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Debian Bullseye Very Slow To Load Dophin

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debian_wifi_user
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Debian Bullseye Very Slow To Load Dophin

#1 Post by debian_wifi_user »

I just upgraded to Bullseye and am finding that whenever I load Dolphin there is a 25 second delay before a window appears.

No other applications have this problem.

Dolphin did not have this problem for me with Buster.

Running Konqueror and navigating to my home directory does not have this problem.

Any ideas what is going on or how to diagnose?

Thanks.

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Re: Debian Bullseye Very Slow To Load Dophin

#2 Post by Aki »

Hello,
Create a new test user account and check if dolphin’s speed is normal with it. If yes, there’s probably something retained from your previous configuration that affects dolphin.
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Re: Debian Bullseye Very Slow To Load Dophin

#3 Post by Hallvor »

Launch dolphin from the command line interface to see what's going on

Code: Select all

$ dolphin %u
[HowTo] Install and configure Debian bookworm
Debian 12 | KDE Plasma | ThinkPad T440s | 4 × Intel® Core™ i7-4600U CPU @ 2.10GHz | 12 GiB RAM | Mesa Intel® HD Graphics 4400 | 1 TB SSD

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Re: Debian Bullseye Very Slow To Load Dophin

#4 Post by debian_wifi_user »

Aki wrote: 2021-10-04 05:34 Hello,
Create a new test user account and check if dolphin’s speed is normal with it. If yes, there’s probably something retained from your previous configuration that affects dolphin.
Hi, I created a new user and the delay problem existed there as well.

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Re: Debian Bullseye Very Slow To Load Dophin

#5 Post by debian_wifi_user »

Hallvor wrote: 2021-10-04 06:57 Launch dolphin from the command line interface to see what's going on

Code: Select all

$ dolphin %u
Nothing appears until the Dolphin window appears and I see this:

Code: Select all

QObject::connect: No such signal QDBusAbstractInterface::DeviceAdded(QString)
QObject::connect: No such signal QDBusAbstractInterface::DeviceRemoved(QString)

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Re: Debian Bullseye Very Slow To Load Dophin

#6 Post by debian_wifi_user »

When I run Dolphin with strace, I get this output and the delay that Dolphin experiences occurs on the last line:

Code: Select all

[b]futex(0x7f2aa4a90900, FUTEX_WAKE_PRIVATE, 2147483647) = 0
[/b]setsockopt(14, SOL_SOCKET, SO_ATTACH_FILTER, {len=29, filter=0x7fffb9e00400}, 16) = 0
setsockopt(14, SOL_SOCKET, SO_PASSCRED, [1], 4) = 0
bind(14, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=0x000002}, 12) = 0
getsockname(14, {sa_family=AF_NETLINK, nl_pid=6149, nl_groups=0x000002}, [12]) = 0
write(5, "\1\0\0\0\0\0\0\0", 8)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
futex(0x7fffb9e01320, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
write(5, "\1\0\0\0\0\0\0\0", 8)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
futex(0x7fffb9e01150, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
futex(0x556b6e871e90, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x556b6e871e40, FUTEX_WAKE_PRIVATE, 1) = 0
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
futex(0x7fffb9e00fd0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
futex(0x7fffb9e00fd0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
futex(0x556b6e871e20, FUTEX_WAIT_PRIVATE, 0, NULL

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Re: Debian Bullseye Very Slow To Load Dophin

#7 Post by debian_wifi_user »

Konqueror loads instantly by the way.

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Re: Debian Bullseye Very Slow To Load Dophin

#8 Post by NFT5 »

Try this:

Turn off computer and disconnect ALL USB devices except for mouse and keyboard.
If you have multiple screens, disconnect the extras.
Restart and run through System Setup, save and Exit and allow to restart.

I was having identical problems and tried the same things, to no avail. But the problem wasn't at the app level.

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Re: Debian Bullseye Very Slow To Load Dophin

#9 Post by debian_wifi_user »

NFT5 wrote: 2021-10-16 09:17 Try this:

Turn off computer and disconnect ALL USB devices except for mouse and keyboard.
If you have multiple screens, disconnect the extras.
Restart and run through System Setup, save and Exit and allow to restart.

I was having identical problems and tried the same things, to no avail. But the problem wasn't at the app level.
What do you mean by "System Setup"?

Do you mean reinstall Debian?

