Re: Microphone trouble

2020-06-11 Thread Joe Zeff

On 06/11/2020 11:36 PM, Samuel Sieb wrote:
This is the internal laptop mic or the headset mic.  Either way, all the 
following suggestion about recording it locally for a test and checking 
the levels is also good.


This is the internal one.  The headset one only worked if one jack was 
plugged into the right place, the other one wasn't plugged in and the 
jack connecting the headset to the Y connector wasn't plugged completely in.

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Re: Microphone trouble

2020-06-11 Thread Samuel Sieb

On 6/11/20 10:17 PM, Joe Zeff wrote:

On 06/11/2020 10:15 PM, Tim via users wrote:

On Thu, 2020-06-11 at 21:25 -0600, Joe Zeff wrote:

However, I'm told that there's so much static from my mic that the
host mutes me before I can even say one, single word.


This is the internal laptop mic or the headset mic.  Either way, all the 
following suggestion about recording it locally for a test and checking 
the levels is also good.



Try recording yourself to a file (e.g. use Audacity).  Does it sound
clear?  If not, check your mike gain isn't wound up excessively high,
wiggle leads and connectors, see if you can find a fault with your mic
that you can make come and go.



That right there may be the problem, cranking it up too high.


I don't know about xfce, but in the Gnome sound control panel, there's 
an indicator showing the microphone level.  If not, then audacity works 
maybe even better.  It has a live indicator as well.  If it's hitting 
the top, then the level is too high.  And you can immediate record and 
playback testing.



I know you said you're not in a position to buy a new mic, but it might
be worth buying a $2 cheapy as an experiment.  You don't have to use a
headset, you can use separate mikes and headphones.


It's not that I can't afford to buy another mic, it's the principle of 
the thing.  I've had lots and lots of people suggest that I throw money 
at a problem, but in my 70 years, I've only once had somebody offer to 
throw their own money at a hardware problem.  And, I don't really need a 
headset, my laptop's speakers work Just Fine.


A headset works way better.  You avoid echo and feedback issues and 
usually a headset microphone will have better sound than the built-in one.

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Re: DMESG Output Indicating Potential CPU Errors?

2020-06-11 Thread Samuel Sieb

On 6/11/20 8:46 PM, Gordon Messmer wrote:

On 6/11/20 3:09 PM, Patrick O'Callaghan wrote:

It relates to competition in the sense that keeping host and guest to
disjoint sets of cores avoids them competing for the same cores and
hence contaminating the respective caches. That's all I mean. Don't
read too much into it. Clearly the whole set is still being scheduled
by the host system.



Oh, now I see what you're getting at.  If I'm wrong, I hope someone 
chimes in to correct me:


Setting the CPU affinity of a process in Linux (which is what we're 
talking about) will cause the scheduler to always schedule the process 
on those CPUs, but it doesn't prevent the kernel or any other process 
from using those CPUs.  That is, it doesn't reserve those CPUs for the 
exclusive use of the process that you're setting the affinity for.  So, 
it's not minimizing competition in the way that you think it is, if I 
understand what you're getting at.


You can also specify that certain cores are dedicated to certain 
processes and the kernel won't schedule anything else on them.

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Re: Microphone trouble

2020-06-11 Thread Joe Zeff

On 06/11/2020 10:15 PM, Tim via users wrote:

On Thu, 2020-06-11 at 21:25 -0600, Joe Zeff wrote:

However, I'm told that there's so much static from my mic that the
host mutes me before I can even say one, single word.


Try recording yourself to a file (e.g. use Audacity).  Does it sound
clear?  If not, check your mike gain isn't wound up excessively high,
wiggle leads and connectors, see if you can find a fault with your mic
that you can make come and go.



That right there may be the problem, cranking it up too high.


If your recordings sound clear, then you may be experiencing a
transmission issue over the internet.  What people call "static" is
wrong in the first place, and misleading in that they call all sorts of
different things by the same name.


That won't be it because my sister and I share a house and her voice 
comes through fine.



I know you said you're not in a position to buy a new mic, but it might
be worth buying a $2 cheapy as an experiment.  You don't have to use a
headset, you can use separate mikes and headphones.
  


It's not that I can't afford to buy another mic, it's the principle of 
the thing.  I've had lots and lots of people suggest that I throw money 
at a problem, but in my 70 years, I've only once had somebody offer to 
throw their own money at a hardware problem.  And, I don't really need a 
headset, my laptop's speakers work Just Fine.

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Re: Microphone trouble

2020-06-11 Thread Tim via users
On Thu, 2020-06-11 at 21:25 -0600, Joe Zeff wrote:
> However, I'm told that there's so much static from my mic that the
> host mutes me before I can even say one, single word.

Try recording yourself to a file (e.g. use Audacity).  Does it sound
clear?  If not, check your mike gain isn't wound up excessively high,
wiggle leads and connectors, see if you can find a fault with your mic
that you can make come and go. 

If there's a fault with the connectors on the computer, that's harder
to deal with, though often it's just a grotty connection that will
clear up if you rotate the jack in the socket a little bit.

