On Mon, Jun 24, 2019 at 3:35 AM Pete Biggs <pete at biggs.org.uk> wrote:> On Sun, 2019-06-23 at 22:13 -0400, doug schmidt wrote: > > Hi, > > I'm having an issue with my Thinkpad P70 laptop/workstation. This system > is > > a dual boot, > > windows 10 pro and centos 7. I have not needed to use the cdrom until > now, > > however the system does not see it in /dev. I know the cdrom works as I > can > > use it in windows 10 and when initially installing centos 7, I installed > > from dvd media. I'm not sure what to check. > > By default CDROM drives are usually /dev/sr* > > > > > > > # hwinfo --block --short > > CD drives are not block devices. Why not use 'hwinfo --cdrom'? > > # hwinfo --cdrom --short > cdrom: > /dev/sr0 TSSTcorp DVD+-RW TS-H653H > > >Hi Pete, I tried --cdrom, just forgot to include in original post; While searching google, I saw a post where --block --short included cdrom output. [root at darkness ~]# ls -al /dev/sr* ls: cannot access /dev/sr*: No such file or directory [root at darkness ~]# ls /dev/s* /dev/sda /dev/sda3 /dev/sdb1 /dev/sg0 /dev/stderr /dev/sda1 /dev/sda4 /dev/sdb2 /dev/sg1 /dev/stdin /dev/sda2 /dev/sdb /dev/sdb3 /dev/snapshot /dev/stdout [root at darkness ~]# hwinfo --cdrom [root at darkness ~]# thanks ~d
> > [root at darkness ~]# ls -al /dev/sr* > ls: cannot access /dev/sr*: No such file or directory > [root at darkness ~]# ls /dev/s* > /dev/sda /dev/sda3 /dev/sdb1 /dev/sg0 /dev/stderr > /dev/sda1 /dev/sda4 /dev/sdb2 /dev/sg1 /dev/stdin > /dev/sda2 /dev/sdb /dev/sdb3 /dev/snapshot /dev/stdout > [root at darkness ~]# hwinfo --cdrom > [root at darkness ~]# >Presumably it is a SATA CD/DVD - if so you need to go through the output of dmesg to see if it is detected on one of the SATA lines - possibly grepping for 'ata' should show something. If it's not even seeing it on a SATA line, then there is something strange with the hardware or bios configuration. P.
> > > > > [root at darkness ~]# ls -al /dev/sr* > > ls: cannot access /dev/sr*: No such file or directory > > [root at darkness ~]# ls /dev/s* > > /dev/sda /dev/sda3 /dev/sdb1 /dev/sg0 /dev/stderr > > /dev/sda1 /dev/sda4 /dev/sdb2 /dev/sg1 /dev/stdin > > /dev/sda2 /dev/sdb /dev/sdb3 /dev/snapshot /dev/stdout > > [root at darkness ~]# hwinfo --cdrom > > [root at darkness ~]# > > > > Presumably it is a SATA CD/DVD - if so you need to go through the > output of dmesg to see if it is detected on one of the SATA lines - > possibly grepping for 'ata' should show something. If it's not even > seeing it on a SATA line, then there is something strange with the > hardware or bios configuration. >windows 10 is listing device as; PLDS DVD-RW DU8A6SH google search is showing spec is SATA (the cdrom can also be swapped out/replaced with a second SATA HDD) this is what I see in dmesg; [ 1.835374] libata version 3.00 loaded. [ 1.879093] ata1: DUMMY [ 1.879096] ata2: DUMMY [ 1.879099] ata3: SATA max UDMA/133 abar m524288 at 0xc5700000 port 0xc5700200 irq 136 [ 1.879102] ata4: SATA max UDMA/133 abar m524288 at 0xc5700000 port 0xc5700280 irq 137 [ 2.183682] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 2.183825] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 7.183893] ata3.00: qc timeout (cmd 0xec) [ 7.183908] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 7.183960] ata4.00: qc timeout (cmd 0xa1) [ 7.183974] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 7.488894] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 7.488931] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 17.488919] ata3.00: qc timeout (cmd 0xec) [ 17.488934] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 17.488942] ata3: limiting SATA link speed to 3.0 Gbps [ 17.488964] ata4.00: qc timeout (cmd 0xa1) [ 17.488979] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 17.793923] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 320) [ 17.794894] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 47.794008] ata3.00: qc timeout (cmd 0xec) [ 47.794023] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 47.794880] ata4.00: qc timeout (cmd 0xa1) [ 47.794897] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 48.099012] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 320) [ 48.099884] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300) I'm seeing this from dmidecode; (I'll reboot and look over the BIOS settings) Last I remember being in the BIOS, I don't recall seeing anything that may be an issue. BIOS Information Vendor: LENOVO Version: N1DETA4W (2.30 ) Release Date: 05/09/2019 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 16 MB Characteristics: PCI is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported 3.5"/720 kB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) CGA/mono video services are supported (int 10h) ACPI is supported USB legacy is supported BIOS boot specification is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 2.30 Firmware Revision: 1.18 Handle 0x000F, DMI type 1, 27 bytes thanks ~d