Kernel 5.0 is it dangerous to upgrade?

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all41
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by all41 » Sat Aug 03, 2019 11:18 pm

The latest kernel 5.0.0-23 is working nicely here

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by MrEen » Sat Aug 03, 2019 11:23 pm

all41 wrote:
Sat Aug 03, 2019 11:18 pm
The latest kernel 5.0.0-23 is working nicely here
Techgeek! :lol:

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by all41 » Sat Aug 03, 2019 11:43 pm

MrEen wrote:
Sat Aug 03, 2019 11:23 pm
all41 wrote:
Sat Aug 03, 2019 11:18 pm
The latest kernel 5.0.0-23 is working nicely here
Techgeek! :lol:
This is rather old hardware though--

Code: Select all

uno@labonline ~ $ inxi -Fxz
System:    Host: labonline Kernel: 5.0.0-23-generic x86_64 bits: 64 compiler: gcc v: 7.4.0 Desktop: MATE 1.20.1 
           Distro: Linux Mint 19.1 Tessa base: Ubuntu 18.04 bionic 
Machine:   Type: Desktop System: LENOVO product: 4157D51 v: ThinkStation S20 serial: <filter> 
           Mobo: LENOVO model: LENOVO serial: <filter> BIOS: LENOVO v: 60KT47AUS date: 01/15/2014 
Battery:   Device-1: hidpp_battery_0 model: Logitech Rechargeable Trackpad T651 charge: 10% status: Discharging 
CPU:       Topology: Quad Core model: Intel Xeon W3550 bits: 64 type: MT MCP arch: Nehalem rev: 5 L2 cache: 8192 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 48946 
           Speed: 1772 MHz min/max: 1596/3060 MHz Core speeds (MHz): 1: 1604 2: 1710 3: 1624 4: 1706 5: 1648 6: 1718 7: 1627 
           8: 1653 
Graphics:  Device-1: NVIDIA G96GL [Quadro FX 580] driver: nouveau v: kernel bus ID: 02:00.0 
           Display: x11 server: X.Org 1.19.6 driver: nouveau unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz 
           OpenGL: renderer: NV96 v: 3.3 Mesa 19.0.2 direct render: Yes 
Audio:     Device-1: Intel 82801JI HD Audio vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 00:1b.0 
           Sound Server: ALSA v: k5.0.0-23-generic 
Network:   Device-1: Intel 82574L Gigabit Network driver: e1000e v: 3.2.6-k port: 3000 bus ID: 04:00.0 
           IF: ens1 state: down mac: <filter> 
           Device-2: Broadcom and subsidiaries NetXtreme BCM5755 Gigabit Ethernet PCI Express vendor: Lenovo driver: tg3 
           v: 3.137 port: 3000 bus ID: 05:00.0 
           IF: ens5 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:    Local Storage: total: 1.39 TiB used: 254.04 GiB (17.8%) 
           ID-1: /dev/sda vendor: Seagate model: ST31000528AS size: 931.51 GiB 
           ID-2: /dev/sdb vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB 
           ID-3: /dev/sdc vendor: Western Digital model: WD1600HLFS-75G6U1 size: 149.01 GiB 
           ID-4: /dev/sdd vendor: PNY model: CS900 120GB SSD size: 111.79 GiB 
Partition: ID-1: / size: 29.21 GiB used: 13.13 GiB (44.9%) fs: ext4 dev: /dev/sdb1 
           ID-2: /home size: 113.17 GiB used: 2.41 GiB (2.1%) fs: ext4 dev: /dev/sdb6 
           ID-3: swap-1 size: 3.72 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sdb5 
Sensors:   System Temperatures: cpu: 52.0 C mobo: N/A gpu: nouveau temp: 56 C 
           Fan Speeds (RPM): N/A gpu: nouveau fan: 0 
Info:      Processes: 228 Uptime: 4h 49m Memory: 15.65 GiB used: 907.4 MiB (5.7%) Init: systemd runlevel: 5 Compilers: 
           gcc: 7.4.0 Shell: bash v: 4.4.20 inxi: 3.0.27

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by smurphos » Sun Aug 04, 2019 2:27 am

michael louwe wrote:
Sat Aug 03, 2019 8:06 pm
....... Isn't it discriminatory and noob-unfriendly

You are missing the main point of my question of why you didn't say the same thing to gm10, .......
You are missing my point - the fact that you in particular returned on the same day with more of your regurgitative tripe irritated me to a degree that I felt I had to post as such. My discrimination is very targeted.... :roll: :wink:

Anyway adieu - I may have to follow thx-1138's example and give you the honour of being the only forum member on my ignore list. Your posts are bad for my sense of well-being.
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by gm10 » Sun Aug 04, 2019 5:03 am

thx-1138 wrote:
Sat Aug 03, 2019 10:35 pm
There were filesystem corruption-related issues with both early revisions of 4.19.x & 5.1.x as well as a mere example.
Actually mid to late revisions of 4.19 and first half of 4.20 as well.

