Date: Sun, 7 Jan 2018 12:18:17 +0800 From: blubee blubeeme <gurenchan@gmail.com> To: Warner Losh <imp@bsdimp.com> Cc: "O'Connor, Daniel" <darius@dons.net.au>, gljennjohn@gmail.com, FreeBSD current <freebsd-current@freebsd.org> Subject: Re: USB stack Message-ID: <CALM2mEmgn4FmBLtW4SaGEEqoF6AsFR_y1PUMTZ80_2GpDx1SdQ@mail.gmail.com> In-Reply-To: <CANCZdfqna3dy-29g_fB3-aw71Hps2ph_%2BNMBUW9z7nhMBVztjg@mail.gmail.com> References: <CALM2mEmZFP9dGOivJknrCaaa-K1cSxNTTEV%2B8XCMpoZp-xcbqQ@mail.gmail.com> <1FD1FE97-D25C-4BAC-A3E0-F22509FB0C2B@dons.net.au> <CALM2mE=7cKcPzJ=-bVvmHez2inrAqJsuMaW%2BUZZtXesB3pzDtQ@mail.gmail.com> <6A4FF1B9-D98B-4E73-9E3E-E951749E0C21@dons.net.au> <20180104092349.2821f9f9@ernst.home> <18F01F2F-8907-4CF8-A80A-B6B5C16593B7@dons.net.au> <CALM2mE=uFK0BVqxFcrU_K%2BN%2BwYnu9VTewACeNqPTGYFEv93g4g@mail.gmail.com> <CANCZdfqna3dy-29g_fB3-aw71Hps2ph_%2BNMBUW9z7nhMBVztjg@mail.gmail.com>
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On Sun, Jan 7, 2018 at 12:11 PM, Warner Losh <imp@bsdimp.com> wrote: > > > On Sat, Jan 6, 2018 at 8:56 PM, blubee blubeeme <gurenchan@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 <darius@dons.net.au> >> wrote: >> >> > >> > >> > > On 4 Jan 2018, at 09:23, Gary Jennejohn <gljennjohn@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-unsubscribe@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?
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