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pegu
n00b
Joined: 19 Sep 2003
Posts: 51
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 Posted: Sun Sep 22, 2024 7:53 am Post subject: md file system slow: kworker/u16:0+flush-252:4 |
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I'm installing Altera Quartus, which I have done several times before on this system. But what used to take 15-20 minutes now takes a week.
It happens with the text based installer and the GUI installer. The only process I see running at 100% during this time is:
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
29359 root 20 0 0 0 0 R 100.0 0.0 433:13.54 kworker/u16:0+flush-252:4
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The load is not very high either and the response while running interactive tasks is just fine.
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05:10:40 up 109 days, 7:39, 2 users, load average: 2.85, 2.77, 2.81
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There are no errors in the kernel log and /proc/mdadm. I have installed the same package on other distros without problems so I don't think the problem is the Quartus installer.
The kernel version is 6.6.13-gentoo.
Update: It's not related to the Quartus installer as it takes more than two minutes to copy a 2.4M PDF file:
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$ time cp /tmp/time-series-forcasting-10324313.pdf ./documentation/math
real 2m7.088s
user 0m0.000s
sys 0m0.032s
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Any ideas as of what is causing this behavior and how to fix it? |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54543
Location: 56N 3W
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| Posted: Sun Sep 22, 2024 12:22 pm Post subject: |
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Tell us how the raid set is construced and on what drives.
it sounds like a drive issue that the kernel is managing to hide meanwhile, rather than kick a member out of the raid set.
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Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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Kernel & Hardware