If your recordings sound clear, then you may be experiencing a
transmission issue over the internet.  What people call "static" is
wrong in the first place, and misleading in that they call all sorts of
different things by the same name.  If you're experiencing packet loss,
you can get crackles and pops.  And some codecs are garbage (a friend's
mobile phone garbles the first syllable of almost every word he says).

I know you said you're not in a position to buy a new mic, but it might
be worth buying a $2 cheapy as an experiment.  You don't have to use a
headset, you can use separate mikes and headphones.
 
-- 
 
uname -rsvp
Linux 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64
 
Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
I will only get to see the messages that are posted to the mailing list.
 
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Re: DMESG Output Indicating Potential CPU Errors?

2020-06-11 Thread Gordon Messmer

On 6/11/20 3:09 PM, Patrick O'Callaghan wrote:

It relates to competition in the sense that keeping host and guest to
disjoint sets of cores avoids them competing for the same cores and
hence contaminating the respective caches. That's all I mean. Don't
read too much into it. Clearly the whole set is still being scheduled
by the host system.



Oh, now I see what you're getting at.  If I'm wrong, I hope someone 
chimes in to correct me:


Setting the CPU affinity of a process in Linux (which is what we're 
talking about) will cause the scheduler to always schedule the process 
on those CPUs, but it doesn't prevent the kernel or any other process 
from using those CPUs.  That is, it doesn't reserve those CPUs for the 
exclusive use of the process that you're setting the affinity for.  So, 
it's not minimizing competition in the way that you think it is, if I 
understand what you're getting at.

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Microphone trouble

2020-06-11 Thread Joe Zeff
My laptop is running F 31 and Xfce, fully updated.  I'm trying to use 
Zoom to participate in meetings of a club I belong to but am having 
trouble with the microphone.  If I use a headset and mic, I can usually 
hear OK, but nobody can understand what I'm saying.  If I use the 
internal speakers and mic, the sound is sometimes OK, sometimes not. 
However, I'm told that there's so much static from my mic that the host 
mutes me before I can even say one, single word.  Does anybody have an 
idea as to how to correct this without throwing money at it?  Buying a 
new mic right now is out of the question, especially as I can't try it 
before I buy it.

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Re: Btrfs out of space - but plenty of space is available

2020-06-11 Thread Konstantin Svist
After I wrote the question here, I realized what that I didn't google
for the condition well enough
Long story short, turns out sometimes btrfs reserves the space but
doesn't use it -- in this case, a good 40+% of the drive :(
Anyway, after a "btrfs balance" I think it's actually resolved.

# btrfs fi us /
Overall:
    Device size:         476.94GiB
    Device allocated:         279.98GiB

(before the rebalance, "allocated" was also ~476GiB)

~cheers


On 6/11/20 16:38, Konstantin Svist wrote:
> Looks like I'm having a problem with my btrfs partition, it thinks
> it's out of space.
> Thing is, the drive is 500G and usage according to df and btrfs df is
> ~250G
> I removed a couple of snapshots as a workaround but hit the problem
> again pretty quickly..
> I also ran fstrim & btrfs check --clear-space-cache (both v1 and v2)
> and still no luck.
>
> Is there some limitation on number of files? I'm not doing anything
> crazy there, just haven't checked yet

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Re: DMESG Output Indicating Potential CPU Errors?

2020-06-11 Thread Roger Heflin
On Thu, Jun 11, 2020 at 5:10 PM Patrick O'Callaghan
 wrote:
>
> On Wed, 2020-06-10 at 16:14 -0700, Gordon Messmer wrote:
> > On 6/10/20 9:36 AM, Patrick O'Callaghan wrote:
> > > > On 6/10/20 2:56 AM, Patrick O'Callaghan wrote:
> > > > > In KVM/QEMU you can also pin specific cores to your VM to prevent
> > > > > competition between the host and guest (mainly by avoiding cache
> > > > > pollution as I understand it).
> > > https://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-4-our-first.html
> > >
> > > (search for vcpupin partway down the page). This doesn't relate to NUMA
> > > systems but to cache efficiency (also mentioned in your second
> > > reference), though it may be a matter of terminology. Perhaps I should
> > > have said "avoid" or "mitigate" rather than "prevent".
> >
> > I don't see anything there that suggests that CPU affinity is related to
> > competition between the host and the guest.
>
> It relates to competition in the sense that keeping host and guest to
> disjoint sets of cores avoids them competing for the same cores and
> hence contaminating the respective caches. That's all I mean. Don't
> read too much into it. Clearly the whole set is still being scheduled
> by the host system.
>
> poc

The original poster said that they gave the vm 8 cores, how many cores does the
underlying host have (cores and hyperthreads).   If the underlying
host system only has
8 cores/threads then it is going to be pretty hard for the vm to ever
get the 8 it needs at one time
that it needs to be allowed to run.
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Re: Btrfs out of space - but plenty of space is available

2020-06-11 Thread Neal Becker
This happened to me before.  It's something similar to running out of
inodes.  Just do some googling and you should find the solution
(unfortunately I don't recall it).

