FreeBSD 7.0beta4 panic on ftp transfer

[Михаил Кипа]

SO I have 7.0beta4 on my server. My HDD have such configuration:

ad4: 476940MB <SAMSUNG HD501LJ CR100-10> at ata2-master SATA300
ad6: 476940MB <SAMSUNG HD501LJ CR100-11> at ata3-master SATA300
ad10: 152627MB <WDC WD1600AAJS-22PSA0 05.06H05> at ata5-master SATA150
ad12: 152627MB <WDC WD1600AAJS-22PSA0 05.06H05> at ata6-master SATA150
ar0: 476928MB <JMicron Technology Corp RAID1> status: READY
ar0: disk0 READY (master) using ad4 at ata2-master
ar0: disk1 READY (mirror) using ad6 at ata3-master
ar1: 152627MB <VIA Tech V-RAID RAID1> status: READY
ar1: disk0 READY (master) using ad10 at ata5-master
ar1: disk1 READY (mirror) using ad12 at ata6-master
SMP: AP CPU #1 Launched!


During ftp transfer (among 10GB to server) I have kernel panic and reboon wiht 
such log messages:

Dec 17 01:27:24 SERVER ftpd[11594]: ANONYMOUS FTP LOGIN REFUSED FROM MISHA.w
Dec 17 01:34:25 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491351
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491479
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:35:41 SERVER kernel: ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491479
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491607
Dec 17 01:49:17 SERVER syslogd: kernel boot file is /boot/kernel/kernel
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:35:41 SERVER kernel: ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491607
Dec 17 01:49:17 SERVER syslogd: kernel boot file is /boot/kernel/kernel
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491735
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) 
LBA=211491863
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: TIMEOUT - WRITE_DMA retrying (0 retries left) 
LBA=211491607
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: TIMEOUT - WRITE_DMA retrying (0 retries left) 
LBA=211491735
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: TIMEOUT - WRITE_DMA retrying (0 retries left) 
LBA=211491735
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad4: TIMEOUT - WRITE_DMA retrying (0 retries left) 
LBA=211491863
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES SET TRANSFER MODE 
taskqueue timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE RCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SETFEATURES ENABLE WCACHE taskqueue 
timeout - completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - SET_MULTI taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: FAILURE - WRITE_DMA timed out LBA=211491607
Dec 17 01:49:17 SERVER kernel: ad4: WARNING - WRITE_DMA taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel: ad6: WARNING - WRITE_DMA taskqueue timeout - 
completing request directly
Dec 17 01:49:17 SERVER kernel:
Dec 17 01:49:17 SERVER kernel:
Dec 17 01:49:17 SERVER kernel: Fatal trap 12: page fault while in kernel mode
Dec 17 01:49:17 SERVER kernel: cpuid = 0; apic id = 00
Dec 17 01:49:17 SERVER kernel: fault virtual address    = 0x18
Dec 17 01:49:17 SERVER kernel: fault code               = supervisor read data, 
page not present
Dec 17 01:49:17 SERVER kernel: instruction pointer      = 0x8:0xffffffff80221bec
Dec 17 01:49:17 SERVER kernel: stack pointer            = 0x10:0xffffffffab692af0
Dec 17 01:49:17 SERVER kernel: frame pointer            = 0x10:0xffffff0029b72bd0
Dec 17 01:49:17 SERVER kernel: code segment             = base 0x0, limit 0xfffff, 
type 0x1b
Dec 17 01:49:17 SERVER kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
Dec 17 01:49:17 SERVER kernel: processor eflags = interrupt enabled, resume, IOPL 
= 0
Dec 17 01:49:17 SERVER kernel: current process          = 17 (swi6: task queue)
Dec 17 01:49:17 SERVER kernel: trap number              = 12
Dec 17 01:49:17 SERVER kernel: panic: page fault
Dec 17 01:49:17 SERVER kernel: cpuid = 0
Dec 17 01:49:17 SERVER kernel: Uptime: 3d5h9m56s

ad4 and ad6 is my mirror RAID on which I try to write!
Anyone can explain to what does it mean???
Mihail