General :: Poweroff - Damages Hardware ?
Jun 24, 2011So i've been using poweroff command to shutdown my computer at a specific hour.
Is it okay for the hardware to do this (e.g hard drives)? Or should I use other system call?
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General :: Difference Between Halt - Shutdown And Poweroff
Aug 25, 2010difference between halt, shutdown and poweroff
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Feb 23, 2010I have a server Hp proliant DL160 G6 with CentOS 5.4 . When I do shutdown -h now it doesn't poweroff.
I try differents options for acpi in menu.lst file. acpi=force, acpi=noacpi,acpi=off,acpi=ht but there's the same problem.
This the stdout when I do shutdown:
Halting system...
md: stopping all md devices.
Completed flushing cache on controller 0
ACPI: PCI interrupt for device 0000:05:00.1 disabled
xenbr0: port 2(peth0) entering disabled state
ACPI: PCI interrupt for device 0000:05:00.1 disabled
Power down.
acpi_power_off called
I show you any specific information about my server:
Reboot works fine
Slackware :: Poweroff Does Not Turn Off Fujitsu N3530 Notebook?
Jun 17, 2010I recently upgraded the hard drive on my Fujitsu N3530 notebook to WD Scorpio Blue 500 MB, and created a dual-boot configuration with WinXP, installing 32-bit Slackware 13.1 from DVD. Grub 0.97 bootloader is installed on superblock of root partition. Running KDE. Using the generic kernel with appropriate initrd for ext4 filesystem on root partition.
Everything runs fine so far, except the computer won't power off the computer. I've tried using the KDE shutdown, and shutting down from command line - same result. Also same result if I use the huge kernel or the generic kernel.
The last message I see is:
Remounting root filesystem read-only.
/dev/sda3 on / type ext4 (ro)
Power down.
... and then the shutdown process stalls and I have to turn off the computer by pressing and holding the power button.
This is the first time I've installed any Linux OS on this notebook. I have Slackware 13.0 running fine on a Thinkpad T61 with no poweroff issue.
From reading various posts, this looks to be related to ACPI. I tried adding "acpi=force" to the kernel line in menu.lst, but it made no difference.
/var/log/messages shows "acpid exiting" and then "exiting on signal 15" as last entries during shutdown.s.
Ubuntu :: Computer Won't Mount Drives On Startup After An Unexpeted Poweroff?
Jan 14, 2010Last night there was a rather large thunderstorm, and my computer was on at the time. The power went out while my computer was on, and now it won't boot up. After the GRUB screen, a white message at the bottom of the normal loading screen says somthing along the lines of "a partition listed in /etc/fstab cannot be mounted /dev/disk/by-uuid/6835blahblahblah". I chose recovery mode from the grub menu, which gave me a similar message.
Quote:
One or more mounts listed in /etc/fstab cannot yet be mounted: (ESC for recovery shell) /home waiting for /dev/disk/by-uuid/8bl I've googled around a fair bit, but people who got the same message were mainly those upgrading to Karmic, so a different problem. I think my problem was the fact that my computer was turned off possibly while writing and definitely without being unmounted.
So far I have tried changing /etc/fstab to refer to /etc/sda5 instead of UUID=68blahblah, but that came up with the same error. I have looked inside the /dev/disk/by-uuid and the disk that is trying to be mounted is there (so it's not a problem with that).
Software :: Sudden Shutdown/poweroff -- No, It's Not Bad Hardware Or Dirty Fans?
Nov 9, 2010I just did a clean reinstall of Ubuntu (10.04 --> 10.10). After the install, any time I do CPU intensive work, my PC is suddenly shutting down like it's overheating.Everything was working fine for months, and started having problems immediately after the reinstall. so this is not a problem with my hardware, and it's not a problem with my fans needing cleaning -- it's a problem with software. So please don't tell me "that sounds like overheating, clean your fans". Something is different in software-land between 10.04 and 10.10 that is causing this to happen -- I assure you that the upgrade did not magically fill my fans with cat hair.
I have checked my log files, and can't find anything related to overheating -- searches for things related to lm_sensors, "temp", and "thermal" are not turning up anything in the system logs (syslog, kern.log, or messages). I also looked at the logs around the times of the sudden shutdown, and couldn't find anything unusual.How can I diagnose this? I'd like to file a bug report, but since I can't find anything in the logs, I honestly have no idea how to go about providing useful information.Is there anything besides overheating that might be causing my laptop to suddenly shut off?