On Thu, Jun 11, 2020 at 7:38 PM Konstantin Svist  wrote:

> Looks like I'm having a problem with my btrfs partition, it thinks it's
> out of space.
> Thing is, the drive is 500G and usage according to df and btrfs df is ~250G
> I removed a couple of snapshots as a workaround but hit the problem again
> pretty quickly..
> I also ran fstrim & btrfs check --clear-space-cache (both v1 and v2) and
> still no luck.
>
> Is there some limitation on number of files? I'm not doing anything crazy
> there, just haven't checked yet
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-- 
*Those who don't understand recursion are doomed to repeat it*
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Re: Btrfs out of space - but plenty of space is available

2020-06-11 Thread Richard Shaw
On Thu, Jun 11, 2020 at 6:38 PM Konstantin Svist  wrote:

> Looks like I'm having a problem with my btrfs partition, it thinks it's
> out of space.
> Thing is, the drive is 500G and usage according to df and btrfs df is ~250G
> I removed a couple of snapshots as a workaround but hit the problem again
> pretty quickly..
> I also ran fstrim & btrfs check --clear-space-cache (both v1 and v2) and
> still no luck.
>
> Is there some limitation on number of files? I'm not doing anything crazy
> there, just haven't checked yet
>

This may be over simplistic, but I know btrfs needs free space because it's
a COW (Copy On Write) file system, but 250GB seems excessive.

Thanks,
Richard
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Btrfs out of space - but plenty of space is available

2020-06-11 Thread Konstantin Svist
Looks like I'm having a problem with my btrfs partition, it thinks it's out
of space.
Thing is, the drive is 500G and usage according to df and btrfs df is ~250G
I removed a couple of snapshots as a workaround but hit the problem again
pretty quickly..
I also ran fstrim & btrfs check --clear-space-cache (both v1 and v2) and
still no luck.

Is there some limitation on number of files? I'm not doing anything crazy
there, just haven't checked yet
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[389-users] Re: [EXTERNAL] Re: Re: Re: Re: new server setup hanging

2020-06-11 Thread William Brown

> On 12 Jun 2020, at 03:12, Crocker, Deborah  wrote:
> 
> What is it about this newer version compared to the old where this is 
> happening. Is it that our setup is not quite the same? We try to bring all 
> settings forward (except now it is auto-tuning cache) but it is possible we 
> missed something.

It's hard to tell. Unindexed searches like this will always hurt performance. 
Unindexed searches have a tendancy to blow your cache out through 
evicts/includes. You should check also your db monitor to see if there are many 
cache evictions. That would tell you that autotuning is too low.

 We had to develop the cache auto-tune to work with FreeIPA in mind, and so by 
default it uses 10% of the system ram (25% as of 1.4.4 I think ). FreeIPA 
comes with a lot of other daemons like dogtag and co, and they are are memory 
hungry, so DS has to "share the playground" with them. There were also issues 
with glibc fragmenting our address space, and that caused us to "appear" to 
leak (We have since improved this situation of course). When autotuning was 
added, DS would ship with out of the box, I think 100MB of entry cache only, 
and some people went to production with this. Auto tuning isn't designed to be 
perfect, it's designed to be "better than before". And yes we'll keep improving 
that, but sometimes you need to tweak it to use more of the resources you have 
for your workload. As yet, I haven't thought of a good way to make it so that a 
pure 389-ds instance gets more memory, but we tune for less in freeipa to share 


You could find that changing it to 25% or 40% will improve your situation, 
especially if you are seeing lots of inclusions and evictions.

https://access.redhat.com/documentation/en-us/red_hat_directory_server/11/html/performance_tuning_guide/memoryusage#DB_and_entry_cache_RAM_usage

And again, you *really really* should index all the attributes in that query, 
because any query that is "notes=F|A|U" is going to be bad, and you should 
configure SSSD to "play nice" ie ignore_group_members=true and enumerate=false 
to reduce load on your directory servervs, but also to improve your client 
login times  (it used to take 5 minutes for me to sudo at my old workplace 
until I set ignore_group_members=true).

Hope that helps, 


—
Sincerely,

William Brown

Senior Software Engineer, 389 Directory Server
SUSE Labs
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Re: DMESG Output Indicating Potential CPU Errors?

2020-06-11 Thread Patrick O'Callaghan
On Wed, 2020-06-10 at 16:14 -0700, Gordon Messmer wrote:
> On 6/10/20 9:36 AM, Patrick O'Callaghan wrote:
> > > On 6/10/20 2:56 AM, Patrick O'Callaghan wrote:
> > > > In KVM/QEMU you can also pin specific cores to your VM to prevent
> > > > competition between the host and guest (mainly by avoiding cache
> > > > pollution as I understand it).
> > https://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-4-our-first.html
> > 
> > (search for vcpupin partway down the page). This doesn't relate to NUMA
> > systems but to cache efficiency (also mentioned in your second
> > reference), though it may be a matter of terminology. Perhaps I should
> > have said "avoid" or "mitigate" rather than "prevent".
> 
> I don't see anything there that suggests that CPU affinity is related to 
> competition between the host and the guest.

