[gentoo-user] Re: no cdrom (IDE)

["Alexey Mishustin" <shumkar@shumkar.ru>]

6/26/2011, "walt" <w41ter@gmail.com> вы писали:

>On 06/25/2011 05:03 PM, walt wrote:
>> On 06/25/2011 03:32 PM, Alexey Mishustin wrote:
>>> Hi.
>>>
>>> After updating udev the links /dev/cdrom, /dev/dvd etc disappeared. There
>>> are four /dev/sgX but there is no /dev/srX at all. No hdX, all sdX are
>>> hard drives.
>>
>> That's a good thing.  The disk drivers that use/need/create /dev/hd* are obsolete.
>>
>>> So, I can't mount any cd or dvd.
>>>
>>> My drive is IDE (Pioneer).
>>
>> Mine also, not a problem.
>>
>>>
>>> # dmesg | grep sr
>>> #
>>
>> That seems to be the problem.
>
><sigh> I beg pardon for my senility.  I was reminded while reading a different group
>to run lsmod.
>
>The salient lines from lsmod:
>
>cdrom                  24970  1 sr_mod
>
>The kernel module sr_mod is selected in the kernel config menu at
>"Device Drivers::SCSI device support::SCSI CDROM support"

I guess, you mean CONFIG_BLK_DEV_SR? It was selected as Y. I changed it
to M and recompiled the kernel. The module appeared:

# lsmod | egrep "rs_mod|cdrom|marvel"
cdrom                  24804  1 sr_mod
pata_marvell            1761  0
libata                123278  53
libsas,pdc_adma,sata_inic162x,sata_mv,ata_piix,ahci,libahci,sata_qstor,sata_vsc,sata_uli,sata_sis,sata_sx4,sata_nv,sata_via,sata_svw,sata_sil24,sata_sil,sata_promise,pata_sl82c105,pata_cs5530,pata_cs5520,pata_via,pata_jmicron,pata_marvell,pata_sis,pata_netcell,pata_sc1200,pata_pdc202xx_old,pata_triflex,pata_atiixp,pata_opti,pata_amd,pata_ali,pata_it8213,pata_pcmcia,pata_ns87415,pata_ns87410,pata_serverworks,pata_platform,pata_artop,pata_it821x,pata_optidma,pata_hpt3x2n,pata_hpt3x3,pata_hpt37x,pata_hpt366,pata_cmd64x,pata_efar,pata_rz1000,pata_sil680,pata_radisys,pata_pdc2027x,pata_mpiix

But nevertheless there is no neither /dev/sr0, nor links to cdrom, dvd...

The same kernel (with CONFIG_BLK_DEV_SR = Y) works perfectly on my laptop
with internal SCSI cdrom. All links and sr0 exist there. But that's no
help for me...

--

Regards,
Alex