OpenSUSE Install :: Unable To Get The System To Shutdown Or Fully Poweroff Using The Installed OS?
Jan 10, 2011Built new system and installed openSUSE 11.3 x86_64 with Gnome desktop about 6 weeks ago. Have never been able to get the system to shutdown or fully poweroff using the installed OS. If I use the Knoppix live CD - no problem. System boots up fine and shuts down and powers off correctly. With the installed OS, it originally crashed on shutdown and had to power off using the power button. After trying many things, the OS shuts down, powers off the fans etc, but the keyboard is still lit. I cannot restart the system without turning off power at the power supply. Starting my computer by turning off the power supply switch, waiting
10-12 seconds, turning on the power supply switch and then hitting the power button gets to be very annoying after a few weeks.
Installed KDE and switched to that to see what difference it might make. System does not shutdown, but reboots instead. Switched back to Gnome. Have tried sudo /sbin/shutdown -h now and poweroff. Identical behaviour. System is completely up-to-date. BIOS, kernel, video drivers.
Ubuntu :: 'safe' Poweroff - Freezes On Disabling The Swap File And Doesn't Do Anything
Jan 9, 2010Due to some reason not known to me at this moment, my regular shutdown doesn't work. It freezes on disabling the swap file and doesn't do anything. Now, until that problem is solved, I need a way to properly shutdown. I found one, which is poweroff -f, but it is hardly graceful, and would amount to 'flipping the switch' I guess. The other is hibernate, which is what I now use. This does work, but I rather completely shut down the system. For one, regular boot is quicker than resuming from hibernate.
My main question is: is there any way to make the poweroff -f command, e.g. combined with manually disabling the swap file or whatever,"safe?" as in, I can imagine a sudden power off meaning more chance of damage to the HD, which I don't want.
Hardware :: Arch Freezes At Poweroff (hda: Possibly Failed Opcode: 0x10)
Dec 29, 2010recently I'va bought PCI adapter for extending ATA devices [URL], connected disk (WDC WD1600JB-00REA0, ATA DISK drive). Everything is fine except switching off. Sometimes it freezes, sometimes it takes longer time (more than 30 sec). Everything goes well - except the last step (when appears "Rebooting", or "Switching off" on console). I didn't add any extra boot option into /boot/grub/menu.lst
[Code].....
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Is there a tool that can show me in real time the number of disk IO operations per second and the amount of data read/written per second? Can all this info be broken down and displayed per process?
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userlist=`cut -f 1 -d : /etc/passwd`
mail -s "mailbackup" << END
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homesharedengineering* should be read only for groupA
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homesharedengineeringautocad should be read & write for groupC Plus read only for groupA
I've been using Webmin and Putty to set permissions but Putty only allows me the Default Group, it won't allow me to set several groups on the same directory. Webmin seems to allow me to add multiple groups (Webmin --> Others --> File Manager --> Info & ACL tab will provide extended abilities) but when I add multiple groups, they don't seem to take effect? I'm wondering if my setup at the 'Share' level or at the hierarchy of my folder structure (unix based) needs to be set specifically?
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produces an archive like etc/ and gives warnings
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The develpment version of gimp, 2.7, again, behaves somewhat strangely with openbox, regarding window management, while gimp 2.6 was normal as 2.7 is in fluxbox. Gimp's or openbox' bug?
At some point specific distributions may have something to do with the bugs too, I was forgetting that point.Would be interesting if there were a sort of "unified" bug report place, where developers from all the involved software could decide whose "fault" it is and exchange the bits of information they may have on how to solve it universally. I think that otherwise, bugs being solved more independently, could produce collateral bugs somewhere else, I guess. Like using an hypothetical fluxbox' fix for opera's flash problems on openbox culminating in the problems that chrome has with flash on fluxbox. But hopefully developers have something more or less organized to deal with this sort of contingencies, I can't be the first person to think of that, but still, I'd like to know whom to report the bugs to in this sort of situation. "Everyone" involved? Well, at least the main suspects I guess, as I hardly can track the cause of a problem to some obscure library that is at some point used by some program or WM.