Working through the debug data it looks quite odd: while the bigger
device acts normal (as far as there is a normal with the bug) up to the
point of trying to read the very last sector, the other is returning the
no sense errors much sooner.
The capacity returned is 120093 sectors with 512 bytes (so 120092 would
be the number of the last sector). As this devices returns the wrong
thing, the last sector would actually be 120091). From the trace I can
see, that there is one operation repeated over and over again. And this
is to read 8 sectors, starting from 120072. That would be 120072 to
120079, which is way before the returned end of the device.
In theory, editing /lib/udev/rules.d/60-persistent-storage.rules as root
(while the phone is unplugged) from
KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode"
to
KERNEL!="sr*", IMPORT{program}="vol_id --export --skip-raid $tempnode"
should temporarily prevent reading the last sectors (don't forget to
remove the --skip-raid after the test!). Then you could plug in the
phone and obtain the partition table ("sudo fdisk -l"). It would be
interesting how much of the smaller device (I guess that is the internal
one) is used by the partition. But the underlying problem is that the
device seems to fail much sooner than a off-by one sector.
--
usbstorage: Sony-Ericsson W760i "No sense [current]"
https://bugs.launchpad.net/bugs/400652
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