[Bug 200517] WD Elements USB fails after few GB write

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri May 29 14:17:04 UTC 2015


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200517

--- Comment #2 from braddeicide at hotmail.com ---
I don't know how to do that, If that offset is decimal LBA then the cylinders
appears too high, but I don't know what i'm doing here :)
(http://homepage2.nifty.com/cars/misc/chs2lba.html) 

da6: 2861556MB (732558336 4096 byte sectors: 255H 63S/T 45599C)

diskinfo -c da6
da6
        4096            # sectorsize
        3000558944256   # mediasize in bytes (2.7T)
        732558336       # mediasize in sectors
        0               # stripesize
        0               # stripeoffset
        45599           # Cylinders according to firmware.
        255             # Heads according to firmware.
        63              # Sectors according to firmware.



I tried to dump to UFS instead to rule out ZFS and managed to panic the kernel
with a page fault.

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