It relates to competition in the sense that keeping host and guest to
disjoint sets of cores avoids them competing for the same cores and
hence contaminating the respective caches. That's all I mean. Don't
read too much into it. Clearly the whole set is still being scheduled
by the host system.

poc
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Re: DNF Upgrade of F31 to F32 did not Update Grub

2020-06-11 Thread Łukasz Posadowski
Tue, 9 Jun 2020 21:18:12 +1000
Stephen Morris :

> Hi,
>      After eventually getting 'dnf system-upgrade download 
> --releasever=32' to download and reboot the system, when the upgrade
> had finished the system booted into sddm. When I selected KDE to
> start into all it did was display a black screen. If I selected
> Gnome, that did exactly the same thing. To try to work around this I
> booted into recovery mode to see if I could identify why this was
> happening. Looking at /boot I found that an F32 kernel had been
> installed, and when I looked at /boot/efi/EFI/fedora/grub.cfg I found
> that there was no entry for the F32 kernel. To circumvent this I
> issued the command grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg,
> and rebooted via the F32 kernel entry, which then enabled KDE and
> Gnome to both start successfully. Has anyone else seen the issue of
> the F32 upgrade not updating grub?

Mine went fine on several machines, You should have it logged into:
dnf history
dnf history info [thalatestnumber]

-- 
Łukasz Posadowski
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Re: keeping debuginfo in sync?

2020-06-11 Thread Tom Horsley
On Thu, 11 Jun 2020 13:57:46 -0600
Jerry James wrote:

> Edit /etc/dnf/plugins/debuginfo-install.conf and set "autoupdate=1".
> Then dnf will check for updates automatically.

That looks like it. Thanks!
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Re: What is backup_vg-backup? Can it be so big?

2020-06-11 Thread Samuel Sieb

On 6/11/20 11:34 AM, Beartooth wrote:

Yesterday, I Beartooth wrote:


  The whole PC is now a backup; so I'd have no hesitation to DBAN it,
install F32, and recopy data from my
present #1 machine. I did think it seemed to have surprisingly little
storage when I did that df -h; but if I understand better now, that
1.7T is real -- and, I hope, available for other uses. Is that so?
Maybe I don't need to wipe it?


Lish me wuck. My old DBAN medium failed in five seconds flat on
interactive, and failed again in five more on autonuke. So I burned a
medium for F32 netinstall, and booted from that.


There was no need to wipe it before anyway.


As usual, I missed some boneheaded thing, and couldn't get
Anaconda to accept any manual partitioning I tried; so I eventually just
let it go automatic. It finished all right, and I'm adding apps.


Check how it did the partitioning.  I have no idea what it will do when 
there are two drives.  Custom or blivet partitioning would have been 
much better for your case.

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Re: keeping debuginfo in sync?

2020-06-11 Thread Jerry James
On Thu, Jun 11, 2020 at 1:54 PM Tom Horsley  wrote:
> Is there a trivial way to insure debuginfo files I have installed
> stay in sync with the libraries when they get updated?
>
> I manually updated all my debuginfo packages, then found
> I also needed to update debugsource packages.

Edit /etc/dnf/plugins/debuginfo-install.conf and set "autoupdate=1".
Then dnf will check for updates automatically.
-- 
Jerry James
http://www.jamezone.org/
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keeping debuginfo in sync?

2020-06-11 Thread Tom Horsley
Is there a trivial way to insure debuginfo files I have installed
stay in sync with the libraries when they get updated?

I manually updated all my debuginfo packages, then found
I also needed to update debugsource packages.
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Re: What is backup_vg-backup? Can it be so big?

2020-06-11 Thread Beartooth
Yesterday, I Beartooth wrote:

>>  The whole PC is now a backup; so I'd have no hesitation to DBAN it, 
>> install F32, and recopy data from my
>> present #1 machine. I did think it seemed to have surprisingly little
>> storage when I did that df -h; but if I understand better now, that
>> 1.7T is real -- and, I hope, available for other uses. Is that so?
>> Maybe I don't need to wipe it?

Lish me wuck. My old DBAN medium failed in five seconds flat on 
interactive, and failed again in five more on autonuke. So I burned a 
medium for F32 netinstall, and booted from that.

As usual, I missed some boneheaded thing, and couldn't get 
Anaconda to accept any manual partitioning I tried; so I eventually just 
let it go automatic. It finished all right, and I'm adding apps.

Beforehand, last night and this morning, I had copied my whole 
home directory to a thumb stick. Then this morning I merged it into the 
home directory of my #1 machine, which I'm using now. And I'm in process 
of merging it into #3. When that's done, I'll copy it back, knowing it 
works.

Many, many thanks to all hands, and especially to Samuel Sieb, for 
all the help!
-- 
Beartooth Staffwright, Not Quite Clueless Power User
Remember I know little (precious little!) of where up is.
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[389-users] Re: [EXTERNAL] Re: Re: Re: Re: new server setup hanging

2020-06-11 Thread Crocker, Deborah
What is it about this newer version compared to the old where this is 
happening. Is it that our setup is not quite the same? We try to bring all 
settings forward (except now it is auto-tuning cache) but it is possible we 
missed something.

Deborah Crocker, PhD
Systems Engineer III 
Office of Information Technology 
The University of Alabama
Box 870346 
Tuscaloosa, AL 36587 
Office 205-348-3758 | Fax 205-348-9393 
deborah.croc...@ua.edu


-Original Message-
From: William Brown  
Sent: Wednesday, June 10, 2020 6:56 PM
To: 389-users@lists.fedoraproject.org
Subject: [EXTERNAL] [389-users] Re: Re: Re: Re: new server setup hanging


> 
> We have a number of linux hosts authenticating to ldap. Some of them 
> using SSSD had "enumerate=true",

Yeah, you need to disable enumerate=true, because SSSD will do paged searches 
and that will get around some search limits that normally would block that.

