Date: Wed, 19 Oct 2016 10:10:54 +0300 From: Boris Samorodov <bsam@passap.ru> To: freebsd-questions@freebsd.org Subject: Re: Can not mount USB device Message-ID: <7da0b7b1-79f2-6f74-8149-d2b768a98280@passap.ru> In-Reply-To: <alpine.BSF.2.20.1610181128390.74981@fledge.watson.org> References: <alpine.BSF.2.20.1610161606090.78426@fledge.watson.org> <5c038e43-820d-4cf8-69d7-c9e7cfde2c39@passap.ru> <alpine.BSF.2.20.1610181128390.74981@fledge.watson.org>
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18.10.2016 18:53, doug пишет: > On Tue, 18 Oct 2016, Boris Samorodov wrote: > >> 17.10.2016 23:25, doug ?????: >>> The system is FreeBSD 10.3-RELEASE-p7 #0. All commands are execured as >>> root. >>> >>> file -s /dev/da0s1 >>> /dev/da0s1: DOS/MBR boot sector, code offset 0x58+2, OEM-ID "MSDOS5.0", >>> sectors/cluster 8, reserved sectors 38, Media descriptor 0xf8, >>> sectors/track 63, heads 16, hidden sectors 8192, sectors 831488 (volumes >>>> 32 MB) , FAT (32 bit), sectors/FAT 813, serial number 0x482393a9, >>> unlabeled >>> >>> I ended up with the following attempts >>> >>> mount -t msdosfs -o -m=644 /dev/da0s1 /mnt/ >>> 5mount_msdosfs: /dev/da0s1: Permission denied >>> >>> dmesg: >>> (da0:umass-sim0:0:0:0): Error 13, Unretryable error >>> g_vfs_done():da0s1[WRITE(offset=19456, length=4096)]error = 13 >>> (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 00 00 20 26 00 00 08 00 >>> (da0:umass-sim0:0:0:0): CAM status: SCSI Status Error >>> (da0:umass-sim0:0:0:0): SCSI status: Check Condition >>> (da0:umass-sim0:0:0:0): SCSI sense: DATA PROTECT asc:27,0 (Write >>> protected) >> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ >> >>> mount -t msdosfs -o -m=644,-M=644 /dev/da0s1 /mnt/ >>> mount_msdosfs: /dev/da0s1: Permission denied >>> >>> dmesg: >>> (da0:umass-sim0:0:0:0): Error 13, Unretryable error >>> g_vfs_done():da0s1[WRITE(offset=19456, length=4096)]error = 13 >>> >>> All other variations got the same error (Permission denied) >>> >>> The USB stick is readable in windows 10. I thought it was a data disk it >> ^^^^^^^^^^^ >>> turns out to have 2 install program files one for windows and one for >>> mac. >> >> Do you try to mount read/write while it's only readable (write >> protected)? >> > Good suggestion. So I tried: > > ------plug in device------- > Oct 18 11:44:27 hermes kernel: ugen1.2: <Generic> at usbus1 > Oct 18 11:44:27 hermes kernel: umass0: <Generic Mass Storage, class 0/0, > rev 2.00/1.06, addr 2> on usbus1 > Oct 18 11:44:27 hermes kernel: umass0: SCSI over Bulk-Only; quirks = > 0x4101 > Oct 18 11:44:27 hermes kernel: umass0:2:0:-1: Attached to scbus2 > Oct 18 11:44:27 hermes kernel: da0 at umass-sim0 bus 0 scbus2 target 0 > lun 0 > Oct 18 11:44:27 hermes kernel: da0: <Generic Flash Disk 8.07> Removable > Direct Access SPC-2 SCSI device > Oct 18 11:44:27 hermes kernel: da0: Serial Number 2942AC6E > Oct 18 11:44:27 hermes kernel: da0: 40.000MB/s transfers > Oct 18 11:44:27 hermes kernel: da0: 425MB (870400 512 byte sectors) > Oct 18 11:44:27 hermes kernel: da0: quirks=0x2<NO_6_BYTE> > -----------mount -t msdosfs -o -m=444,-M=444 /dev/da0s1 /mnt/ ---------- I'd try to mount it at read-only mode (-o -m=444,-M=444,ro). > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): WRITE(10). CDB: > 2a 00 00 00 20 26 00 00 08 00 > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): CAM status: SCSI > Status Error > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): SCSI status: > Check Condition > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): SCSI sense: DATA > PROTECT asc:27,0 (Write protected) > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): Error 13, > Unretryable error > Oct 18 11:45:08 hermes kernel: g_vfs_done():da0s1[WRITE(offset=19456, > length=4096)]error = 13 > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): WRITE(10). CDB: > 2a 00 00 00 20 26 00 00 08 00 > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): CAM status: SCSI > Status Error > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): SCSI status: > Check Condition > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): SCSI sense: DATA > PROTECT asc:27,0 (Write protected) > Oct 18 11:45:08 hermes kernel: (da0:umass-sim0:0:0:0): Error 13, > Unretryable error > Oct 18 11:45:08 hermes kernel: g_vfs_done():da0s1[WRITE(offset=19456, > length=4096)]error = 13 > -------------end of log--------- > > So either there is another way to address a read-only usb or this is a > new wrinkle, I guess. All of this was done as root by necessity as I > have never bothered with all the steps to allow user mounts as this is > my laptop. -- WBR, Boris Samorodov (bsam) FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
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