So yes, those warnings we slap on the use of mainline kernels are not for no reason. The latest and greatest isn't always the safest. You can still use it, but you have to be aware of that.
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by thx-1138 » Sun Aug 04, 2019 5:45 am

gm10 wrote:
Sun Aug 04, 2019 5:03 am
thx-1138 wrote:
Sat Aug 03, 2019 10:35 pm
There were filesystem corruption-related issues with both early revisions of 4.19.x & 5.1.x as well as a mere example.
Actually mid to late revisions of 4.19 and first half of 4.20 as well.

So yes, those warnings we slap on the use of mainline kernels are not for no reason. The latest and greatest isn't always the safest. You can still use it, but you have to be aware of that.
...yes - had also (semi-accidentally) stumbled upon this some weeks ago.
5.2 also introduces a certain level of support to being case-insensitive from what i read...
Call me extra paranoid about my data, however, especially when i see many ext3/4-related commits,
i do tend to step back even more / be more cautious - why rush after all...
On 5.0 at the moment, however, with the above developments (and recent past issues),
i'll certainly give it quite some time to 'jump' forward myself...

And then, it's also the even simpler matter of finding / reading potential bug reports (for whatever issue).
For right or for wrong, i'm not really the guy who's willing to learn the hard way how to do git bisecting... :lol: :mrgreen:

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by Pjotr » Sun Aug 04, 2019 6:24 am

michael louwe wrote:
Sat Aug 03, 2019 8:06 pm
smurphos wrote:
Sat Aug 03, 2019 7:46 pm
Because gm10's posts are generally useful and informative. Yours are neither.
That's just another of your trollish nonsense.
You're the one who's posting trollish nonsense, michael. As almost always. Why?
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by gm10 » Sun Aug 04, 2019 6:33 am

thx-1138 wrote:
Sun Aug 04, 2019 5:45 am
5.2 also introduces a certain level of support to being case-insensitive from what i read...
Call me extra paranoid about my data, however, especially when i see many ext3/4-related commits,
That's quite a useful change though, it allows WINE to provide folder-level case insensitivity inside of its prefixes through the kernel driver instead of having to do it manually. It's not something that will be applied to your file system in general (although you can decide to use it if you feel like it).
Last edited by gm10 on Sun Aug 04, 2019 9:58 am, edited 1 time in total.
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by MurphCID » Sun Aug 04, 2019 9:28 am

I am going to wait, although I think that the upgrade might be ok. What is the LTS 5.x Kernel?

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by gm10 » Sun Aug 04, 2019 9:59 am

MurphCID wrote:
Sun Aug 04, 2019 9:28 am
What is the LTS 5.x Kernel?
Which ever kernel will be released with Ubuntu 20.04 LTS next year. :P
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by michael louwe » Sun Aug 04, 2019 10:06 am

MurphCID wrote:
Sun Aug 04, 2019 9:28 am
I am going to wait, although I think that the upgrade might be ok. What is the LTS 5.x Kernel?
AFAIK, this will only be confirmed and decided with the release of Ubuntu 20.04 LTS at around April 2020.
....... The release of the alpha or test version of Ubuntu 20.04 at around Jan 2020(.?) should give us an inkling about the coming LTS 5.x kernel. ... https://www.itzgeek.com/how-tos/linux/u ... tures.html

LTS kernel accompanied Ubuntu 12.04/14.04/16.04/18.04/and so on. These LTS kernels are supported by Ubuntu, not by kernel.org/Linus Torvald or by Debian.

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by MurphCID » Sun Aug 04, 2019 10:44 am

michael louwe wrote:
Sun Aug 04, 2019 10:06 am
MurphCID wrote:
Sun Aug 04, 2019 9:28 am
I am going to wait, although I think that the upgrade might be ok. What is the LTS 5.x Kernel?
AFAIK, this will only be confirmed and decided with the release of Ubuntu 20.04 LTS at around April 2020.
....... The release of the alpha or test version of Ubuntu 20.04 at around Jan 2020(.?) should give us an inkling about the coming LTS 5.x kernel. ... https://www.itzgeek.com/how-tos/linux/u ... tures.html

LTS kernel accompanied Ubuntu 12.04/14.04/16.04/18.04/and so on. These LTS kernels are supported by Ubuntu, not by kernel.org/Linus Torvald or by Debian.
Oh, that is interesting, I thought the LTS Kernels were official with Kernel.org? So Ubuntu can put anything it wants in the Kernel, and therefore it is no longer Official?