As well, you probably should look at turning on "ignore_group_members=true", 
because if you don't have that set, then SSSD will enumerate your whole 
directory too. 

> which means they run a search for everything every five minutes. Just one of 
> those will tie up the host. The search is:
> filter="(&(objectClass=posixAccount)(uid=*)(uidNumber=*)(uaNetgroupLinuxGid=*))"
> only uaNetgroupLinuxGID is unindexed. Again, this causes no problem on our 
> existing setup.
> 

...

> 
> Thread 49 (Thread 0x7fce91cb8700 (LWP 2176)):
> #0  0x7fcf0b3929ff in comp_cmp (s1p=, 
> s2p=s2p@entry=0x55955e6fa140 "uaUDCid") at 
> ldap/servers/slapd/attr.c:88
> #1  0x7fcf0b392bc9 in slapi_attr_type_cmp 
> (a1=a1@entry=0x55945a2b7b90 "uaee121Shell", a2=0x55955e6fa140 
> "uaUDCid", opt=opt@entry=2) at ldap/servers/slapd/attr.c:122
> #2  0x7fcf0b3944ff in attrlist_find_ex (a=, 
> type=type@entry=0x55945a2b7b90 "uaee121Shell", 
> type_name_disposition=type_name_disposition@entry=0x0, 
> actual_type_name=actual_type_name@entry=0x0, 
> hint=hint@entry=0x7fce91cb2488) at ldap/servers/slapd/attrlist.c:176
> #3  0x7fcf0b3b7211 in test_presence_filter (pb=pb@entry=0x0, 
> e=e@entry=0x55955e6ee300, type=0x55945a2b7b90 "uaee121Shell", 
> verify_access=verify_access@entry=0, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb25c0) at 
> ldap/servers/slapd/filterentry.c:355
> #4  0x7fcf0b42997e in vattr_test_filter (pb=pb@entry=0x0, 
> e=e@entry=0x55955e6ee300, f=f@entry=0x55947509ab80, 
> filter_type=FILTER_TYPE_PRES, type=) at 
> ldap/servers/slapd/vattr.c:753
> #5  0x7fcf0b3b6ec4 in slapi_vattr_filter_test_ext_internal 
> (pb=pb@entry=0x0, e=0x55955e6ee300, f=0x55947509ab80, 
> verify_access=verify_access@entry=0, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb2684) at 
> ldap/servers/slapd/filterentry.c:823
> #6  0x7fcf0b3b7ba6 in slapi_vattr_filter_test_ext 
> (pb=pb@entry=0x0, e=, f=, 
> verify_access=verify_access@entry=0, 
> only_check_access=only_check_access@entry=0) at 
> ldap/servers/slapd/filterentry.c:771
> #7  0x7fcf0b3b7bf8 in slapi_vattr_filter_test (pb=pb@entry=0x0, 
> e=, f=, 
> verify_access=verify_access@entry=0) at 
> ldap/servers/slapd/filterentry.c:715
> #8  0x7fcf01599e02 in acl__resource_match_aci 
> (aclpb=aclpb@entry=0x559474f16000, aci=aci@entry=0x55947509a880, 
> skip_attrEval=skip_attrEval@entry=0, 
> a_matched=a_matched@entry=0x7fce91cb2bd0) at 
> ldap/servers/plugins/acl/acl.c:2422
> #9  0x7fcf0159b280 in acl__scan_for_acis (err=, 
> aclpb=0x559474f16000) at ldap/servers/plugins/acl/acl.c:1974
> #10 0x7fcf0159b280 in acl_access_allowed (pb=, 
> e=e@entry=0x55955e6ee300, attr=attr@entry=0x5595925e2ea0 "uid", 
> val=, access=access@entry=2) at 
> ldap/servers/plugins/acl/acl.c:568
> #11 0x7fcf015ae9f7 in acl_access_allowed_main (pb=, 
> e=0x55955e6ee300, attrs=, val=, 
> access=2, flags=, errbuf=0x0) at 
> ldap/servers/plugins/acl/aclplugin.c:371
> #12 0x7fcf0b3f0cbc in plugin_call_acl_plugin 
> (pb=pb@entry=0x559475874000, e=e@entry=0x55955e6ee300, 
> attrs=attrs@entry=0x7fce91cb2d10, val=val@entry=0x0, 
> access=access@entry=2, flags=flags@entry=0, errbuf=errbuf@entry=0x0) 
> at ldap/servers/slapd/plugin_acl.c:62
> #13 0x7fcf0b3b638d in test_filter_access 
> (pb=pb@entry=0x559475874000, e=e@entry=0x55955e6ee300, 
> attr_type=, attr_val=attr_val@entry=0x0) at 
> ldap/servers/slapd/filterentry.c:956
> #14 0x7fcf0b3b7082 in slapi_vattr_filter_test_ext_internal 
> (pb=pb@entry=0x559475874000, e=e@entry=0x55955e6ee300, 
> f=f@entry=0x559475f39000, verify_access=verify_access@entry=1, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb2de4) at 
> ldap/servers/slapd/filterentry.c:855
> #15 0x7fcf0b3b6d31 in vattr_test_filter_list_and (ftype=160, 
> access_check_done=0x7fce91cb2de4, only_check_access=0, 
> verify_access=1, flist=, e=0x55955e6ee300, 
> pb=0x559475874000) at 

