> On Jan 7, 2018, at 5:44 PM, Jon Brawn <j...@brawn.org> wrote:
> 
> 
>> On Jan 6, 2018, at 10:18 PM, blubee blubeeme <gurenc...@gmail.com> wrote:
>> 
>> On Sun, Jan 7, 2018 at 12:11 PM, Warner Losh <i...@bsdimp.com> wrote:
>> 
>>> 
>>> 
>>> On Sat, Jan 6, 2018 at 8:56 PM, blubee blubeeme <gurenc...@gmail.com>
>>> wrote:
>>> 
>>>> I ask does FreeBSD usb stack actually implements USB spec 2.0 or greater
>>>> and the topic gets derailed...?
>>>> 
>>> 
>>> Yes, it does.
>>> 
>>> 
>>>> Are you guys saying that 7-8MB/s is USB speeds?
>>>> 
>>> 
>>> I've gotten up to 24MB/s for maybe a decade. That's not possible with USB
>>> 1.x. More recently, I've maxed out the writes on a USB stick at about
>>> 75MB/s (the fastest it will do), which isn't possible with USB 2.0... I've
>>> not tried USB3 with an SSD that can do more....
>>> 
>>> Warner
>>> 
>>> 
>>>> On Thu, Jan 4, 2018 at 6:44 PM, O'Connor, Daniel <dar...@dons.net.au>
>>>> wrote:
>>>> 
>>>>> 
>>>>> 
>>>>>> On 4 Jan 2018, at 09:23, Gary Jennejohn <gljennj...@gmail.com> wrote:
>>>>>>> What is an "LG v30"?
>>>>>>> 
>>>>>> It's a smartphone from LG and only supports USB2 speed.  The reported
>>>>>> transfer rate is no big surprise.
>>>>> 
>>>>> OK thanks.
>>>>> 
>>>>> --
>>>>> Daniel O'Connor
>>>>> "The nice thing about standards is that there
>>>>> are so many of them to choose from."
>>>>> -- Andrew Tanenbaum
>>>>> GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
>>>>> 
>>>>> 
>>>> _______________________________________________
>>>> freebsd-current@freebsd.org mailing list
>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-current
>>>> To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org
>>>> "
>>>> 
>>> 
>>> I just connected a Transcend StorageJet 1TB hdd not a mobile phone
>> -------------------------------------------------------------------
>> Jan  7 11:56:56 blubee kernel: umass0 on uhub0
>> Jan  7 11:56:56 blubee kernel: umass0: <StoreJet Transcend StoreJet
>> Transcend, class 0/0, rev 3.00/80.00, addr 4> on usbus0
>> Jan  7 11:56:56 blubee kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0100
>> Jan  7 11:56:56 blubee kernel: umass0:3:0: Attached to scbus3
>> Jan  7 11:56:56 blubee kernel: da0 at umass-sim0 bus 0 scbus3 target 0 lun 0
>> Jan  7 11:56:56 blubee kernel: da0: <StoreJet Transcend 0> Fixed Direct
>> Access SPC-4 SCSI device
>> Jan  7 11:56:56 blubee kernel: da0: Serial Number W9328YZN
>> Jan  7 11:56:56 blubee kernel: da0: 400.000MB/s transfers
>> Jan  7 11:56:56 blubee kernel: da0: 953869MB (1953525168 512 byte sectors)
>> Jan  7 11:56:56 blubee kernel: da0: quirks=0x2<NO_6_BYTE>
>> Jan  7 12:06:08 blubee kernel: lock order reversal:
>> Jan  7 12:06:08 blubee kernel:  1st 0xfffffe07c26336c0 bufwait (bufwait) @
>> /usr/src/sys/vm/vm_pager.c:374
>> Jan  7 12:06:08 blubee kernel:  2nd 0xfffff80148c425f0 zfs (zfs) @
>> /usr/src/sys/dev/md/md.c:952
>> Jan  7 12:06:08 blubee kernel: stack backtrace:
>> Jan  7 12:06:08 blubee kernel: #0 0xffffffff80acfa03 at
>> witness_debugger+0x73
>> Jan  7 12:06:08 blubee kernel: #1 0xffffffff80acf882 at
>> witness_checkorder+0xe02
>> Jan  7 12:06:08 blubee kernel: #2 0xffffffff80a41b8e at
>> lockmgr_lock_fast_path+0x1ae
>> Jan  7 12:06:08 blubee kernel: #3 0xffffffff81094309 at VOP_LOCK1_APV+0xd9
>> Jan  7 12:06:08 blubee kernel: #4 0xffffffff80b4ac36 at _vn_lock+0x66
>> Jan  7 12:06:08 blubee kernel: #5 0xffffffff80611d32 at mdstart_vnode+0x442
>> Jan  7 12:06:08 blubee kernel: #6 0xffffffff806102ce at md_kthread+0x1fe
>> Jan  7 12:06:08 blubee kernel: #7 0xffffffff80a2d654 at fork_exit+0x84
>> Jan  7 12:06:08 blubee kernel: #8 0xffffffff80ef5e0e at fork_trampoline+0xe
>> Jan  7 12:06:15 blubee kernel: lock order reversal:
>> Jan  7 12:06:15 blubee kernel:  1st 0xfffffe07c41d5dc0 bufwait (bufwait) @
>> /usr/src/sys/kern/vfs_bio.c:3562
>> Jan  7 12:06:15 blubee kernel:  2nd 0xfffff8002bb31a00 dirhash (dirhash) @
>> /usr/src/sys/ufs/ufs/ufs_dirhash.c:281
>> Jan  7 12:06:15 blubee kernel: stack backtrace:
>> Jan  7 12:06:15 blubee kernel: #0 0xffffffff80acfa03 at
>> witness_debugger+0x73
>> Jan  7 12:06:15 blubee kernel: #1 0xffffffff80acf882 at
>> witness_checkorder+0xe02
>> Jan  7 12:06:15 blubee kernel: #2 0xffffffff80a748a8 at _sx_xlock+0x68
>> Jan  7 12:06:15 blubee kernel: #3 0xffffffff80d6a28d at ufsdirhash_add+0x3d
>> Jan  7 12:06:15 blubee kernel: #4 0xffffffff80d6d119 at ufs_direnter+0x459
>> Jan  7 12:06:15 blubee kernel: #5 0xffffffff80d76313 at ufs_makeinode+0x613
>> Jan  7 12:06:15 blubee kernel: #6 0xffffffff80d71ff4 at ufs_create+0x34
>> Jan  7 12:06:15 blubee kernel: #7 0xffffffff810919e3 at VOP_CREATE_APV+0xd3
>> Jan  7 12:06:15 blubee kernel: #8 0xffffffff80b4a53d at vn_open_cred+0x2ad
>> Jan  7 12:06:15 blubee kernel: #9 0xffffffff80b42e92 at kern_openat+0x212
>> Jan  7 12:06:15 blubee kernel: #10 0xffffffff80f16d2b at amd64_syscall+0x79b
>> Jan  7 12:06:15 blubee kernel: #11 0xffffffff80ef5b7b at Xfast_syscall+0xfb
>> 
>> 
>> Is the slow transfers user error?
> 
> Wotcha!
> 
> I don’t see any read or write performance figures anywhere? Also, is this 
> CURRENT? If so, aren’t all the debug / warning features that are turned on by 
> default in CURRENT at the moment going to have an effect on throughput? 
> Especially if you’re writing through a filesystem where directory and file 
> accesses will each require a lock to be taken, if only for a short while? If 
> you want to get closer to the true USB speed of the device, stop mounting it 
> and copying files to the filesystem, but instead just dd data onto and off of 
> the device directly, and measure how fast that goes. Remember to backup your 
> data from the card first…
> 
> Jon.
> 
> 

Also, is the SD card physically inside the phone, and you are using a USB cord 
to connect the phone to the FreeBSD computer by any chance?

Jon

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