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Old 04-05-2019, 04:08 PM   #1246
cwizardone
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Kernel updates 5.0.7, 4.19.34, 4.14.111 and 4.9.168 are now available at

https://www.kernel.org/

The change logs,

https://cdn.kernel.org/pub/linux/ker...hangeLog-5.0.7

https://cdn.kernel.org/pub/linux/ker...ngeLog-4.19.34

https://cdn.kernel.org/pub/linux/ker...geLog-4.14.111

https://cdn.kernel.org/pub/linux/ker...ngeLog-4.9.168

Last edited by cwizardone; 04-05-2019 at 04:10 PM.
 
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Old 04-07-2019, 07:32 PM   #1247
cwizardone
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5.1-rc4

Release Candidate 4 of the most recent "mainline" development kernel, version 5.1, has been been made available for testing.

The tarball, https://git.kernel.org/torvalds/t/linux-5.1-rc4.tar.gz

Mr. Torvalds' announcement, http://lkml.iu.edu/hypermail/linux/k...4.0/07447.html

Last edited by cwizardone; 04-07-2019 at 07:50 PM.
 
Old 04-08-2019, 05:55 PM   #1248
rherbert
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Quote:
Originally Posted by tramtrist View Post
I was getting random intermittent freezing with 5.0.x and 4.20.x
The whole system would randomly freeze for 5 seconds or so AND/OR firefox or chrome would just stop working altogether with no crash logs etc. Had to kill processes.
Moving back to 4.19.x fixed those issues immediately.
There were no dmesg or any other logs I could find...
I think I'll stick with LTS for now .....
I was having problems running 5.0 and 5.1 kernels up until the release of 5.1.0-rc3. The boot process would halt for around 5 seconds at "clocksource=tsc", and the machine would freeze intermittently for a second or two, particularly noticed in KDE-Plasma. Since installing 5.1.0-rc3 (and now -rc4), the lockups have disappeared. I'm not sure if this patch, which was included in 5.1.0-rc3, was the cure, but it had the most mentions of "tsc" in the whole incremental patch from -rc2 to -rc3. I couldn't find any other reason. At least now I won't have to upgrade my motherboard for the foreseeable future. ;-)

Code:
+	/*
+	 * A TSC packet can slip past MTC packets so that the timestamp appears
+	 * to go backwards. One estimate is that can be up to about 40 CPU
+	 * cycles, which is certainly less than 0x1000 TSC ticks, but accept
+	 * slippage an order of magnitude more to be on the safe side.
+	 */
 
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Old 04-09-2019, 10:45 AM   #1249
tramtrist
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Quote:
Originally Posted by rherbert View Post
I was having problems running 5.0 and 5.1 kernels up until the release of 5.1.0-rc3. The boot process would halt for around 5 seconds at "clocksource=tsc", and the machine would freeze intermittently for a second or two, particularly noticed in KDE-Plasma. Since installing 5.1.0-rc3 (and now -rc4), the lockups have disappeared. I'm not sure if this patch, which was included in 5.1.0-rc3, was the cure, but it had the most mentions of "tsc" in the whole incremental patch from -rc2 to -rc3. I couldn't find any other reason. At least now I won't have to upgrade my motherboard for the foreseeable future. ;-)

Code:
+	/*
+	 * A TSC packet can slip past MTC packets so that the timestamp appears
+	 * to go backwards. One estimate is that can be up to about 40 CPU
+	 * cycles, which is certainly less than 0x1000 TSC ticks, but accept
+	 * slippage an order of magnitude more to be on the safe side.
+	 */
That's amazing because I decided to give 5.0.6 a go last week just to see if it performed any better and since then I have also stopped seeing random freezing. I'm now also running 5.0.7 with no issue. When I did a search on the 5.0.6 changelog for "TSC" your note came right up....
Quote:
This is not a coincidence It seems 5.0 is possible to be used now on this hardware (Lenovo i7 x270)
commit a0de19f1c307e8e82add7660632857759a4ab814
Author: Adrian Hunter <adrian.hunter@intel.com>
Date: Mon Mar 25 15:51:35 2019 +0200

perf intel-pt: Fix TSC slip

commit f3b4e06b3bda759afd042d3d5fa86bea8f1fe278 upstream.
 
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Old 04-09-2019, 05:58 PM   #1250
Pixxt
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With kernels 5.0.0 to 5.0.5, Mine would pause 30 to 60 seconds at the udevadm --trigger in the init bootup. And then half the time after bootup I would get an unknown process or race condition that ate 100% of a cpu core that I could only fix with reboot or two.

Kernels 5.0.6 and now 5.0.7 are working great.
 
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Old 04-10-2019, 03:31 AM   #1251
Lysander666
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Quote:
Originally Posted by rherbert View Post
I was having problems running 5.0 and 5.1 kernels up until the release of 5.1.0-rc3. The boot process would halt for around 5 seconds at "clocksource=tsc", and the machine would freeze intermittently for a second or two, particularly noticed in KDE-Plasma. ]
I like how this is actually a 'problem' in Slackware. It still boots with this brand new kernel issue, just a few seconds slower. Other Linux OSs, on the other hand, sometimes fail to boot at all.
 
