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| 00:17.00 | ibot | cowers |
| 00:17.17 | vontrapp | so, my laptop lost power last night, after which it would not boot normally |
| 00:17.21 | vontrapp | can't mount the root partition |
| 00:17.37 | vontrapp | seems it can't find it by UUID |
| 00:17.58 | vontrapp | but I checked the UUID, and it's the same as grub and fstab expect |
| 00:18.02 | vontrapp | any ideas? |
| 00:18.20 | SnyderMahler | thats a little above my technical level I'm afraid. |
| 00:18.30 | vontrapp | fs mounts just fine manually |
| 00:18.37 | vontrapp | fsck reports all good |
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| 00:21.29 | SnyderMahler | Gah, why is my connection jerking me around? |
| 00:22.34 | vontrapp | that was me, revenge for you not being any help :p |
| 00:23.07 | sjansen | odd |
| 00:23.26 | sjansen | So how do you know the fs mounts just fine? |
| 00:24.17 | sjansen | vontrapp: What distro? |
| 00:24.30 | sjansen | What do you see during boot? |
| 00:25.31 | Gate | I presume he is mounting from a live CD. I would re-install Grub and see if some problem worked its way in there. |
| 00:26.07 | sjansen | Do you see the kernel and initrd load? |
| 00:29.38 | vontrapp | ubuntu |
| 00:29.46 | vontrapp | boot says loading... |
| 00:30.14 | vontrapp | then after a long timeout it kicks me to a fallback terminal with the prompt [initramfs] or somesuch |
| 00:30.20 | vontrapp | (don't have it in front of me) |
| 00:35.09 | sjansen | Ubuntu means GRUB2 and I haven't yet learned what madness it hides. |
| 00:35.50 | sjansen | GRUB1 doesn't care a lick about UUIDs, but maybe GRUB2 does. |
| 00:37.47 | sjansen | Doesn't the Ubuntu install disk include an automated recovery option? |
| 00:38.06 | vontrapp | the config has uuids in it, plus it has "timeout=-1" by default, so I can't change nothin at boot, grrrr |
| 00:39.01 | vontrapp | Gate: ya, it mounts from a livecd just fine, and also from the initramfs prompt after failed boot |
| 00:39.05 | sjansen | Yes, but in GRUB1 at least only root=UUID=maddness as a kernel argument, not something GRUB cares about. |
| 00:39.33 | vontrapp | sjansen: yeah, correct. grub only has uuid as an option for the kernel |
| 00:39.49 | vontrapp | it actually does have uuid in the scan command |
| 00:39.59 | vontrapp | whatever that does |
| 00:40.27 | vontrapp | Gate: i also tried reinstalling grub last night, didn't seem to work |
| 00:40.34 | vontrapp | also changed the timeout, which also didn't seem to take effect |
| 00:40.39 | vontrapp | :/ |
| 00:40.46 | sjansen | More likely its a bad grub config file or a bad initramfs. |
| 00:41.20 | sjansen | When a new kernel gets installed, but are updated. Perhaps they weren't synced to disk before the power failure. |
| 00:41.21 | vontrapp | i also seem to recall a message actually saying it couldn't find uuid=madness |
| 00:41.32 | vontrapp | can't be sure though until i have it in front of me again |
| 00:42.33 | vontrapp | would there be a way to tell if the prompt i get is from the kernel failing to get a rootfs or from grub itself? |
| 00:43.03 | vontrapp | probably not the latter, i don't think grub would have some kind of minimal built-in kernel |
| 00:43.06 | vontrapp | but you never know... |
| 00:44.58 | sjansen | Like I sad, I don't know what sort of insanity GRUB2 now contains, so I can't be sure, but it sure sounds like GRUB is working fine. |
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| 00:46.06 | sjansen | If you could reinstall, or perhaps dpkg-reconfigure your kernel perhaps generating a new initramfs will solve the problem. |
| 00:46.26 | vontrapp | the initramfs prompt, like i said, lets me mount the device, but does NOT have a /dev/device/by-uuid directory |
| 00:46.49 | vontrapp | i don't know how i would dpkg-reconfigure without booting... |
| 00:47.21 | vontrapp | i think i will just reinstall, was about to last night until i remembered i had pictures not backed up, so i'm bringing some storage home today |
| 00:47.26 | sjansen | Using the LiveCD you could play some magic with chroot. |
| 00:48.09 | sjansen | But I'm pretty sure the Ubuntu Install CD has a recovery mode that'd make it easier. |
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