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by Pjotr » Sun Aug 04, 2019 10:48 am

MurphCID wrote:
Sun Aug 04, 2019 10:44 am
I thought the LTS Kernels were official with Kernel.org? So Ubuntu can put anything it wants in the Kernel, and therefore it is no longer Official?
The upstream Longterm (longterm maintenance) kernel series at kernel.org doesn't equal the downstream LTS (longterm support) kernel series at Ubuntu. No relation at all.
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by michael louwe » Sun Aug 04, 2019 11:03 am

MurphCID wrote:
Sun Aug 04, 2019 10:44 am
Oh, that is interesting, I thought the LTS Kernels were official with Kernel.org? So Ubuntu can put anything it wants in the Kernel, and therefore it is no longer Official?
FOSS or GPL means even the upstream Linux kernel from kernel.org can be modified or forked by any developer.
.
What differentiates the Ubuntu Kernel from the upstream Linux Kernel?

Ubuntu kernels are rebased against stable releases only through the development cycle, with many patches on top of the stable tag. Once the final release is made the master branch is never rebased again. While stable updates (post release) are usually applied, we sometimes make patch decisions that are counter to the stable releases.

So, the best one could say is that Ubuntu kernels are only loosely based on upstream stable. You'd have to examine the changelog to know exactly what goes into a particular kernel.

With every Ubuntu kernel release, we attempt to remain as true to the upstream Linux kernel as possible. However, there are inevitable patches which we carry on top of the upstream Linux kernel which differentiates the Ubuntu kernel from the upstream Linux kernel. This document attempts to describe the general set of patches which are carried and why: Kernel/FAQ/UbuntuDelta .
https://wiki.ubuntu.com/Kernel/FAQ

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by MurphCID » Sun Aug 04, 2019 3:02 pm

I upgraded to 5.0 on the extra laptop, along with 19.2 and it seems fine. I just wish Linux had better power management to give me more hours of battery life.

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by gm10 » Sun Aug 04, 2019 3:14 pm

MurphCID wrote:
Sun Aug 04, 2019 3:02 pm
I upgraded to 5.0 on the extra laptop, along with 19.2 and it seems fine. I just wish Linux had better power management to give me more hours of battery life.
My laptop's battery lasts twice the marketed duration (up to 8 hours usually), I'm not complaining even a little. ;)
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by MurphCID » Sun Aug 04, 2019 3:40 pm

gm10 wrote:
Sun Aug 04, 2019 3:14 pm
MurphCID wrote:
Sun Aug 04, 2019 3:02 pm
I upgraded to 5.0 on the extra laptop, along with 19.2 and it seems fine. I just wish Linux had better power management to give me more hours of battery life.
My laptop's battery lasts twice the marketed duration (up to 8 hours usually), I'm not complaining even a little. ;)
What is your secret?

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by gm10 » Sun Aug 04, 2019 3:48 pm

MurphCID wrote:
Sun Aug 04, 2019 3:40 pm
What is your secret?
Just sacrifice a Windows PC once in a while and the Linux gods will love you, too. :lol: :P
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Re: Kernel 5.0 is it dangerous to upgrade?

Post by MurphCID » Sun Aug 04, 2019 4:10 pm

gm10 wrote:
Sun Aug 04, 2019 3:48 pm
MurphCID wrote:
Sun Aug 04, 2019 3:40 pm
What is your secret?
Just sacrifice a Windows PC once in a while and the Linux gods will love you, too. :lol: :P
LOL!

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Re: Kernel 5.0 is it dangerous to upgrade?

Post by michael louwe » Sun Aug 04, 2019 5:35 pm

MurphCID wrote:
Sun Aug 04, 2019 10:44 am
Oh, that is interesting, I thought the LTS Kernels were official with Kernel.org? So Ubuntu can put anything it wants in the Kernel, and therefore it is no longer Official?
IIRC, from Debian 9 and Ubuntu 16.04 onward, following the FOSS policy, the Debian and Ubuntu kernels have stripped all proprietary or closed source software(eg the binary blobs of OEM hardware device drivers) from the upstream Linux kernel. Hence, users have the option to install "3rd-party software, graphics, wifi drivers and codecs" when installing Ubuntu or Linux Mint.

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