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Old 04-12-2019, 04:08 AM   #1252
tramtrist
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Talking

Running 5.0.6 and 0.7 has been rock solid for me as well. No issues to report on -current
LTS kernel also runs like a scalded dog.
Overall -current seems stable enough to consider an RC IMO...
Unless he's planning on merging Plasma or something I wish pat would declare victory and release the first 15. release candidate
 
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Old 04-12-2019, 04:24 AM   #1253
Lysander666
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Quote:
Originally Posted by tramtrist View Post
LTS kernel also runs like a scalded dog.
Overall -current seems stable enough to consider an RC IMO...
Unless he's planning on merging Plasma or something I wish pat would declare victory and release the first 15. release candidate
I've only been running -current for a week but it's been excellent. No problems whatsoever with 4.19.34. It just enhances my trust in this excellent operating system. I temporarily migrated to Devuan on one of my machines but then moved back because of their dire April Fools joke and the immature community [not counting you, CT]. -current feels very up-to-date, modern, and ready for the prime-time.
 
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Old 04-12-2019, 05:35 AM   #1254
tramtrist
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Quote:
Originally Posted by Lysander666 View Post
I temporarily migrated to Devuan on one of my machines but then moved back because of their dire April Fools joke and the immature community [not counting you, CT]. -current feels very up-to-date, modern, and ready for the prime-time.
I realize this is the kernel thread so I won't pollute it further with my impromptu opinions but.... For whatever reasons you have, if you do not want to run SystemD there really is no other choice. I run i3 so I do not need to worry about the state of KDE etc. I'm not the normal Slack user but I still think it'll be the only distro I'll run until Pat decides not to do this anymore....

Last edited by tramtrist; 04-12-2019 at 05:38 AM.
 
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Old 04-12-2019, 09:28 AM   #1255
cwizardone
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Quote:
Originally Posted by tramtrist View Post
I realize this is the kernel thread so I won't pollute it further with my impromptu opinions but.... For whatever reasons you have, if you do not want to run SystemD there really is no other choice. I run i3 so I do not need to worry about the state of KDE etc. I'm not the normal Slack user but I still think it'll be the only distro I'll run until Pat decides not to do this anymore....
Just FYI, PCLinuxOS does not use systemd. I use and for the foreseeable future will always use Slackware, but if the unthinkable were to happen I would give PCLinuxOS a serious look. That or FreeBSD.
https://www.pclinuxos.com/about/
 
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Old 04-14-2019, 05:30 PM   #1256
cwizardone
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5.1-rc5

Release Candidate 5 of the most recent "mainline" development kernel, version 5.1, has been been made available for testing.

The tarball, https://git.kernel.org/torvalds/t/linux-5.1-rc5.tar.gz

Mr. Torvalds' announcement, http://lkml.iu.edu/hypermail/linux/k...4.1/06167.html

Last edited by cwizardone; 04-14-2019 at 06:27 PM.
 
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Old 04-15-2019, 06:14 PM   #1257
cwizardone
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He with the hyphenated surname is back among us and another round of kernel updates has been scheduled for Wednesday evening, GMT. If no problems are found while testing the release candidates, they might be available late Tuesday or early Wednesday, depending on your location.
 
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Old 04-15-2019, 08:25 PM   #1258
rherbert
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Linux Kernel Announce List

If you're interested in pouncing on the latest kernel versions ASAP, you can always subscribe to the Linux Kernel Announce mailing list by sending an email to majordomo@vger.kernel.org with 'subscribe linux-kernel-announce' (minus quotes) in the body of the email. Or go here and click on subscribe. Works for me.
 
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Old 04-15-2019, 08:50 PM   #1259
1337_powerslacker
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Quote:
Originally Posted by Lysander666 View Post
I've only been running -current for a week but it's been excellent. No problems whatsoever with 4.19.34. It just enhances my trust in this excellent operating system. -current feels very up-to-date, modern, and ready for the prime-time.
I wholeheartedly agree. I've been running -current for some time, and while there was the occasional breakage, (which is to be expected), for the most part, it was (and is!) quite stable. Slackware is the only distro I run, and while I feel likewise about the delay in release of an RC, I am not worried for the most part. I monitor the ChangeLog via an RSS reader, and when there's an update, I am notified immediately. Sometimes, I let 2 or more updates go before I do an update, but that's just personal preference.

Let me go on the record as saying that Slackware approaches perfection in distros. I have yet to find a flaw in Slackware severe enough for me to consider switching to another distro, and in 10+ years, that's saying something. Computers and computing are not perfect, but with Slackware, it is about as close to perfect as one can get in this imperfect world we live in.
 
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Old 04-16-2019, 09:44 AM   #1260
enorbet
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Just a minor anecdote so far but I've been running a mildly customized (low-latency) 5.0.3 kernel exclusively for about a month now. There is a very slight reduction in some performance benchmarks like Unigine Heaven but I don't notice it at all in any real apps and I have experienced no other problems of any kind so far. Once it gets somewhere around 5.0.10 I expect even the benchmarks to improve, hopefully even surpass my previous (and still available in LILO) 4.16.18.
 
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