10 xen kernel: bwait(cd78d478,44,c07c8b45,cd78d478,0) at bwait+0x47

Mar 5 16:15:10 xen kernel: swap_pager_putpages(c5668168,d695ca70,1,1,d695ca30) at swap_pager_putpages+0x3d1

Mar 5 16:15:10 xen kernel: default_pager_putpages(c5668168,d695ca70,1,1,d695ca30) at default_pager_putpages+0x18

Mar 5 16:15:10 xen kernel: vm_pageout_flush(d695ca70,1,1,c18dc290,c06e8827) at vm_pageout_flush+0x112

Mar 5 16:15:10 xen kernel: vm_contig_launder_page(c18dc290) at vm_contig_launder_page+0x192

Mar 5 16:15:10 xen kernel: vm_page_alloc_contig(2a,0,0,ffffffff,4) at vm_page_alloc_contig+0x34d

Mar 5 16:15:10 xen kernel: contigmalloc(29190,c07fba00,1,0,ffffffff) at contigmalloc+0x79

Mar 5 16:15:10 xen kernel: bus_dmamem_alloc(c4e24980,d695cb54,1,d695cb58,200004) at bus_dmamem_alloc+0xa8

Mar 5 16:15:10 xen kernel: iwi_load_firmware(c34ba000,c079d963) at iwi_load_firmware+0xde

Mar 5 16:15:10 xen kernel: iwi_init(c34ba000) at iwi_init+0x37a

Mar 5 16:15:10 xen kernel: iwi_ioctl(c34c7800,80206910,c352e420) at iwi_ioctl+0x52

Mar 5 16:15:10 xen kernel: ifhwioctl(80206910,c34c7800,c352e420,c394dae0,c07b25d1) at ifhwioctl+0x342

Mar 5 16:15:10 xen kernel: ifioctl(c370be44,80206910,c352e420,c394dae0,0) at ifioctl+0xbd

Mar 5 16:15:10 xen kernel: soo_ioctl(c36b46c0,80206910,c352e420,c418f080,c394dae0) at soo_ioctl+0x2db

Mar 5 16:15:10 xen kernel: ioctl(c394dae0,d695cd04,c394cb04,c,c394dae0) at ioctl+0x370

Mar 5 16:15:10 xen kernel: syscall(3b,3b,3b,3,1) at syscall+0x27e

Mar 5 16:15:10 xen kernel: Xint0x80_syscall() at Xint0x80_syscall+0x1f

Mar 5 16:15:10 xen kernel: --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x281482db, esp = 0xbfbfe44c, ebp = 0xbfbfe498 ---



2.Also when I try to run "dhclient iwi0" goes into db> prompt and I reset notebook/



Balgaa