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On Sat, Sep 7, 2013 at 2:30 PM, Alexander Kapshuk |
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<alexander.kapshuk@×××××.com> wrote: |
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> On 09/07/2013 10:25 PM, Canek Peláez Valdés wrote: |
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>> On Sat, Sep 7, 2013 at 1:53 PM, Alexander Kapshuk |
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>> <alexander.kapshuk@×××××.com> wrote: |
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>>> On 09/07/2013 09:35 PM, Canek Peláez Valdés wrote: |
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>>>> On Sat, Sep 7, 2013 at 1:24 PM, Alexander Kapshuk |
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>>>> <alexander.kapshuk@×××××.com> wrote: |
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>>>>> On 09/07/2013 09:11 PM, Canek Peláez Valdés wrote: |
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>>>>>> On Sat, Sep 7, 2013 at 1:06 PM, Alexander Kapshuk |
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>>>>>> <alexander.kapshuk@×××××.com> wrote: |
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>>>>>>> Howdy, |
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>>>>>>> |
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>>>>>>> Just compiled the new kernel [3.10.7], was about to edit my |
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>>>>>>> /boot/grub/grub.conf, and found it missing: |
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>>>>>>> box0 boot # pwd |
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>>>>>>> /boot |
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>>>>>>> box0 boot # ls -a |
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>>>>>>> . .. kernel-3.10.7-gentoo kernel-3.8.13-gentoo |
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>>>>>>> |
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>>>>>>> What did I miss? |
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>>>>>> Do you have /boot in a separated partition? Did you mounted it? |
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>>>>>> |
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>>>>>> Nothing should touch /boot, AFAIK. |
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>>>>>> |
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>>>>>> Regards. |
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>>>>> I do have '/boot' on a separate partition. If I understand it correctly, |
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>>>>> '/boot' gets mounted every time at system start-up, based on |
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>>>>> '/etc/fstab', does it not? |
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>>>> By the contents of your fstab, it should... |
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>>>> |
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>>>>> box0 boot # cat /etc/fstab |
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>>>>> <snip> |
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>>>>> /dev/sda1 /boot ext2 default,noatime 0 2 |
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>>>>> /dev/sda2 none swap sw 0 0 |
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>>>>> /dev/sda3 / ext4 noatime 0 1 |
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>>>>> /dev/sda5 /home ext4 noatime 0 2 |
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>>>>> /dev/cdrom /mnt/cdrom auto noauto,ro 0 0 |
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>>>>> |
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>>>>> |
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>>>>> box0 boot # mount|grep /dev/sda |
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>>>>> /dev/sda3 on / type ext4 (rw,noatime,data=ordered) |
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>>>>> /dev/sda5 on /home type ext4 (rw,noatime) |
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>>>> ,,,however mount says up there that it's not mounted. |
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>>>> |
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>>>>> box0 boot # fdisk -l /dev/sda |
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>>>>> |
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>>>>> Disk /dev/sda: 250.1 GB, 250059350016 bytes, 488397168 sectors |
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>>>>> Units = sectors of 1 * 512 = 512 bytes |
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>>>>> Sector size (logical/physical): 512 bytes / 512 bytes |
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>>>>> I/O size (minimum/optimal): 512 bytes / 512 bytes |
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>>>>> Disk identifier: 0x00000000 |
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>>>>> |
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>>>>> Device Boot Start End Blocks Id System |
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>>>>> /dev/sda1 * 2048 67583 32768 83 Linux |
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>>>>> /dev/sda2 67584 1116159 524288 82 Linux swap / Solaris |
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>>>>> /dev/sda3 1116160 43059199 20971520 83 Linux |
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>>>>> /dev/sda4 43059200 488397167 222668984 5 Extended |
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>>>>> /dev/sda5 43061248 488397167 222667960 83 Linux |
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>>>> For some reason your /boot partition didn't get mounted. See the boot |
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>>>> logs, and try to mounting by hand. Perhaps the fsck failed or it needs |
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>>>> manual intervention. |
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>>>> |
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>>>> Regards. |
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>>> Based on the 'dmesg' output below, EXT2-fs attempted to mount the '/' |
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>>> partition instead of the '/boot' one. |
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>>> |
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>>> box0 ~ # dmesg|grep 'EXT.*fs' |
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>>> [ 2.444214] EXT2-fs (sda3): error: couldn't mount because of |
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>>> unsupported optional features (240) |
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>>> [ 2.444736] EXT4-fs (sda3): couldn't mount as ext3 due to feature |
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>>> incompatibilities |
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>>> [ 2.481412] EXT4-fs (sda3): mounted filesystem with ordered data |
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>>> mode. Opts: (null) |
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>>> [ 9.448819] EXT4-fs (sda3): re-mounted. Opts: (null) |
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>>> [ 9.731383] EXT4-fs (sda5): mounted filesystem with ordered data |
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>>> mode. Opts: (null) |
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>>> |
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>>> Would that suggest a corrupted /boot/grub/grub.conf file? |
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>> Not necessarily. Can you manually mount /boot and see the contents of |
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>> /boot/grub/grub.conf. |
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>> |
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>>> How did the system boot then? |
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>> If grub can see the boot partition (and is correctly configured and |
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>> installed on the MBR), it can mount the root system without problems |
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>> regardless of fstab. Do you use an initramfs? |
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>> |
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>> Regards. |
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> 'mount /boot' fails: |
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> box0 ~ # mount /boot |
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> mount: wrong fs type, bad option, bad superblock on /dev/sda1, |
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> missing codepage or helper program, or other error |
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> In some cases useful info is found in syslog - try |
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> dmesg | tail or so |
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> |
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> No, I do not use 'initfamfs'. |
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> |
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> What do you suggest doing? |
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|
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Mounting it by hand: |
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mount -t ext2 /dev/sda1 /boot |
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|
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Regards. |
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-- |
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Canek Peláez Valdés |
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Posgrado en Ciencia e Ingeniería de la Computación |
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Universidad Nacional Autónoma de México |
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