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mike_d
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Joined: 05 Feb 2004
Posts: 45
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 Posted: Thu Mar 17, 2005 3:41 am Post subject: 2004.3 LiveCD installation with SCSI CD-ROM - not working |
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I posted a while ago about not being able to install with the LiveCD on my old SCSI system that doesn't boot off the CD-ROM. My solution was to buy a new SCSI card (Adapted AHA-2940UW) that supports booting off the CD-ROM. So now I can successfully boot the LiveCD and I boot using "gentoo -doscsi" . It starts to boot from the CD but fails with the error message "The root block device is unspecifie of not detected. Please specify a device to boot..." I droped to the shell and did a "ls /dev" and the only things listed are ttys, no SCSI CD, nor any of my SCSI hard drives. I did a search on here, but it looks like the people having SCSI problems were getting different error messages than me. Does anyone have any ideas?
Thanks!
Mike |
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Grimmlin
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Joined: 15 Mar 2005
Posts: 32
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| Posted: Thu Mar 17, 2005 8:44 am Post subject: |
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Hi,
When you have the shell, does the lsmod say anything?
Did you saw it probing for aic7xxx when booting?
You don't have to put a minus "-" in front of the doscsi. The linuxrc is parsing the cmdline, not grepping it.
HTH,
Grimm'
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mike_d
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Joined: 05 Feb 2004
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| Posted: Thu Mar 17, 2005 3:21 pm Post subject: |
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thanks for the tip. i did "gentoo doscsi" this time and it loaded the modules for the scsi adapter, but it locked on the tmscsim step. i remember reading something about that in my previous search for help. has that been fixed in 2005.0?
mike |
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Grimmlin
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Joined: 15 Mar 2005
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| Posted: Thu Mar 17, 2005 5:43 pm Post subject: |
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Well, I don't understand what you means by tmscsim? is that a scsi module?
I don't know for the 2005.0 but as they'll use a kernel 2.6.11 there will be possibly a better kernel scsi support as they may have enhanced this in this version...
HTH,
Grimm'
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dcrook
Tux's lil' helper
Joined: 22 Jul 2004
Posts: 83
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| Posted: Thu Mar 17, 2005 8:03 pm Post subject: |
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I have an adaptech 29160N and it uses the same driver and I ran into the same problem. I think the problem you are having is that there are two aic7xxxx drivers on the CD and "doscsi" is trying to load both of them.
I found it easier to try booting without the doscsi flag. Then the booting would stop part way through since no drivers were loaded. I bellieve that it would tell you to type ctrl-x to bring up a root shell at that point. If you do that then you can manually load the right scsi driver with this command..
insmod /modules/storage/aic7xxx.o
Then type "exit" to close the shell and continue booting.
I hope this helps. I haven't done it in a while, I'm just looking over my notes from when I was installing my system a while ago. |
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mike_d
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Joined: 05 Feb 2004
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| Posted: Fri Mar 18, 2005 3:55 am Post subject: |
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| dcrook - thanks for the hint, but it didn't work. i think i'll burn a 2005.0 cd tomorow at work and see if it works. |
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dcrook
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mike_d
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Joined: 05 Feb 2004
Posts: 45
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| Posted: Fri Mar 18, 2005 10:11 pm Post subject: |
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yup, i just finished burning that CD 30 seconds ago. i have little hope though. because i did use your method of not specifying "doscsi" and then when i tried to do "insmod ..." on the aic7xxx module it locked up, just like the tmscsim module that everyone seems to have problems with. i was able to sucessfully load the aha1540 module, but it didn't cause and /dev/s?? enetries to appear (or is there something else i need to do to get them?). maybe the special boot cd will work, or maybe the 2005.0 cd will work. i'm going to try them both this weekend.
if anyone else out there uses an adaptec AHA-2940UW scsi card, i'd love to know what scsi driver you used.
mike |
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mike_d
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| Posted: Sat Mar 19, 2005 4:15 pm Post subject: |
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update: no luck with either the 2005.0 cd, the modfied 2004.3 cd from
https://forums.gentoo.org/viewtopic-t-267325-highlight-scsi.html,
i also tried to boot a knoppix cd. i get the same style error, that after it boots from the cd, the scsi module can't load and then it can't find the cd to continue. i'm going to order a IDE cdrom from ebay, but while i'm waiting for that to arrive in the mail, if anyone knows how to get my ataptec aha2940uw to work on linux, i'd be thrilled to know!
thanks!
mike |
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Naib
Watchman
Joined: 21 May 2004
Posts: 6051
Location: Removed by Neddy
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| Posted: Sat Mar 19, 2005 4:30 pm Post subject: |
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after loading the aic7xxx module, did you also load the sd_mod module
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mike_d
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| Posted: Sat Mar 19, 2005 8:48 pm Post subject: |
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| Naib wrote: | | after loading the aic7xxx module, did you also load the sd_mod module |
just tried that, no luck. first when i try to load the aic7xxx module, it locks up. i can sucessfully load the aic79xx module though, so i tried that.
using the custom cd referenced above i booted with all the permutations of "gentoo doaic79xx dosd_mod dosr_mod" with no luck. i also tried booting without "dosci" and the manually loading the modules. the modules appeard to load, but i get no entries in /dev for the devices. is there something with udev that i need to run to tell it to update /dev and put the entries for the scsi devices?
mike |
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Jiffy
Tux's lil' helper
Joined: 27 Jun 2003
Posts: 86
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| Posted: Mon Mar 21, 2005 2:15 pm Post subject: |
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mike_d,
Grab http://www.novickzone.com/gentoo/install-x86-minimal-2004.3-scsi-r1.iso and boot it with gentoo doaic7xxx
If that doesn't work, boot it with gentoo doaic7xxx_old
If they fail, try appending noapic
My r4 release has stupid typo in it that I am hoping to get around to fixing today.
r1 is known to work well with Adaptec controllers.
Jiffy |
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dcrook
Tux's lil' helper
Joined: 22 Jul 2004
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| Posted: Mon Mar 21, 2005 6:53 pm Post subject: |
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Mike_d,
As Jiffy pointed out, try the aic7xxx_old driver. There are two versions of the aci7xxx driver, the old one and the new one. The new one is a rewrite and it works better on newer cards. But it has been known to be incompatible with some older aic7xxx cards. Thats why the old driver is still kept around. You should be able to get one of these drivers to work on your card.
When you get it working, remember which version of the driver you used. You will need to enable that driver in the kernel and make sure you turn the other one off. |
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Jiffy
Tux's lil' helper
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mike_d
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Joined: 05 Feb 2004
Posts: 45
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| Posted: Tue Mar 22, 2005 2:01 am Post subject: |
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| Jiffy wrote: | mike_d,
Grab http://www.novickzone.com/gentoo/install-x86-minimal-2004.3-scsi-r1.iso and boot it with gentoo doaic7xxx
If that doesn't work, boot it with gentoo doaic7xxx_old
If they fail, try appending noapic
My r4 release has stupid typo in it that I am hoping to get around to fixing today.
r1 is known to work well with Adaptec controllers.
Jiffy |
ah ha! success! "gentoo doaic7xxx" worked with the -r1 version.
thanks so much for everyone's help!
mike |
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