Ubuntu last update broke sg module
I am running Jaunty Jackalope and after the last update the OS can't see the optical drive. I checked to see if the sg module was running and I got this message; modprobe sg FATAL:module sg not found.
find /lib -iname "*sd_mod*" gets this; /lib/brltty/libbrlttysgs.so /lib/modules/2.6.28-15-generic/kernel/sound/isa/snd-sgalaxy.ko /lib/modules/2.6.28-15-generic/kernel/net/decnet/netfilter/dn_rtmsg.ko /lib/modules/2.6.28-15-generic/kernel/drivers/media/video/videobuf-dma-sg.ko /lib/modules/2.6.28-15-generic/kernel/drivers/char/ipmi/ipmi_msghandler.ko /lib/modules/2.6.28-11-generic/kernel/sound/isa/snd-sgalaxy.ko /lib/modules/2.6.28-11-generic/kernel/net/decnet/netfilter/dn_rtmsg.ko /lib/modules/2.6.28-11-generic/kernel/drivers/media/video/videobuf-dma-sg.ko /lib/modules/2.6.28-11-generic/kernel/drivers/char/ipmi/ipmi_msghandler.ko /lib/modules/2.6.28-14-generic/kernel/sound/isa/snd-sgalaxy.ko /lib/modules/2.6.28-14-generic/kernel/net/decnet/netfilter/dn_rtmsg.ko /lib/modules/2.6.28-14-generic/kernel/drivers/media/video/videobuf-dma-sg.ko /lib/modules/2.6.28-14-generic/kernel/drivers/char/ipmi/ipmi_msghandler.ko /lib/modules/2.6.28-13-generic/kernel/sound/isa/snd-sgalaxy.ko /lib/modules/2.6.28-13-generic/kernel/net/decnet/netfilter/dn_rtmsg.ko /lib/modules/2.6.28-13-generic/kernel/drivers/media/video/videobuf-dma-sg.ko /lib/modules/2.6.28-13-generic/kernel/drivers/char/ipmi/ipmi_msghandler.ko I checked to make sure that the motherboard could see the optical drive by booting to a live cd and it worked just fine, so the motherboard sees it. I would appreciate any suggestions. Thanks, zoey |
hi Zoey
try this reboot your machine. while grub is loading, press the escape key. when the grub menu comes up. select the previous kernel to boot. after linux boots, check to see if you can use your drive. if it works good. ONLY DO THE NEXT PART IF YOU ARE SURE IT WORKS while under the older kernel, open terminal type sudo gedit /boot/grub/menu.lst after gedit opens the file. scroll down and find the newer kernel and delete the listings for that kernel below is what mine looks like. if the newer kernel is 2.6.24-34 that is causing the problem delete the entries for both generic and recovery mode. in my file it would be the first 8 lines. save the menu.lst and reboot. if this works. do anther update and see if it installs correctly this time. ONLY DO THIS IF YOU ARE SURE IT WORKS AFTER BOOTING THE OLDER KERNEL good luck Vanessa title Ubuntu 8.04.2, kernel 2.6.24-24-generic root (hd0,0) kernel /boot/vmlinuz-2.6.24-24-generic root=UUID=e3e55ff5-ea86-401e-8972-87f570eddae9 ro quiet splash initrd /boot/initrd.img-2.6.24-24-generic quiet title Ubuntu 8.04.2, kernel 2.6.24-24-generic (recovery mode) root (hd0,0) kernel /boot/vmlinuz-2.6.24-24-generic root=UUID=e3e55ff5-ea86-401e-8972-87f570eddae9 ro single initrd /boot/initrd.img-2.6.24-24-generic title Ubuntu 8.04.2, kernel 2.6.24-23-generic root (hd0,0) kernel /boot/vmlinuz-2.6.24-23-generic root=UUID=e3e55ff5-ea86-401e-8972-87f570eddae9 ro quiet splash initrd /boot/initrd.img-2.6.24-23-generic quiet title Ubuntu 8.04.2, kernel 2.6.24-23-generic (recovery mode) root (hd0,0) kernel /boot/vmlinuz-2.6.24-23-generic root=UUID=e3e55ff5-ea86-401e-8972-87f570eddae9 ro single initrd /boot/initrd.img-2.6.24-23-generic |
Thank You Vanessa,
I tried booting into the old kernel with high hopes, but it didn't work. Thanks again, zoey |
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