[SOLVED]pacman -Sf zim makes arch read-only filesystem

Hi,
Last night I was trying to install zim, it looks like there were a couple packages which weren't properly installed before. I googled the error I received and found somewhere on the forum the tip to use
pacman -Sf package
I ran the command and it installed some sort of new kernel, fstab, something with python, and zim of course. While it was installing the packages I noticed it moved a couple files around and I'm not quite sure what it all did. anyway when I booted arch this morning it didn't quite make it to gdm, so I quickly booted into ubuntu, mounted my arch partition changed the inittab to boot to init 3. I then noticed that it mounted the arch / as read-only, I looked around a bit seems like my /etc/fstab was moved to /etc/fstab.pacorig. Now before I start playing around and maybe break things more than they are, anyone have a tip about how to figure out everything that was changed?
I also noticed that I could login as root without having to use a password which I don't like at all, which is a little scary.
Last edited by whitethorn (2010-06-26 13:50:11)

First things first; using the -f/--force flag with pacman is the absolute last resort, when everything else fails, and when you know exactly what you're doing. Using it just because you found a tip on the forum, and clearly without thinking about the potential consequences, is just asking for trouble - and you've got it.
To fix: your pacman log will tall you what packages were installed, and also has a record of any install-time messages. Comb through that, and work out how to revert the major issues.
[edit] overlap with loafer - he was faster because he used fewer words.

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[SOLVED] Strange Hard Drive Errors - Read Only Filesystem?

Solution: Discard old laptop, buy new laptop
I have an Acer Aspire 5103WLMi. For about 2 months now, Arch has been running smoothly. Until 2 weeks ago.
It all started when I tried to install and configure autofs on Arch x86_64. On the next reboot, all manner of errors were printed to the screen, to the effect that the internal hard drive was only being mounted read-only, rendering the system unusable. I tried to find a solution, but there were no references to read-only anywhere; fstab, grub etc. None that I could find.
I tried reinstalling. However, x86_64 Arch refused to boot properly first time due to the exact same error; and I *know* that I'm configuring everything correctly. I managed (somehow) to coerce i686 Arch to install, and things "work".
Seemingly out of the blue, during normal operation, all running applications will stop, and spit out error after error to the effect of "Cannot Write to Read Only Filesystem!". Sakura won't load (Input/Output error, apparently), and the only way to shut down the laptop is a hard reset (I can't log in as root or use sudo because it wants to write to the filesystem first, which it obviously can't.
Now, I'm going to be giving the insides of this laptop a good cleanout this weekend, and I'm in the process of backing up all of my data, but I was wondering if anyone else has come across a similar form of misbehaviour; or (with a bit of luck) some potential solutions?
This is very peculiar, because there seems to be no reason why the laptop suddenly loses write permissions to the hard drive. Cheers.
Edit: I think I should point out that my /boot partition is Ext2, and / and /home are Ext3
Last edited by aphirst (2013-03-27 14:51:38)

Smartctl gives me the impression it's my Hard Drive:
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
2 Throughput_Performance 0x0005 100 100 050 Pre-fail Offline - 0
3 Spin_Up_Time 0x0027 100 100 001 Pre-fail Always - 1711
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 6194
5 Reallocated_Sector_Ct 0x0033 100 100 050 Pre-fail Always - 0
7 Seek_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 100 100 050 Pre-fail Offline - 0
9 Power_On_Hours 0x0032 092 092 000 Old_age Always - 3291
10 Spin_Retry_Count 0x0033 223 100 030 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 1218
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 294
193 Load_Cycle_Count 0x0032 088 088 000 Old_age Always - 123904
194 Temperature_Celsius 0x0022 100 100 000 Old_age Always - 34 (Lifetime Min/Max 15/62)
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 17
220 Disk_Shift 0x0002 100 100 000 Old_age Always - 118
222 Loaded_Hours 0x0032 094 094 000 Old_age Always - 2425
223 Load_Retry_Count 0x0032 100 100 000 Old_age Always - 0
224 Load_Friction 0x0022 100 100 000 Old_age Always - 0
226 Load-in_Time 0x0026 100 100 000 Old_age Always - 444
240 Head_Flying_Hours 0x0001 100 100 001 Pre-fail Offline - 0
Everything being either Old_age or Pre-fail is not encouraging. Additionally, in the output is what I believe to be records of what caused my strange read-only behaviour:
Error 19 occurred at disk power-on lifetime: 3287 hours (136 days + 23 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
84 51 01 11 18 6a e1 Error: ICRC, ABRT 1 sectors at LBA = 0x016a1811 = 23730193
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
c8 00 48 c4 17 6a e1 00 04:43:08.023 READ DMA
c8 00 48 14 e3 69 e1 00 04:43:08.022 READ DMA
c8 00 a0 5c e2 69 e1 00 04:43:08.010 READ DMA
c8 00 08 9c e5 69 e1 00 04:43:08.010 READ DMA
c8 00 20 5c e5 69 e1 00 04:43:08.009 READ DMA
Could this truly be referring to my problem, since the 'logs' show that the *exact same* error occurred many times.
Not that this tells me how to fix it...
Well, if anyone knows if there is a solution, I'd love to know. If the only solution is to ditch the Hard Drive, fair enough. Either way: I'm backing up all of my important data ASAP.
Cheers.
Oh, and kclive18, after I noticed that I couldn't get onto my Drive, I reinstalled arch, leaving no trace of /etc/autofs/auto.media.
Additionally, somehow I have now been able to install Arch x86_64, but the problems still occur...

[SOLVED] Root mounted as "Read-only filesystem". mkinitcpio issue?

I am currently in the middle of setting up system encryption with LUKS. I have been making good progress so far, but I do have one remaining issue.
After typing my LUKS password, the Linux kernel starts to complain that root is a read-only filesystem. "Starting NetworkManager... cannot touch file XYZ: Read-only filesystem". When it has finally finished booting, I am dropped into a TTY. I can log in and cat my files, but I cannot write to any files our use any programs that do (like pacman).
I wonder if this is an mkinitcpio issue, but I am not sure. For whatever it's worth, here's my basic setup:
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* /dev/sda2: Swap
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Last edited by jalu (2011-04-16 22:14:20)

So it looks like this major problem was caused by a minor mistake. The file /etc/rc.sysinit was not executable. This made it impossible for the kernel to run the script, which in turn made it impossible for the kernel to mount /dev/sda2 (the swap partition) at /dev/mapper/swap. For some unknown reason, this in turn caused /dev/sda2 to be mounted at /, messing everything up.
Anyway, a simple sudo chmod +x /etc/rc.sysinit fixed the problem. Thanks for the help, MadTux!

[SOLVED] Appending Quiet forces Read-Only filesystem

After the update to initscripts I tried to append quiet to the kernel command line of GRUB and it simply causes my system to start-up as a read-only filesystem.
Last edited by horrormaster (2011-08-01 15:36:21)

title Arch Linux x64
root (hd0,1)
kernel /boot/vmlinuz26 root=/dev/disk/by-label/gnu_linux ro rootflags=data=writeback,commit=90,orlov,barrier=0,async
initrd /boot/kernel26.img
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Last edited by horrormaster (2011-08-01 02:04:07)

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t quinn wrote:
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Comment on the "why" for Flash Device....quiet operation, less power required, faster performance and reduced size.
Faster boot time is also possible with raid applied.
As previously stated, running all in ram doesn't provide any performance improvement if the system has at least 2GB of ram. Thus the use of swap is not required with that much ram.
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[SOLVED]pacman -Sf zim makes arch read-only filesystem

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