I had originally posted this to linux-kernel. --- Alex Davis <alex14641@xxxxxxxxx> wrote: > From Alex Davis Fri Jan 20 14:38:19 2006 > Received: from [162.84.36.193] by web50210.mail.yahoo.com via HTTP; Fri, 20 Jan 2006 14:38:19 > PST > Date: Fri, 20 Jan 2006 14:38:19 -0800 (PST) > From: Alex Davis <alex14641@xxxxxxxxx> > Subject: [BUG] DVD assigned wrong SCSI level when using SCSI emulation > To: linux-kernel@xxxxxxxxxxxxxxx > MIME-Version: 1.0 > Content-Type: text/plain; charset=iso-8859-1 > Content-Transfer-Encoding: 8bit > Content-Length: 1057 > > I've noticed that since I upgraded to 2.6.15, my IDE DVD ROM > is assigned a bogus SCSI level. Here is output from /proc/scsi/scsi: > > Host: scsi0 Channel: 00 Id: 00 Lun: 00 > Vendor: HL-DT-ST Model: DVD-ROM GDR8082N Rev: 0106 > Type: CD-ROM ANSI SCSI revision: 0xffffffff > > > Here's what I get with 2.6.8.1: > > Host: scsi0 Channel: 00 Id: 00 Lun: 00 > Vendor: HL-DT-ST Model: DVD-ROM GDR8082N Rev: 0106 > Type: CD-ROM ANSI SCSI revision: 02 > > > > I did a little digging, and it seems that in drivers/scsi/sr.c, > function get_capabilities(), the call to scsi_mode_sense() is failing (it's returning > 134217730). > > On a side note, I can't watch DVDs on 2.6.15. > > I have ide-scsi and sr-mod loaded as modules. > gcc version is 3.3.6 > > Here is the config for 2.6.8.1 : http://linux.ace-technologies.biz/config-2.6.8.1 > > Here is the config for 2.6.15: http://linux.ace-technologies.biz/config-2.6.15 > > lspci -v: http://linux.ace-technologies.biz/lspci-2.6.15 > > lsmod: http://linux.ace-technologies.biz/lsmod-2.6.15 > > I've tried booting with hdc=scsi; makes no difference. > > Here's an excerpt from /var/log/messages: > > Jan 19 20:46:29 boss kernel: [ 1.662575] hdc: HL-DT-STDVD-ROM GDR8082N, ATAPI CD/DVD-ROM > drive > Jan 19 20:46:29 boss kernel: [ 1.969598] ide1 at 0x170-0x177,0x376 on irq 15 > Jan 19 20:46:29 boss kernel: [ 2.039442] IP route cache hash table entries: 65536 (order: 6, > 262144 bytes) > Jan 19 20:46:29 boss kernel: [ 2.039716] TCP established hash table entries: 262144 (order: > 9, > 2097152 bytes) > Jan 19 20:46:29 boss kernel: [ 2.040901] TCP bind hash table entries: 65536 (order: 7, 524288 > bytes) > Jan 19 20:46:29 boss kernel: [ 2.042093] Using IPI Shortcut mode > Jan 19 20:46:29 boss kernel: [ 2.052961] VFS: Mounted root (ext2 filesystem) readonly. > Jan 19 20:46:29 boss kernel: [ 4.801179] ide-scsi is deprecated for cd burning! Use ide-cd > and > give dev=/dev/hdX as device > Jan 19 20:46:29 boss kernel: [ 4.954103] sr0: scsi-1 drive > > > > > I can test patches if needed. > > Additional info will be provided upon request. > > -Alex > > > I code, therefore I am > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > I code, therefore I am __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
