Date: Wed, 04 Oct 2006 22:06:15 +0300 From: Cheffo <stefan.lambrev@sun-fish.com> To: freebsd-stable@freebsd.org Subject: Re: External DVD burner - connected via USB. Message-ID: <45240627.2060103@sun-fish.com> In-Reply-To: <4523B66E.2080707@uni-mainz.de> References: <45239500.1080800@sun-fish.com> <200610042136.41691.doconnor@gsoft.com.au> <4523A7D0.8000007@sun-fish.com> <4523B66E.2080707@uni-mainz.de>
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O. Hartmann wrote: > Stefan Lambrev wrote: >> >> >> Daniel O'Connor wrote: >>> On Wednesday 04 October 2006 20:33, Stefan Lambrev wrote: >>> >>>> Is this supposed to work under FreeBSD 6.X amd64 at all ? >>>> >>> >>> Did you actually try using it? >>> >>> >> Of course :) and it does not work - can't mount, read, write and so on. >> Checked under other os - it works so it is not HW problem. >> >> This is from mount: >> >> cd0 at umass-sim0 bus 0 target 0 lun 0 >> cd0: <PLEXTOR DVDR PX-716AL 1.01> Removable CD-ROM SCSI-0 device >> cd0: 40.000MB/s transfers >> cd0: cd present [2295104 x 2048 byte records] >> (cd0:umass-sim0:0:0:0): READ TOC/PMA/ATIP {MMC Proposed}. CDB: 43 0 0 >> 0 0 0 1 0 c 0 >> (cd0:umass-sim0:0:0:0): CAM Status: SCSI Status Error >> (cd0:umass-sim0:0:0:0): SCSI Status: Check Condition >> (cd0:umass-sim0:0:0:0): ILLEGAL REQUEST asc:24,0 >> (cd0:umass-sim0:0:0:0): Invalid field in CDB >> (cd0:umass-sim0:0:0:0): Unretryable error >> >> growisofs complains something about "non-MMC" compatible. >> > > Even if you'll get it to work, don't expect a miracle! I use an > external USB 2.0 <-> SATA HDD system for backup purposes and even on a > fast AMD64 box, FreeBSD and USB perform really worse (not more than 10 > MB/s ehci). Under high I/O (SATA harddrives) the box crashes sometimes > (FreeBSD 6.2-PRE/AMD64). If this happens when you burn DVD, it could > render the DVD unuseable. Well I have worse experience with linux when we talk about usb, SCSI and stability :) and from what I hear there is a work in progress for usb in freebsd. Also I'm quite happy with my external USB connected Light-On dvd burner. Anyway I workaround this by connecting the plextor dvd burner direct to IDE cable and with atapicam everything seems ok. > > regards, > Oliver
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