* panic for md ddf (14disks/raid6) on kernel 6.6.161 but not on kernel 6.12.115
@ 2026-11-09 0:07 Wang Yugui
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From: Wang Yugui @ 2026-11-09 0:07 UTC (permalink / raw)
To: linux-raid; +Cc: wangyugui
Hi,
I noticed a panic for md ddf(14disks/raid6) on kernel 6.6.161,
but not happen on kernel 6.12.115.
Call Trace:
<TASK>
percpu_ref_kill_and_confirm+0x39/0xc0
__mddev_suspend+0x5c/0x1e0
? __kmem_cache_alloc_node+0x1bb/0x320
? _kstrtoull+0x3b/0x90
raid_disks_store+0x4a/0x190
md_attr_store+0x84/0x100
kernfs_fop_write_iter+0x13b/0x1d0
vfs_write+0x2bf/0x3e0
ksys_write+0x63/0xe0
do_syscall_64+0x62/0x90
Do we need some backuport for kernel 6.6.y?
any advice please.
Best Regards
Wang Yugui (wangyugui@e16-tech.com)
2026/11/09
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2026-11-09 0:07 panic for md ddf (14disks/raid6) on kernel 6.6.161 but not on kernel 6.12.115 Wang Yugui
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