several  workstations(hp xw4300 or xw4400, samsung HD080HJ 80G SATA) , with 
Solaris 10 (x86) 11/06. 
The system may hangs occasionally.
After the system hangs, the X is frozen. I can't telnet it.
I can get the crashdump file by using kmdb.
>--------------
After the system hangs, some system processes,such as X and snmpdx, are 
terminated by signal SIGBUS.
>--------------
I think the disk is OK, because the problem occurs on diferent hosts.
Our applications do not read/write disk frequently, so the disk load is low.
Is that a bug of sata driver module ?

>----------------------
> ::showrev
Hostname: host14.a28.com
Release: 5.10
Kernel architecture: i86pc
Application architecture: amd64
Kernel version: SunOS 5.10 i86pc Generic_125101-04
Platform: i86pc
>----------------------
> ::msgbuf -v
           TIMESTAMP           LOGCTL MESSAGE                                 
2007 Apr 28 10:01:55 ffffffff84664df0 pseudo-device: vol0
2007 Apr 28 10:01:55 ffffffff83f0e370 vol0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:56 ffffffff81bdd070 pseudo-device: pseudo1
2007 Apr 28 10:01:56 ffffffff84664f70 pseudo1 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:56 ffffffff81c76a30 
pcplusmp: ide (ata) instance 0 vector 0xe ioapic 0x1 intin 0xe is bound to cpu 1
2007 Apr 28 10:01:56 ffffffff81c76c70 
pcplusmp: ide (ata) instance 0 vector 0xe ioapic 0x1 intin 0xe is bound to cpu 0
2007 Apr 28 10:01:56 ffffffff81c76eb0   ATAPI device at targ 0, lun 0 lastlun 
0x0
2007 Apr 28 10:01:56 ffffffff81c79130   model TSSTcorpDVD-ROM TS-H352C
2007 Apr 28 10:01:56 ffffffff81c79370   ATA/ATAPI-7 supported, majver 0xf8 
minver 0x0
2007 Apr 28 10:01:56 ffffffff81c795b0 pseudo-device: ramdisk1024
2007 Apr 28 10:01:56 ffffffff81c797f0 ramdisk1024 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:56 ffffffff81c79df0 
pcplusmp: fdc (fdc) instance 0 vector 0x6 ioapic 0x1 intin 0x6 is bound to cpu 1
2007 Apr 28 10:01:56 ffffffff81c79970 ISA-device: fdc0
2007 Apr 28 10:01:56 ffffffff81bdd970 fd0 at fdc0
2007 Apr 28 10:01:56 ffffffff84476130 fd0 is /isa/[EMAIL PROTECTED],3f0/[EMAIL 
PROTECTED],0
2007 Apr 28 10:01:57 ffffffff81c794f0 pseudo-device: lockstat0
2007 Apr 28 10:01:57 ffffffff81c79070 lockstat0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c76bb0 pseudo-device: llc10
2007 Apr 28 10:01:57 ffffffff844768b0 llc10 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c76730 pseudo-device: fcsm0
2007 Apr 28 10:01:57 ffffffff81c792b0 fcsm0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c79bb0 pseudo-device: lofi0
2007 Apr 28 10:01:57 ffffffff81c7c2b0 lofi0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c762b0 pseudo-device: profile0
2007 Apr 28 10:01:57 ffffffff81c76970 profile0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c764f0 pseudo-device: systrace0
2007 Apr 28 10:01:57 ffffffff84476af0 systrace0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c72bb0 pseudo-device: fbt0
2007 Apr 28 10:01:57 ffffffff81bdddf0 fbt0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c72970 pseudo-device: sdt0
2007 Apr 28 10:01:57 ffffffff83f0eeb0 sdt0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff81c72430 pseudo-device: fasttrap0
