[nmglug] Freezing
Brian O'Keefe
okeefe at cybermesa.com
Sat Jun 6 20:56:35 PDT 2020
I ran gparted and the Ubuntu disk utility as well as fdisk, sfdisk,
cfdisk and there is no swap partition that I can find. There are tens if
not more files listed w/ fdisk and the following is running lsblk There
are obviously significant changes in 20.04 that are pretty much
incomprehensible to me!
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 161.4M 1 loop /snap/gnome-3-28-1804/128
loop1 7:1 0 105.2M 1 loop /snap/audacity/648
loop2 7:2 0 154.3M 1 loop /snap/chromium/1143
loop3 7:3 0 156.2M 1 loop /snap/chromium/1165
loop4 7:4 0 97M 1 loop /snap/core/9289
loop5 7:5 0 93.9M 1 loop /snap/core/9066
loop6 7:6 0 55M 1 loop /snap/core18/1705
loop7 7:7 0 289.8M 1 loop /snap/kde-frameworks-5-qt-5-14-core18/3
loop8 7:8 0 55M 1 loop /snap/core18/1754
loop9 7:9 0 140.7M 1 loop /snap/gnome-3-26-1604/100
loop11 7:11 0 49.8M 1 loop /snap/snap-store/454
loop12 7:12 0 255.6M 1 loop /snap/gnome-3-34-1804/33
loop13 7:13 0 107M 1 loop /snap/gnucash-jz/43
loop14 7:14 0 255.6M 1 loop /snap/gnome-3-34-1804/36
loop15 7:15 0 54.8M 1 loop /snap/gtk-common-themes/1502
loop16 7:16 0 181.1M 1 loop /snap/spotify/36
loop17 7:17 0 141.8M 1 loop /snap/inkscape/7601
loop18 7:18 0 62.1M 1 loop /snap/gtk-common-themes/1506
loop19 7:19 0 140.7M 1 loop /snap/gnome-3-26-1604/98
loop20 7:20 0 260.7M 1 loop /snap/kde-frameworks-5-core18/32
loop21 7:21 0 160.2M 1 loop /snap/gnome-3-28-1804/116
loop22 7:22 0 87.8M 1 loop /snap/kdenlive/23
loop23 7:23 0 132K 1 loop /snap/gtk2-common-themes/9
loop24 7:24 0 141.8M 1 loop /snap/inkscape/7627
loop25 7:25 0 132K 1 loop /snap/gtk2-common-themes/5
loop26 7:26 0 291M 1 loop /snap/vlc/1620
loop27 7:27 0 163.7M 1 loop /snap/spotify/41
loop28 7:28 0 2.2M 1 loop /snap/gnome-system-monitor/148
loop29 7:29 0 290.6M 1 loop /snap/kde-frameworks-5-qt-5-14-core18/4
loop30 7:30 0 2.2M 1 loop /snap/gnome-system-monitor/145
loop31 7:31 0 202.9M 1 loop /snap/vlc/1397
loop32 7:32 0 87.8M 1 loop /snap/kdenlive/24
loop33 7:33 0 113.4M 1 loop /snap/audacity/666
sda 8:0 0 238.5G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
└─sda2 8:2 0 238G 0 part /
However I get this when I run the following so Swap is not a partition,
right? What is it now? A file as you noted?
$ grep SwapTotal /proc/meminfo
SwapTotal: 2097148 kB
Thanks so much Ted and I hope that you are doing as well as you can be.
Brian
On 6/6/20 4:19 PM, Ted Pomeroy wrote:
> Brian, Very interesting. Is your swap a file or a partition? I just
> read an article https://bogdancornianu.com/change-swap-size-in-ubuntu/
> which sounds like what you describe for making swap bigger. It notes
> that Ubuntu changed the protocol of swap from a partition to a file. I
> am using Xubuntu 18.04 and the install here is a swap partition. As
> shown here from my lsblk:
> sda 8:0 0 298.1G 0 disk
> ├─sda1 8:1 0 199M 0 part
> ├─sda2 8:2 0 165.4G 0 part
> ├─sda3 8:3 0 1K 0 part
> ├─sda4 8:4 0 103.3M 0 part
> ├─sda5 8:5 0 125G 0 part /
> └─sda6 8:6 0 7.5G 0 part [SWAP]
> sr0 11:0 1 1024M 0 rom
> So, be careful and check first. I might suggest you ascertain the
> nature of your system before trying to use the directions you quoted.
> Thank you, Ted P.
>
> On Sat, Jun 6, 2020 at 3:35 PM Ted Pomeroy <ted.pome at gmail.com
> <mailto:ted.pome at gmail.com>> wrote:
>
> Brian, A quick look at it seems that it is correct. Swap is a
> partition, it has to be unmounted to be re-sized, hence the
> 'swapoff' command. The 'dd' to resize it is an interesting
> approach, rather than using parted or gparted. If you have used
> all of the physical drive to install, it might feel clearer to use
> gparted to enlarge /swap and see which other partition is giving
> up some room. Check to see if the sample directions were installed
> to hardware like yours or was it a virtual install? I will have to
> take a look at the discussion on the Internet. Thank you, Ted P.
>
> On Sat, Jun 6, 2020 at 2:21 PM Brian O'Keefe <okeefe at cybermesa.com
> <mailto:okeefe at cybermesa.com>> wrote:
>
> Hi All,
>
> My Asus laptop has been freezing up for no reason that I could
> think of. I found out my swap partition is 2GB and this person
> solved it by increasing the swap partition to 16GB. I'm
> reluctant to start messing with partitions, though I have at
> times, w/o one of you brainiacs look at the procedure. If
> anyone can look this over I'd appreciate it but no obligations.
>
> Stay safe!
>
> Brian
>
> 0
>
> yes Ubuntu 20.04 hangs freeze although I have 8 GB of Ram and i7
>
> I could temporary fix this issue in my side, by expanding swap
> partition from 2 GB to 16 GB
>
> I am not sure but I think there is problem in Ubuntu 20.04
> memory management, here in my side it keep consuming memory,
> then when both memory and swap are full, the computer start to
> freeze and hang
>
> the solution steps are:
>
> 1- check the amount of swap you have
>
> |grep SwapTotal /proc/meminfo |
>
> 2-turn off the swap process
>
> |sudo swapoff -a |
>
> 3-resize the swap(in my case i expand it to 16 gb)
>
> |sudo dd if=/dev/zero of=/swapfile bs=1G count=16 |
>
> 4- attach the swap to partition
>
> |sudo mkswap /swapfile |
>
> 5- activate swap(enable it)
>
> |sudo swapon /swapfile |
>
> 6- see the new swap size
>
> |grep SwapTotal /proc/meminfo |
>
> done
>
> --
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