Re: DNF Update this morning -

2020-06-11 Thread Jonathan Billings
On Thu, Jun 11, 2020 at 10:27:14AM -0600, Jerry James wrote:
>
> On Thu, Jun 11, 2020 at 10:08 AM Bob Goodwin  wrote:
> > No, not that I can see.
> >
> > [bobg@Workstation-1 ~]$ sudo rpm --rebuilddb
> > [sudo] password for bobg:password
> > [bobg@Workstation-1 ~]$
> >
> > Strange, no indication of any action at all?
> 
> Sorry, I wasn't paying attention.  The error is on a dnf database, not
> an rpm database.  See if this sounds like your case:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1669824
> 
> The database dump and restore described there might help you.

I'd be interested in seeing the output of:


echo 'PRAGMA integrity_check;' | sudo sqlite3 /var/lib/dnf/history.sqlite

It should just return:

ok

-- 
Jonathan Billings 
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Re: No DNF updating again today -

2020-06-11 Thread Samuel Sieb

On 6/11/20 4:50 AM, Bob Goodwin wrote:
Error: SQLite error on "/var/lib/dnf/history.sqlite": Reading a row 
failed: database disk image is malformed


Somehow your dnf history database is corrupted.  The easy fix is to 
delete it or move it somewhere else.  Otherwise you could try to find an 
sqlite database fixer.

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[389-users] Re: [EXTERNAL] Re: Re: Re: new server setup hanging

2020-06-11 Thread William Brown

> 
> We have a number of linux hosts authenticating to ldap. Some of them using 
> SSSD had "enumerate=true",

Yeah, you need to disable enumerate=true, because SSSD will do paged searches 
and that will get around some search limits that normally would block that.

As well, you probably should look at turning on "ignore_group_members=true", 
because if you don't have that set, then SSSD will enumerate your whole 
directory too. 

> which means they run a search for everything every five minutes. Just one of 
> those will tie up the host. The search is:
> filter="(&(objectClass=posixAccount)(uid=*)(uidNumber=*)(uaNetgroupLinuxGid=*))"
> only uaNetgroupLinuxGID is unindexed. Again, this causes no problem on our 
> existing setup.
> 

...

