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I tend to run Live Linux on laptop for months without a shutdown (suspend / resume only).
Ubuntu and Mint work in this mode well, until recently I want to give Fedora a chance,
but it failed with IO Errors like this, when I did sudo yum install something (or dnf install something),
this is always reproducible kernel panic whenever I run it on laptop physical hardware, or in kvm,
with the current Fedora 22 Workstation image, I tested a few other spins as well, failed the same
https://labs.fedoraproject.org/security/download/index.html
I wonder is this a well known issue ? on Fedora Bugzilla database ? If under Live OS mode, the / doesn't support writing how can it be called Live ?
I wonder is this a well known issue ? on Fedora Bugzilla database ? If under Live OS mode, the / doesn't support writing how can it be called Live ?
I researched a little more and figured out because Fedora Live mode runs on top of dev-mapper snapshot driver while Ubuntu runs on Overlayfs that looks more stable;
wonder are there some technical reasons why Fedora use dev-mapper snapshot such immature driver ?
[ 373.306048] device-mapper: snapshots: Invalidating snapshot: Unable to allocate exception.
[ 373.310022] Buffer I/O error on device dm-0, logical block 1609980
[ 373.311236] Buffer I/O error on device dm-0, logical block 1609981
[ 373.313031] Buffer I/O error on device dm-0, logical block 1609982
[ 373.316023] Buffer I/O error on device dm-0, logical block 1609983
[ 373.319126] Buffer I/O error on device dm-0, logical block 1609984
[ 373.322136] EXT4-fs error (device dm-0): ext4_find_entry:1289: inode #45749: comm kworker/u2:2: reading directory lblock 0
[ 373.324414] Buffer I/O error on device dm-0, logical block 1609985
[ 373.328306] Buffer I/O error on device dm-0, logical block 1609986
[ 373.329445] Buffer I/O error on dev dm-0, logical block 0, lost sync page write
[ 373.331205] Buffer I/O error on device dm-0, logical block 1609987
[ 373.332667] Buffer I/O error on device dm-0, logical block 1609988
[ 373.337317] Buffer I/O error on device dm-0, logical block 1609989
[ 373.338726] EXT4-fs error (device dm-0) in ext4_ext_truncate:4669: IO failure
[ 373.339935] EXT4-fs (dm-0): previous I/O error to superblock detected
[ 373.341146] Buffer I/O error on dev dm-0, logical block 0, lost sync page write
[ 373.342554] EXT4-fs error (device dm-0) in ext4_ext_truncate:4669: IO failure
[ 373.343961] EXT4-fs (dm-0): previous I/O error to superblock detected
[ 373.352119] Buffer I/O error on dev dm-0, logical block 0, lost sync page write
[ 373.359310] audit: *NO* daemon at audit_pid=789
[ 373.360056] audit: auditd disappeared
[ 373.858134] Aborting journal on device dm-0-8.
[ 373.858877] Buffer I/O error on dev dm-0, logical block 12679, lost sync page write
[ 373.860548] JBD2: Error -5 detected when updating journal superblock for dm-0-8.
[ 373.862332] EXT4-fs (dm-0): previous I/O error to superblock detected
[ 373.863432] Buffer I/O error on dev dm-0, logical block 0, lost sync page write
[ 373.865080] EXT4-fs error (device dm-0): ext4_journal_check_start:56: Detected aborted journal
[ 373.866572] EXT4-fs (dm-0): Remounting filesystem read-only
[ 373.867539] EXT4-fs (dm-0): previous I/O error to superblock detected
[ 373.869236] Buffer I/O error on dev dm-0, logical block 0, lost sync page write
[ 373.939115] EXT4-fs error (device dm-0): ext4_find_entry:1289: inode #145895: comm gmain: reading directory lblock 0
[ 373.939854] EXT4-fs (dm-0): previous I/O error to superblock detected
[ 373.940415] Buffer I/O error on dev dm-0, logical block 0, lost sync page write
[ 374.132832] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 374.132832]
[ 374.133007] CPU: 0 PID: 1 Comm: systemd Not tainted 4.0.4-301.fc22.x86_64 #1
[ 374.133007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.1-20150604_211837-tipua 04/01/2014
[ 374.133007] 0000000000000000 00000000a3109a5c ffff880052487c68 ffffffff81782644
[ 374.133007] 0000000000000000 ffffffff81a4c850 ffff880052487ce8 ffffffff817813b4
[ 374.133007] ffffffff00000010 ffff880052487cf8 ffff880052487c98 00000000a3109a5c
[ 374.133007] Call Trace:
[ 374.133007] [<ffffffff81782644>] dump_stack+0x45/0x57
[ 374.133007] [<ffffffff817813b4>] panic+0xd0/0x203
[ 374.133007] [<ffffffff8109f69d>] do_exit+0xb3d/0xb40
[ 374.133007] [<ffffffff8109f737>] do_group_exit+0x47/0xb0
[ 374.133007] [<ffffffff810ab5dc>] get_signal+0x27c/0x610
[ 374.133007] [<ffffffff81013547>] do_signal+0x37/0x760
[ 374.133007] [<ffffffff81013cef>] do_notify_resume+0x7f/0xa0
[ 374.133007] [<ffffffff81789952>] retint_signal+0x48/0x86
[ 374.133007] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)
[ 374.133007] drm_kms_helper: panic occurred, switching back to text console
[ 374.133007] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 374.133007]
Filesystem Type Size Used Avail Use% Mounted on
devtmpfs devtmpfs 662M 0 662M 0% /dev
tmpfs tmpfs 682M 72K 682M 1% /dev/shm
tmpfs tmpfs 682M 840K 681M 1% /run
tmpfs tmpfs 682M 0 682M 0% /sys/fs/cgroup
/dev/vda1 iso9660 889M 889M 0 100% /run/initramfs/live
/dev/mapper/live-rw ext4 9.8G 2.7G 7.0G 28% /
tmpfs tmpfs 682M 12K 682M 1% /tmp
vartmp tmpfs 682M 0 682M 0% /var/tmp
varcacheyum tmpfs 682M 0 682M 0% /var/cache/yum
tmpfs tmpfs 137M 8.0K 137M 1% /run/user/1000
[liveuser@localhost ~]$ df -Th -x tmpfs
Filesystem Type Size Used Avail Use% Mounted on
devtmpfs devtmpfs 662M 0 662M 0% /dev
/dev/vda1 iso9660 889M 889M 0 100% /run/initramfs/live
/dev/mapper/live-rw ext4 9.8G 2.7G 7.0G 28% /
[liveuser@localhost ~]$
[liveuser@localhost ~]$ sudo losetup -a
/dev/loop0: [0019]:11530 (/run/initramfs/osmin.img)
/dev/loop1: [1792]:1 (/osmin)
/dev/loop2: [64513]:1998 (/run/initramfs/live/LiveOS/squashfs.img)
/dev/loop3: [1794]:2 (/LiveOS/ext3fs.img)
/dev/loop4: [0001]:11627 (/overlay (deleted))
[liveuser@localhost ~]$ sudo dmsetup table
live-base: 0 20971520 linear 7:3 0
live-osimg-min: 0 20971520 snapshot 7:3 7:1 P 8
live-rw: 0 20971520 snapshot 7:3 7:4 P 8
[liveuser@localhost ~]$
Thanks,
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