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Date:      Tue, 26 Jun 2012 22:25:36 +0300
From:      Alexander Yerenkow <yerenkow@gmail.com>
To:        FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Subject:   Strange reboot
Message-ID:  <CAPJF9wn4TP38KqsJpQnXQW887YONMm856HEodn=eiDA8=D-3FA@mail.gmail.com>

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Hello guys.
I have a freebsd installation for routing/and other general purposes
(file share/web etc).
which is freebsd-updated to 9-stable

I have there such cardreader:

# usbconfig -u 4 -a 2
ugen4.2: <USB Storage vendor 0x05e3> at usbus4, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=ON

# usbconfig -u 4 -a 2 dump_device_desc
ugen4.2: <USB Storage vendor 0x05e3> at usbus4, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=ON

  bLength = 0x0012
  bDescriptorType = 0x0001
  bcdUSB = 0x0200
  bDeviceClass = 0x0000
  bDeviceSubClass = 0x0000
  bDeviceProtocol = 0x0000
  bMaxPacketSize0 = 0x0040
  idVendor = 0x05e3
  idProduct = 0x070e
  bcdDevice = 0x9602
  iManufacturer = 0x0000  <no string>
  iProduct = 0x0001  <USB Storage>
  iSerialNumber = 0x0002  <000000009602>
  bNumConfigurations = 0x0001


# usbconfig -u 4 -a 2 dump_curr_config_desc
ugen4.2: <USB Storage vendor 0x05e3> at usbus4, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=ON


 Configuration index 0

    bLength = 0x0009
    bDescriptorType = 0x0002
    wTotalLength = 0x0020
    bNumInterfaces = 0x0001
    bConfigurationValue = 0x0001
    iConfiguration = 0x0000  <no string>
    bmAttributes = 0x0080
    bMaxPower = 0x00fa

    Interface 0
      bLength = 0x0009
      bDescriptorType = 0x0004
      bInterfaceNumber = 0x0000
      bAlternateSetting = 0x0000
      bNumEndpoints = 0x0002
      bInterfaceClass = 0x0008
      bInterfaceSubClass = 0x0006
      bInterfaceProtocol = 0x0050
      iInterface = 0x0000  <no string>

     Endpoint 0
        bLength = 0x0007
        bDescriptorType = 0x0005
        bEndpointAddress = 0x0081  <IN>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200
        bInterval = 0x0000
        bRefresh = 0x0000
        bSynchAddress = 0x0000

     Endpoint 1
        bLength = 0x0007
        bDescriptorType = 0x0005
        bEndpointAddress = 0x0002  <OUT>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200
        bInterval = 0x0000
        bRefresh = 0x0000
        bSynchAddress = 0x0000


It have pretty strange behavior (like "stuck" gpart show entries, when
pluggin new device, which is fixed by reset though), but it kinda
working.
And I have repeatable panic (probably) or reset, with such last
messages in dmesg:

da2 at umass-sim0 bus 0 scbus7 target 0 lun 2
da2: <Generic STORAGE DEVICE 9602> Removable Direct Access SCSI-0 device
da2: 40.000MB/s transfers
da2: 3781MB (7744512 512 byte sectors: 255H 63S/T 482C)
...
g_vfs_done():da2s1[WRITE(offset=3227648, length=4096)]error = 5
g_vfs_done():da2s1[WRITE(offset=3227648, length=4096)]error = 5
g_vfs_done():da2s1[WRITE(offset=3227648, length=4096)]error = 5
fsync: giving up on dirty
0xfffffe012e30c3c0: tag devfs, type VCHR
    usecount 1, writecount 0, refcount 122 mountedhere 0xfffffe0046468200
    flags ()
    v_object 0xfffffe0046389360 ref 0 pages 120
    lock type devfs: UNLOCKED
        dev da2s1


I'm producing this panic by trying to mount 4gb microsd card, like this:

mount -t msdosfs /dev/da2s1 /mnt

The card itself have fresh FAT32 one (just formatted+erased by panasonic tool).

I will probably have some time to toy with this on thursday, I need to
get a monitor to see console.



-- 
Regards,
Alexander Yerenkow



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