2007 Apr 28 10:01:57 ffffffff83f0e970 fasttrap0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:57 ffffffff83f0e8b0 pseudo-device: fssnap0
2007 Apr 28 10:01:57 ffffffff801462b0 fssnap0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:58 ffffffff84664970 pseudo-device: winlock0
2007 Apr 28 10:01:58 ffffffff846647f0 winlock0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:58 ffffffff84664730 pseudo-device: rsm0
2007 Apr 28 10:01:58 ffffffff81c6fbb0 rsm0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:58 ffffffff81c6fd30 pseudo-device: pool0
2007 Apr 28 10:01:58 ffffffff84664bb0 pool0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:58 ffffffff81c6fa30 IP Filter: v4.0.3, running.
2007 Apr 28 10:01:59 ffffffff84664370 PCI Express-device: [EMAIL PROTECTED], 
ata0
2007 Apr 28 10:01:59 ffffffff846641f0 ata0 is /[EMAIL PROTECTED],0/[EMAIL 
PROTECTED],1/[EMAIL PROTECTED]
2007 Apr 28 10:01:59 ffffffff81c72df0 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff81c7c070   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff81c7c4f0 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff81c7c730   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff81c767f0 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff81c7cbb0   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff83f13070 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff81c7c970   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff80524c70 sd0 at ata0: target 0 lun 0
2007 Apr 28 10:01:59 ffffffff80524970 sd0 is /[EMAIL PROTECTED],0/[EMAIL 
PROTECTED],1/[EMAIL PROTECTED]/[EMAIL PROTECTED],0
2007 Apr 28 10:01:59 ffffffff81bdd2b0 
device pciclass,[EMAIL PROTECTED](display#0) keeps up device [EMAIL 
PROTECTED],0(sd#0), but the latter is not power managed
2007 Apr 28 10:01:59 ffffffff80524df0 pseudo-device: fcp0
2007 Apr 28 10:01:59 ffffffff80524f70 fcp0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:01:59 ffffffff81bdd730 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff855bdf70   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff855bcf70 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff855bdeb0   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff80524130   UltraDMA mode 5 selected
2007 Apr 28 10:01:59 ffffffff855bddf0 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff855bdd30   PIO mode 4 selected
2007 Apr 28 10:01:59 ffffffff855bdc70 
        ATA DMA off: disabled.  Control with "atapi-cd-dma-enabled" property
2007 Apr 28 10:01:59 ffffffff855bdbb0   PIO mode 4 selected
2007 Apr 28 10:02:10 ffffffff81c7cdf0 pseudo-device: devinfo0
2007 Apr 28 10:02:10 ffffffff855bcdf0 devinfo0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 10:02:11 ffffffff855bd370 pseudo-device: pm0
2007 Apr 28 10:02:11 ffffffff83f13430 pm0 is /pseudo/[EMAIL PROTECTED]
2007 Apr 28 15:59:24 ffffffff855bd970 
pcplusmp: asy (asy) instance 0 vector 0x4 ioapic 0x1 intin 0x4 is bound to cpu 0
2007 Apr 28 15:59:24 ffffffff844762b0 ISA-device: asy0
2007 Apr 28 15:59:24 ffffffff855bc4f0 asy0 is /isa/[EMAIL PROTECTED],3f8
2007 Apr 30 16:46:26 fffffe80b25eb670 WARNING: iprb0: no MII link detected
2007 Apr 30 16:51:26 ffffffff90ecaeb0 NOTICE: iprb0: 100 Mbps full-duplex link 
up
2007 May  9 02:23:30 fffffe80b25ed130 


