Re: External USB3 HDD: logical sector size incorrectly detected on first connect

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Am Mon, 23 Mar 2015 11:34:59 +0100
schrieb Marc Joliet <marcec@xxxxxx>:

[...]
> > - Same as above, but this time I load the uas module before plugging in the
> >   drive (I could have used usb-storage, but didn't out of mental habit).  This
> >   time the sector size is detected correctly.  There are almost 16000 lines of
> >   usbmon output from this, which is... a lot to look through for stuff to trim.
> > 
> > So in summary, I'm confused.  Why would the drive work correctly when I plug it
> > in after the fact, but not when it is plugged in before the system boots?

OK, here's the first ~250 lines of usbmon output from this.  The relevant bits
from the system log from when this file was generated:

Mär 23 00:53:28 marcec kernel: usbcore: registered new interface driver usb-storage
Mär 23 00:53:28 marcec kernel: usbcore: registered new interface driver uas
Mär 23 00:53:59 marcec kernel: usb 4-2: new SuperSpeed USB device number 2 using xhci_hcd
Mär 23 00:53:59 marcec kernel: usb-storage 4-2:1.0: USB Mass Storage device detected
Mär 23 00:53:59 marcec kernel: scsi host8: usb-storage 4-2:1.0
Mär 23 00:54:09 marcec kernel: scsi 8:0:0:0: Direct-Access     Toshiba  External USB 3.0 0201 PQ: 0 ANSI: 6
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: Attached scsi generic sg6 type 0
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] Very big device. Trying to use READ CAPACITY(16).
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] 732566645 4096-byte logical blocks: (3.00 TB/2.72 TiB)
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] Write Protect is off
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] Mode Sense: 2b 00 00 00
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] 732566645 4096-byte logical blocks: (3.00 TB/2.72 TiB)
Mär 23 00:54:09 marcec kernel:  sdf: sdf1 sdf2
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] 732566645 4096-byte logical blocks: (3.00 TB/2.72 TiB)
Mär 23 00:54:09 marcec kernel: sd 8:0:0:0: [sdf] Attached SCSI disk
Mär 23 00:54:11 marcec kernel: BTRFS: device label MARCEC_BACKUP devid 1 transid 66044 /dev/sdf2
Mär 23 00:54:12 marcec kernel: EXT4-fs (sdf1): mounted filesystem with ordered data mode. Opts: (null)
Mär 23 00:54:12 marcec udisksd[752]: Mounted /dev/sdf1 (system) at /media/TOSHIBA EXT on behalf of uid 1000
Mär 23 00:54:12 marcec kernel: BTRFS info (device sdf2): disk space caching is enabled
Mär 23 00:54:12 marcec kernel: BTRFS: has skinny extents
Mär 23 00:54:18 marcec udisksd[752]: Mounted /dev/sdf2 (system) at /media/MARCEC_BACKUP on behalf of uid 1000

So, you know, everything behaving as expected, apparently.

-- 
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup
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    20010100 00000000 00000000 000000
       . . .  . . . .  . . . .  . . .
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b8ff6d80 8.480354 C Ci:3:001:0 0 4 =
    00010000
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b8ff6d80 8.480372 C Ci:3:001:0 0 4 =
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b8ff6d80 8.480378 S Co:3:001:0 s 23 01 0010 0002 0000 0
b8ff6d80 8.480389 C Co:3:001:0 0 0
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    03020000
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bfe0dd80 9.317109 C Ci:4:002:0 0 8 =
    12010003 00000009
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    12010003 00000009 800410d0 07060102 0301
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     . . , .  . . . .  .
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     " . E .  x . t .  e . r .  n . a .  l .   .  U . S .  B .   .  3 . . .
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     . . T .  o . s .  h . i .  b . a .
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    1e033200 30003100 33003000 34003200 31003000 32003000 36003100 3200
     . . 2 .  0 . 1 .  3 . 0 .  4 . 2 .  1 . 0 .  2 . 0 .  6 . 1 .  2 .
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    00
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     U S B C  . . . .  $ . . .  . . . .  . . . $  . . . .  . . . .  . . .
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     . . . .  G . . .  T o s h  i b a .  E x t e  r n a l    U S B    3 . 0
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . %  . . . .  . . . .  . . . .  . . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .    . . .  . . . .  . . . .  . . . .  . . . .    . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . .  . ? . .  . . . .  . . . .  . . .
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     + . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . .  . ? . .  . . . .  . . . .  . . .
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     + . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . %  . . . .  . . . .  . . . .  . . .
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     + . . t  . . . .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . .  . ? . .  . . . .  . . . .  . . .
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     + . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .
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     U S B S  . . . .  . . . .  .
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    55534243 0a000000 c0000000 8000061a 003f00c0 00000000 00000000 000000
     U S B C  . . . .  . . . .  . . . .  . ? . .  . . . .  . . . .  . . .
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     + . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .
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    55534253 0a000000 90000000 00
     U S B S  . . . .  . . . .  .
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    55534243 0b000000 00100000 80000a28 00000000 00000001 00000000 000000
     U S B C  . . . .  . . . .  . . . (  . . . .  . . . .  . . . .  . . .
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     . 1 . .  . . . |  . . . .  . . . .  . . . .  . . . .  . . . .  . . . .
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    55534253 0b000000 00000000 00
     U S B S  . . . .  . . . .  .
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    55534243 0c000000 00100000 80000a28 00000000 01000001 00000000 000000
     U S B C  . . . .  . . . .  . . . (  . . . .  . . . .  . . . .  . . .
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     E F I    P A R T  . . . .  \ . . .  ; ! . ~  . . . .  . . . .  . . . .
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    55534253 0c000000 00000000 00
     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . (  . . . .  . . . .  . . . .  . . .
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     . = . .  . . r G  . y = i  . G } .  H . @ .  H 4 . M  . . S ,  6 . W .
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     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . (  . . . .  . . . .  . . . .  . . .
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    55534253 0e000000 00000000 00
     U S B S  . . . .  . . . .  .
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     U S B C  . . . .  . . . .  . . . (  . . . .  . . . .  . . . .  . . .
bfe0dc00 19.524699 C Bo:4:002:2 0 31 >
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b93a4840 19.527389 C Bi:4:002:1 0 4096 =
    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bfe0dc00 19.527405 S Bi:4:002:1 - 13 <
bfe0dc00 19.527421 C Bi:4:002:1 0 13 =
    55534253 0f000000 00000000 00
     U S B S  . . . .  . . . .  .
[...]

Attachment: pgpmh71ILXNnM.pgp
Description: Digitale Signatur von OpenPGP


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