> 
> Thread 49 (Thread 0x7fce91cb8700 (LWP 2176)):
> #0  0x7fcf0b3929ff in comp_cmp (s1p=, 
> s2p=s2p@entry=0x55955e6fa140 "uaUDCid") at ldap/servers/slapd/attr.c:88
> #1  0x7fcf0b392bc9 in slapi_attr_type_cmp (a1=a1@entry=0x55945a2b7b90 
> "uaee121Shell", a2=0x55955e6fa140 "uaUDCid", opt=opt@entry=2) at 
> ldap/servers/slapd/attr.c:122
> #2  0x7fcf0b3944ff in attrlist_find_ex (a=, 
> type=type@entry=0x55945a2b7b90 "uaee121Shell", 
> type_name_disposition=type_name_disposition@entry=0x0, 
> actual_type_name=actual_type_name@entry=0x0, hint=hint@entry=0x7fce91cb2488) 
> at ldap/servers/slapd/attrlist.c:176
> #3  0x7fcf0b3b7211 in test_presence_filter (pb=pb@entry=0x0, 
> e=e@entry=0x55955e6ee300, type=0x55945a2b7b90 "uaee121Shell", 
> verify_access=verify_access@entry=0, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb25c0) at 
> ldap/servers/slapd/filterentry.c:355
> #4  0x7fcf0b42997e in vattr_test_filter (pb=pb@entry=0x0, 
> e=e@entry=0x55955e6ee300, f=f@entry=0x55947509ab80, 
> filter_type=FILTER_TYPE_PRES, type=) at 
> ldap/servers/slapd/vattr.c:753
> #5  0x7fcf0b3b6ec4 in slapi_vattr_filter_test_ext_internal 
> (pb=pb@entry=0x0, e=0x55955e6ee300, f=0x55947509ab80, 
> verify_access=verify_access@entry=0, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb2684) at 
> ldap/servers/slapd/filterentry.c:823
> #6  0x7fcf0b3b7ba6 in slapi_vattr_filter_test_ext (pb=pb@entry=0x0, 
> e=, f=, verify_access=verify_access@entry=0, 
> only_check_access=only_check_access@entry=0) at 
> ldap/servers/slapd/filterentry.c:771
> #7  0x7fcf0b3b7bf8 in slapi_vattr_filter_test (pb=pb@entry=0x0, 
> e=, f=, verify_access=verify_access@entry=0) at 
> ldap/servers/slapd/filterentry.c:715
> #8  0x7fcf01599e02 in acl__resource_match_aci 
> (aclpb=aclpb@entry=0x559474f16000, aci=aci@entry=0x55947509a880, 
> skip_attrEval=skip_attrEval@entry=0, 
> a_matched=a_matched@entry=0x7fce91cb2bd0) at 
> ldap/servers/plugins/acl/acl.c:2422
> #9  0x7fcf0159b280 in acl__scan_for_acis (err=, 
> aclpb=0x559474f16000) at ldap/servers/plugins/acl/acl.c:1974
> #10 0x7fcf0159b280 in acl_access_allowed (pb=, 
> e=e@entry=0x55955e6ee300, attr=attr@entry=0x5595925e2ea0 "uid", 
> val=, access=access@entry=2) at 
> ldap/servers/plugins/acl/acl.c:568
> #11 0x7fcf015ae9f7 in acl_access_allowed_main (pb=, 
> e=0x55955e6ee300, attrs=, val=, access=2, 
> flags=, errbuf=0x0) at ldap/servers/plugins/acl/aclplugin.c:371
> #12 0x7fcf0b3f0cbc in plugin_call_acl_plugin (pb=pb@entry=0x559475874000, 
> e=e@entry=0x55955e6ee300, attrs=attrs@entry=0x7fce91cb2d10, 
> val=val@entry=0x0, access=access@entry=2, flags=flags@entry=0, 
> errbuf=errbuf@entry=0x0) at ldap/servers/slapd/plugin_acl.c:62
> #13 0x7fcf0b3b638d in test_filter_access (pb=pb@entry=0x559475874000, 
> e=e@entry=0x55955e6ee300, attr_type=, 
> attr_val=attr_val@entry=0x0) at ldap/servers/slapd/filterentry.c:956
> #14 0x7fcf0b3b7082 in slapi_vattr_filter_test_ext_internal 
> (pb=pb@entry=0x559475874000, e=e@entry=0x55955e6ee300, 
> f=f@entry=0x559475f39000, verify_access=verify_access@entry=1, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb2de4) at 
> ldap/servers/slapd/filterentry.c:855
> #15 0x7fcf0b3b6d31 in vattr_test_filter_list_and (ftype=160, 
> access_check_done=0x7fce91cb2de4, only_check_access=0, verify_access=1, 
> flist=, e=0x55955e6ee300, pb=0x559475874000) at 
> ldap/servers/slapd/filterentry.c:980
> #16 0x7fcf0b3b6d31 in slapi_vattr_filter_test_ext_internal 
> (pb=pb@entry=0x559475874000, e=0x55955e6ee300, f=, 
> verify_access=verify_access@entry=1, 
> only_check_access=only_check_access@entry=0, 
> access_check_done=access_check_done@entry=0x7fce91cb2de4) at 
> ldap/servers/slapd/filterentry.c:885
> #17 0x7fcf0b3b7ba6 in slapi_vattr_filter_test_ext 
> (pb=pb@entry=0x559475874000, e=, f=, 
> verify_access=verify_access@entry=1, 
> only_check_access=only_check_access@entry=0) at 
> ldap/servers/slapd/filterentry.c:771
> #18 0x7fcf0b3b7bf8 in slapi_vattr_filter_test 
> (pb=pb@entry=0x559475874000, e=, f=, 
> 

Re: How do I change the grub kernel boot parameters in F32 ?

2020-06-11 Thread R. G. Newbury

On 2020-06-09 8:11 p.m.Stephen Morris wrote

if in /etc/default/grub you have the entry GRUB_ENABLE_BLSCFG=true
that inserts a line into the grub processes to use the new BLS standard,=20
in which case grub2-mkconfig and possibly grubby do nothing until that=20
entry is set to false. I have always use grub2-mkconfig because I have=20
never liked what grubby generated, and what BLS generates appears to be=20
the same as what grubby does, and I found that I had to set that entry=20
to false for grub2-mkconfig to continue to work.


THANKS FOR THAT, Steve!

I could not get grub2-mkconfig to actually change the grub.cfg file. Now 
I know why ( but not why such a dangerously misdescriptive switch would 
be hidden away in a default file).
In the past I would just edit the damn file, but the new motherboard 
uses EFI, and such hands-on fixing might lead to an undesired result!


Geoff
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Re: DNF Update this morning -

2020-06-11 Thread Jerry James
On Thu, Jun 11, 2020 at 10:08 AM Bob Goodwin  wrote:
> No, not that I can see.
>
> [bobg@Workstation-1 ~]$ sudo rpm --rebuilddb
> [sudo] password for bobg:password
> [bobg@Workstation-1 ~]$
>
> Strange, no indication of any action at all?

Sorry, I wasn't paying attention.  The error is on a dnf database, not
an rpm database.  See if this sounds like your case:

https://bugzilla.redhat.com/show_bug.cgi?id=1669824

The database dump and restore described there might help you.
-- 
Jerry James
http://www.jamezone.org/
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Re: DNF Update this morning -

2020-06-11 Thread Bob Goodwin



On 2020-06-11 10:46, Jerry James wrote:

On Wed, Jun 10, 2020 at 4:44 AM Bob Goodwin  wrote:

DNF failed first try, I ran clean metadata and re-tried, got same result:

Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
The downloaded packages were saved in cache until the next successful
transaction.
You can remove cached packages by executing 'dnf clean packages'.
Error: SQLite error on "/var/lib/dnf/history.sqlite": Reading a row
failed: database disk image is malformed

I have no idea why this happening, have done nothing unusual? *Bob*

Does running "sudo rpm --rebuilddb" get you back to a good state?