WARNING: /[EMAIL PROTECTED],0/[EMAIL PROTECTED],2/[EMAIL PROTECTED] (ata2):
        timeout: abort request, target=0 lun=0
2007 May  9 02:23:30 ffffffff90eca4f0 
WARNING: /[EMAIL PROTECTED],0/[EMAIL PROTECTED],2/[EMAIL PROTECTED] (ata2):
        timeout: abort device, target=0 lun=0
2007 May  9 02:23:30 ffffffff801467f0 
WARNING: /[EMAIL PROTECTED],0/[EMAIL PROTECTED],2/[EMAIL PROTECTED] (ata2):
        timeout: reset target, target=0 lun=0
2007 May  9 02:23:30 ffffffff855bc5b0 
WARNING: /[EMAIL PROTECTED],0/[EMAIL PROTECTED],2/[EMAIL PROTECTED] (ata2):
        timeout: reset bus, target=0 lun=0
2007 May  9 02:23:30 ffffffff85aa2a30 
WARNING: /[EMAIL PROTECTED],0/[EMAIL PROTECTED],2/[EMAIL PROTECTED]/[EMAIL 
PROTECTED],0 (Disk0):
        Error for command 'write sector'        Error Level: Informational
2007 May  9 02:23:30 ffffffff8299c2b0   Sense Key: aborted command
2007 May  9 02:23:30 ffffffff83f0e2b0   Vendor 'Gen-ATA ' error code: 0x3
2007 May  9 02:23:30 ffffffff821b02b0 WARNING: Error writing ufs log
2007 May  9 02:23:30 ffffffff821b0730 WARNING: ufs log for /usr changed state 
to Error
2007 May  9 02:23:30 ffffffff821b0430 WARNING: Please umount(1M) /usr and run 
fsck(1M)


