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Date:      Thu, 5 Mar 2015 07:04:22 -0500
From:      Brett Wynkoop <freebsd-arm@wynn.com>
To:        Warner Losh <imp@bsdimp.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: crash on writing usbstick
Message-ID:  <20150305070422.7da20c44@ivory.wynn.com>
In-Reply-To: <1DC8221F-64EA-418C-8CE5-5FFA4F3DBC64@bsdimp.com>
References:  <20150301041855.5352663e@ivory.wynn.com> <20150301144653.63b38cdf@ivory.wynn.com> <20150301184456.7b5e6487@ivory.wynn.com> <1DC8221F-64EA-418C-8CE5-5FFA4F3DBC64@bsdimp.com>

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Greeting-

Thought this snippet from dmesg might be of use.

ugen0.2: <FreeBSD foundation> at usbus0
ustorage_fs0: <USB Mass Storage Interface> on usbus0
ugen1.2: <vendor 0x0781> at usbus1
umass0: <vendor 0x0781 Staples, class 0/0, rev 2.00/1.22, addr 2> on
usbus1 umass0:  SCSI over Bulk-Only; quirks = 0xc100
umass0:0:0: Attached to scbus0
da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
da0: <Staples  1.22> Removable Direct Access SCSI-5 device
da0: Serial Number 4C532000071129119192
da0: 40.000MB/s transfers
da0: 15267MB (31266816 512 byte sectors: 255H 63S/T 1946C)
da0: quirks=0x2<NO_6_BYTE>
lock order reversal:
 1st 0xc1e97934 ufs (ufs) @ kern/vfs_subr.c:2176
 2nd 0xc103d710 bufwait (bufwait) @ ufs/ffs/ffs_vnops.c:263
 3rd 0xc253fc94 ufs (ufs) @ kern/vfs_subr.c:2176

-Brett

-- 

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917-642-6925
929-272-0000

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