Unfortunately, an unacceptable side-effect of "sysctl -w
vm.dirty_ratio=0" is that disk operations that move a lot of data are
taking much too long. An rsync that normally takes less than an hour of
real time was still running over 12 hours later (and hasn't finished
yet). I'm reverting the vm.dir
If I do this:
# sysctl -w vm.dirty_ratio=0
the hdparm no longer hangs. It has to be zero; anything non-zero, even
1, causes large delays in disk-related commands such as hdparm, sync,
smartctl, etc.
I got this idea from here:
https://serverfault.com/questions/405210/can-high-load-cause-ser
I now have a Perl script running that is removing duplicate files by
doing thousands of hard links on a different external USB3 disk and it
is locking up or timing out many disk-related things on all my other
disks. Both this USB3 external drive and the one above are plugged
directly into the moth
** Description changed:
Description:Ubuntu 20.04.6 LTS
Linux 5.15.0-72-generic #79~20.04.1-Ubuntu SMP Thu Apr 20 22:12:07 UTC 2023
x86_64 GNU/Linux
Intel(R) Xeon(R) CPU E5-1620 v4 @ 3.50GHz
Running a "rm -r dir" on a directory with millions of files that resides
on a disk in an e
** Description changed:
Description:Ubuntu 20.04.6 LTS
Linux 5.15.0-72-generic #79~20.04.1-Ubuntu SMP Thu Apr 20 22:12:07 UTC 2023
x86_64 GNU/Linux
Intel(R) Xeon(R) CPU E5-1620 v4 @ 3.50GHz
Running a "rm -r dir" on a directory with millions of files that resides
on a disk in an e
Public bug reported:
Description:Ubuntu 20.04.6 LTS
Linux 5.15.0-72-generic #79~20.04.1-Ubuntu SMP Thu Apr 20 22:12:07 UTC 2023
x86_64 GNU/Linux
Intel(R) Xeon(R) CPU E5-1620 v4 @ 3.50GHz
Running a "rm -r dir" on a directory with millions of files that resides
on a disk in an external USB-3 h
Description:Ubuntu 20.04.4 LTS
Linux linux 5.13.0-35-generic #40~20.04.1-Ubuntu SMP Mon Mar 7 09:18:32 UTC
2022 x86_64 x86_64 x86_64 GNU/Linux
Mar 11 10:43:28 linux kernel: [1.578010] usb usb6: We don't know the
algorithms for LPM for this host, disabling LPM.
Mar 11 10:43:28 linux kerne
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327760/+files/UdevDb.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327758/+files/ProcModules.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327759/+files/PulseList.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327756/+files/ProcEnviron.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327757/+files/ProcInterrupts.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327749/+files/CRDA.txt
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Ti
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327751/+files/IwConfig.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327754/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327752/+files/Lspci.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327753/+files/Lsusb.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327750/+files/CurrentDmesg.txt
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** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327748/+files/AlsaInfo.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1586195/+attachment/5327755/+files/ProcCpuinfoMinimal.txt
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC0: idallen 30789 F pulseaudio
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2015-04-28 (1751 days ago)
Installa
USB 3 Gigabit Ethernet device (Realtek) disconnect/reconnect repeats
randomly.
$ lsb_release -a
[...]
Description:Ubuntu 18.04.4 LTS
$ uname -a
Linux linux 4.15.0-76-generic #86-Ubuntu SMP Fri Jan 17 17:24:28 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
$ lsusb
[...]
Bus 009 Device 003: ID 0bda:
The recent Ubuntu 15.04 kernel update to vmlinuz-3.19.0-37-generic installed
this same bug.
I had to reboot back to vmlinuz-3.19.0-33-generic to avoid the loop.
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*** This bug is a duplicate of bug 1514785 ***
https://bugs.launchpad.net/bugs/1514785
The recent Ubuntu 15.04 kernel update to vmlinuz-3.19.0-37-generic installed
this same bug.
I had to reboot back to vmlinuz-3.19.0-33-generic to avoid the loop.
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