SCSI Lun Probe 调用栈

#0  scsi_probe_and_add_lun (starget=0xc760c800, lun=0, bflagsp=0xc7c19ba4,
    sdevp=0x0, rescan=0, hostdata=0x0) at drivers/scsi/scsi_scan.c:978
#1  0xc019e088 in __scsi_scan_target (parent=0xc74960d8, channel=0, id=0,
    lun=4294967295, rescan=0) at drivers/scsi/scsi_scan.c:1550
#2  0xc019e538 in scsi_scan_channel (shost=0xc7496000, channel=0, id=0,
    lun=4294967295, rescan=0) at drivers/scsi/scsi_scan.c:1626
#3  0xc019e608 in scsi_scan_host_selected (shost=0xc760c800, channel=1,
    id=3351354276, lun=0, rescan=0) at drivers/scsi/scsi_scan.c:1654
#4  0xc019e6e8 in do_scsi_scan_host (shost=0xc7496000)
    at drivers/scsi/scsi_scan.c:1786
#5  0xc019eb50 in scsi_scan_host (shost=0xc7496000)
    at drivers/scsi/scsi_scan.c:1813
#6  0xc01a6ca8 in sym2_probe (pdev=0xc7c10800, ent=)
    at drivers/scsi/sym53c8xx_2/sym_glue.c:1731
#7  0xc015f5c8 in pci_device_probe (dev=0xc7c10850)
    at drivers/pci/pci-driver.c:183
#8  0xc018df10 in driver_probe_device (drv=0xc0335834, dev=0xc7c10850)
    at drivers/base/dd.c:121
#9  0xc018e128 in __driver_attach (dev=0xc7c10850, data=0xc760c800)
    at drivers/base/dd.c:262
#10 0xc018d290 in bus_for_each_dev (bus=,
    start=, data=0x0, fn=0xc018e0a4 <__driver_attach>)
    at drivers/base/bus.c:306
---Type to continue, or q to quit---
#11 0xc018dd48 in driver_attach (drv=0xc7c19ba4) at drivers/base/dd.c:281
#12 0xc018d600 in bus_add_driver (drv=0xc0335834) at drivers/base/bus.c:647
#13 0xc018e3b0 in driver_register (drv=0xc0335834) at drivers/base/driver.c:161
#14 0xc015f76c in __pci_register_driver (drv=0xc0335804, owner=0x0,
    mod_name=0xc7c19ba4 "") at drivers/pci/pci-driver.c:426
#15 0xc0019e94 in sym2_init () at include/linux/pci.h:631
#16 0xc00087a4 in kernel_init (unused=) at init/main.c:681
#17 0xc0048168 in sys_waitid (which=0, pid=0, infop=0xc7c19ba4,
    options=-943613128, ru=Cannot access memory at address 0x4