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Re: Debian Bullseye Very Slow To Load Dophin

#10 Post by NFT5 »

Should be no need to re-install.

By "System Setup" I mean the BIOS setup, usually accessible by pressing Delete key repeatedly when the POST screen appears as your computer is first starting. Doing this allows the BIOS to read the drives that are actually attached, rather than work on a previous, saved configuration. Saving the new readings makes the updated information available to your operating system, i.e. Debian.

Not 100% sure but it seems to have something to do with how Dolphin reads the available connections. Dolphin has some weirdnesses too with reading the network - have to open first then go back to the previous screen before it becomes visible. Caja and other file managers I've used don't do it (either problem) and I didn't have the issue in Stretch or previous editions. But I do like Plasma and Dolphin otherwise and this is an easy fix.

Happens to me from time to time since I often leave an external USB backup drive attached/plugged in.

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Re: Debian Bullseye Very Slow To Load Dophin

#11 Post by FreewheelinFrank »

In Bullseye the SMB1 protocol is disabled by default. Is it possible that you have

AutoMount=true in /usr/share/gvfs/mounts

and something on the network that still uses SMB1? Could be just USB storage plugged into the router.

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Re: Debian Bullseye Very Slow To Load Dophin

#12 Post by debian_wifi_user »

NFT5 wrote: 2021-10-31 23:10 Should be no need to re-install.

By "System Setup" I mean the BIOS setup, usually accessible by pressing Delete key repeatedly when the POST screen appears as your computer is first starting. Doing this allows the BIOS to read the drives that are actually attached, rather than work on a previous, saved configuration. Saving the new readings makes the updated information available to your operating system, i.e. Debian.

Not 100% sure but it seems to have something to do with how Dolphin reads the available connections. Dolphin has some weirdnesses too with reading the network - have to open first then go back to the previous screen before it becomes visible. Caja and other file managers I've used don't do it (either problem) and I didn't have the issue in Stretch or previous editions. But I do like Plasma and Dolphin otherwise and this is an easy fix.

Happens to me from time to time since I often leave an external USB backup drive attached/plugged in.
Thanks for the suggestion. I just tried it but no change to the large delay.

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Re: Debian Bullseye Very Slow To Load Dophin

#13 Post by debian_wifi_user »

FreewheelinFrank wrote: 2021-11-01 06:34 In Bullseye the SMB1 protocol is disabled by default. Is it possible that you have

AutoMount=true in /usr/share/gvfs/mounts

and something on the network that still uses SMB1? Could be just USB storage plugged into the router.
I have these if it means anything to you. Cheers.

Code: Select all

# ls /usr/share/gvfs/mounts
burn.mount  computer.mount  localtest.mount  trash.mount

# cat /usr/share/gvfs/mounts/*
[Mount]
Type=burn
Exec=/usr/libexec/gvfsd-burn
AutoMount=true

[Mount]
Type=computer
Exec=/usr/libexec/gvfsd-computer
AutoMount=true

[Mount]
Type=localtest
Exec=/usr/libexec/gvfsd-localtest
AutoMount=false
[Mount]
Type=trash
Exec=/usr/libexec/gvfsd-trash
AutoMount=true

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Re: Debian Bullseye Very Slow To Load Dophin

#14 Post by FreewheelinFrank »

Well I'm not an expert on networking, but I believe gvfs is a virtual file system, and if there is a NFS or Windows file share using the disabled SMB1 protocol on the network, it can cause file managers to be slow to load. There is nothing related to network or smb, so that's probably not the issue.

gvfs will try to automount any storage connected to the computer, I think.

Maybe you have a storage device that is failing? Just a guess. Additional internal hard drive? External HD? If there is anything like that, run a disk check.

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Re: Debian Bullseye Very Slow To Load Dophin

#15 Post by debian_wifi_user »

FreewheelinFrank wrote: 2021-11-12 10:04 Well I'm not an expert on networking, but I believe gvfs is a virtual file system, and if there is a NFS or Windows file share using the disabled SMB1 protocol on the network, it can cause file managers to be slow to load. There is nothing related to network or smb, so that's probably not the issue.

gvfs will try to automount any storage connected to the computer, I think.

Maybe you have a storage device that is failing? Just a guess. Additional internal hard drive? External HD? If there is anything like that, run a disk check.
Nothing seems to be failing. I have given up on this problem and have learnt to just be patient. :-/

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