linux-ext4 - [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

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Date:   Wed, 04 Oct 2023 17:23:03 +0000
From:   bugzilla-daemon@...nel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

https://bugzilla.kernel.org/show_bug.cgi?id=217965

--- Comment #11 from Ivan Ivanich (iivanich@...il.com) ---
Hi Ojaswin,

Tried it but unfortunately it gives me nothing useful

[  619.894677] RIP: 0010:mb_find_order_for_block+0x50/0xa0

./scripts/faddr2line vmlinux mb_find_order_for_block+0x50
mb_find_order_for_block+0x50/0xa0:
fs mm ??:0

All required kernel options is enabled
zcat /proc/config.gz |grep -i
'CONFIG_DEBUG_INFO\|CONFIG_SOFTLOCKUP_DETECTOR\|CONFIG_HARDLOCKUP_DETECTOR'|grep
-v '#'
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_INFO_COMPRESSED_NONE=y
CONFIG_SOFTLOCKUP_DETECTOR=y
CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_HARDLOCKUP_DETECTOR_PERF=y
CONFIG_HARDLOCKUP_DETECTOR_COUNTS_HRTIMER=y

>Also, you mentioned that the CPU gets stuck at 100% util for 10-15mins, does
>it ever come back to normal or does it stay stuck? 

Yes, it comes back to normal after quite some time.

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