°
No, not that I can see.

[bobg@Workstation-1 ~]$ sudo rpm --rebuilddb
[sudo] password for bobg:password
[bobg@Workstation-1 ~]$

Strange, no indication of any action at all?

--
Bob Goodwin - Zuni, Virginia, USA
http://www.qrz.com/db/W2BOD
FEDORA-32/64bit LINUX XFCE Fastmail POP3
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Re: How to install Wifi firmware so it's not overwritten?

2020-06-11 Thread Samuel Sieb

On 6/10/20 7:54 AM, Richard Shaw wrote:
So one thing I am wondering is what is the naming convention for these 
files? Could I just save it as board-2.bin and it work? Is there some 
sort of search hiearchy?


That is up to the kernel driver.  Most have only one specific filename 
they're looking for.

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Re: How to install Wifi firmware so it's not overwritten?

2020-06-11 Thread Richard Shaw
On Wed, Jun 10, 2020 at 11:27 AM George N. White III 
wrote:

> On Wed, 10 Jun 2020 at 11:55, Richard Shaw  wrote:
>
>> So the short version...
>>
>> The current linux firmware package doesn't work with the Wifi on the MS
>> Surface GO, and the instructions to copy the downloaded board.bin and copy
>> over firmware-4.bin were incorrect. It actually saw the Wifi adapter after
>> I did that and it tried scanning for wireless networks but never got any
>> further.
>>
>> Since the Killerwifi board.bin and the linux firmware board.bin were the
>> exact same size (whereas the firmware files were orders of magnitude
>> larger), I tried replacing board.bin instead and can report after rebooting
>> that the Wifi now works.
>>
>
> Did you try a newer file from the githhub link?  Are there any license
> restrictions on Killerwifi's board.bin that prevent you from sending the
> link to the upstream URL I posted.
>

Not yet but I can. No clue on the license. Killerwifi provides a direct
link to the board.bin file.

Thanks,
Richard
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No DNF updating again today -

2020-06-11 Thread Bob Goodwin
It looks like my best hope is for FC33beta to arrive soon, need to check 
on that.


Today I tried "clean all" still the same error message. The only thing 
that comes to mind is that I added SeaMonkey  via dnf. I would not 
expect a problem due to that, but maybe? It is more reliable for opening 
a web page I visit often.


Any suggestions how to fix appreciated,    Bob

---
Total 4.8 MB/s | 130 MB 00:27
Delta RPMs reduced 132.2 MB of updates to 129.9 MB (1.1% saved)
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
The downloaded packages were saved in cache until the next successful 
transaction.

You can remove cached packages by executing 'dnf clean packages'.
Error: SQLite error on "/var/lib/dnf/history.sqlite": Reading a row 
failed: database disk image is malformed


--
Bob Goodwin - Zuni, Virginia, USA
http://www.qrz.com/db/W2BOD
FEDORA-32/64bit LINUX XFCE Fastmail POP3
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Re: DMESG Output Indicating Potential CPU Errors?

2020-06-11 Thread Gordon Messmer

On 6/10/20 9:36 AM, Patrick O'Callaghan wrote:

On 6/10/20 2:56 AM, Patrick O'Callaghan wrote:

In KVM/QEMU you can also pin specific cores to your VM to prevent
competition between the host and guest (mainly by avoiding cache
pollution as I understand it).

https://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-4-our-first.html

(search for vcpupin partway down the page). This doesn't relate to NUMA
systems but to cache efficiency (also mentioned in your second
reference), though it may be a matter of terminology. Perhaps I should
have said "avoid" or "mitigate" rather than "prevent".



I don't see anything there that suggests that CPU affinity is related to 
competition between the host and the guest.


Setting CPU affinity correctly does improve cache use, and reduces the 
frequency of a guest running on a CPU with a different path to memory 
pages on NUMA systems, but scheduling the guest still requires that the 
CPUs are available for scheduling.  As guests are assigned more cores 
(both when they're assigned all or nearly all of the system cores, or 
when multiple guests are assigned a number of cores collectively greater 
than the system total), you'll often see longer times between the guest 
being scheduled to run (that is, greater CPU steal time).  I still don't 
know if that's the issue that is the subject of this thread, but that's 
my suspicion.

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Re: DNF Update this morning -

2020-06-11 Thread Jerry James
On Wed, Jun 10, 2020 at 4:44 AM Bob Goodwin  wrote:
> DNF failed first try, I ran clean metadata and re-tried, got same result:
>
> Running transaction check
> Transaction check succeeded.
> Running transaction test
> Transaction test succeeded.
> Running transaction
> The downloaded packages were saved in cache until the next successful
> transaction.
> You can remove cached packages by executing 'dnf clean packages'.
> Error: SQLite error on "/var/lib/dnf/history.sqlite": Reading a row
> failed: database disk image is malformed
>
> I have no idea why this happening, have done nothing unusual? *Bob*

Does running "sudo rpm --rebuilddb" get you back to a good state?
-- 
Jerry James
http://www.jamezone.org/
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