2007 May  9 08:15:16 ffffffff90ec88b0 
panic[cpu0]/thread=fffffe80000b3c80: 
2007 May  9 08:15:16 fffffe90d63ddeb0 
BAD TRAP: type=e (#pf Page fault) rp=fffffe80000b38b0 addr=0 occurred in module 
"<unknown>" due to a NU
LL pointer dereference
2007 May  9 08:15:16 fffffe90d63ddd30 

2007 May  9 08:15:16 fffffe90d6383070 sched: 
2007 May  9 08:15:16 fffffe90d63ddc70 #pf Page fault
2007 May  9 08:15:16 fffffe90d63831f0 Bad kernel fault at addr=0x0
2007 May  9 08:15:16 fffffe90d63dddf0 pid=0, pc=0x0, sp=0xfffffe80000b39a8, 
eflags=0x10002
2007 May  9 08:15:16 fffffe90d63834f0 
cr0: 8005003b<pg,wp,ne,et,ts,mp,pe> cr4: 6b0<xmme,fxsr,pge,pae,pse>
2007 May  9 08:15:16 fffffe90d63ddf70 cr2: 0 cr3: 8b2f000 cr8: c
2007 May  9 08:15:16 fffffe90d6383130 
        rdi:              286 rsi:                4 rdx:                0
2007 May  9 08:15:16 fffffe90d63832b0 
        rcx:             1000  r8:                0  r9:                0
2007 May  9 08:15:16 fffffe90d6383370 
        rax: fffffffffbcc17c0 rbx:                0 rbp: fffffe80000b39b0
2007 May  9 08:15:16 fffffe90d6383430 
        r10:                1 r11:                0 r12:                0
2007 May  9 08:15:16 fffffe90d63835b0 
        r13:                4 r14: fffffe80b59bf580 r15:                0
2007 May  9 08:15:16 fffffe90d6383730 
        fsb: ffffffff80000000 gsb: fffffffffbc240e0  ds:               43
2007 May  9 08:15:16 fffffe90d6383970 
         es:               43  fs:                0  gs:              1c3
2007 May  9 08:15:16 fffffe90d6383bb0 
        trp:                e err:               10 rip:                0
2007 May  9 08:15:16 fffffe90d6383af0 
         cs:               28 rfl:            10002 rsp: fffffe80000b39a8
2007 May  9 08:15:16 fffffe90d6383d30    ss:               30
2007 May  9 08:15:16 fffffe90d6383c70 
2007 May  9 08:15:16 fffffe90d6383eb0 fffffe80000b37c0 unix:die+da ()
2007 May  9 08:15:16 fffffe90d63824f0 fffffe80000b38a0 unix:trap+d77 ()
2007 May  9 08:15:16 fffffe90d6382070 fffffe80000b38b0 unix:cmntrap+13f ()
2007 May  9 08:15:16 fffffe90d6382a30 fffffe80000b39b0 0 ()
2007 May  9 08:15:16 fffffe90d6382430 fffffe80000b39c0 genunix:kdi_dvec_enter+d 
()
2007 May  9 08:15:16 fffffe90d6382370 fffffe80000b39e0 unix:debug_enter+66 ()
2007 May  9 08:15:16 fffffe90d63822b0 fffffe80000b3a00 
unix:abort_sequence_enter+39 ()
2007 May  9 08:15:16 fffffe90d63821f0 fffffe80000b3a30 
kbtrans:kbtrans_streams_key+c7 ()
2007 May  9 08:15:16 fffffe90d6382130 fffffe80000b3a50 conskbd:conskbdlrput+d6 
()
2007 May  9 08:15:16 fffffe90d63dd5b0 fffffe80000b3ab0 unix:putnext+1f1 ()
2007 May  9 08:15:16 fffffe90d63dd4f0 fffffe80000b3ae0 
kbtrans:kbtrans_queueevent+72 ()
2007 May  9 08:15:16 fffffe90d63dd430 fffffe80000b3af0 
kbtrans:kbtrans_queuepress+5e ()
2007 May  9 08:15:16 fffffe90d63dd370 fffffe80000b3b30 
kbtrans:kbtrans_untrans_keypressed_raw+49 ()
2007 May  9 08:15:16 fffffe90d63dd2b0 fffffe80000b3b40 
kbtrans:kbtrans_processkey+1c ()
2007 May  9 08:15:16 fffffe90d63dd1f0 fffffe80000b3b70 
kbtrans:kbtrans_streams_key+55 ()
2007 May  9 08:15:16 fffffe90d63dd130 fffffe80000b3b80 
kb8042:kb8042_process_key+2d ()
2007 May  9 08:15:16 fffffe90d63dd070 fffffe80000b3bb0 
kb8042:kb8042_received_byte+94 ()
2007 May  9 08:15:16 fffffe90d63d7f70 fffffe80000b3be0 kb8042:kb8042_intr+a5 ()
2007 May  9 08:15:16 fffffe90d63d7eb0 fffffe80000b3c10 i8042:i8042_intr+107 ()
2007 May  9 08:15:16 fffffe90d63d7df0 fffffe80000b3c60 
unix:av_dispatch_autovect+78 ()
2007 May  9 08:15:16 fffffe90d63d7d30 fffffe80000b3c70 unix:intr_thread+50 ()
2007 May  9 08:15:16 fffffe90d63d7c70 
2007 May  9 08:15:16 fffffe90d63d7bb0 syncing file systems...
2007 May  9 08:15:16 fffffe90d63d7af0  done
2007 May  9 08:15:17 fffffe90d63d7a30 dumping to /dev/dsk/c0d0s4, offset 
431030272, content: kernel
>   
> 
> 
> ::cpuinfo -v
ID ADDR        FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD      PROC
  0 fffffffffbc2bbe0  1b    1    0 164   no    no t-1    fffffe80000b3c80 sched
                  |    |    |
       RUNNING <--+    |    +--> PIL THREAD
         READY         |           5 fffffe80000b3c80
        EXISTS         |           - fffffe8000005c80 (idle)
        ENABLE         |
                       +-->  PRI THREAD      PROC
                              60 ffffffff82760460 fsflush

ID ADDR        FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD      PROC
  1 ffffffff822a3000  1f    0    0  -1   no    no t-0    fffffe800036bc80 (idle)
                  |    
       RUNNING <--+    
         READY         
      QUIESCED         
        EXISTS         
        ENABLE         

> 
> 
> ::memstat
Page Summary                Pages                MB  %Tot
------------     ----------------  ----------------  ----
Kernel                      36420               142   14%
Anon                        24871                97   10%
Exec and libs                1006                 3    0%
Page cache                   3837                14    1%
Free (cachelist)            15200                59    6%
Free (freelist)            177582               693   69%
 
 
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