Re: [f2fs-dev] Kernel warnings 6.3.1

[Jaegeuk Kim <jaegeuk@kernel.org>]

Hi,

Could you please consider v6.3.3 which has some fixes?

Thanks,

On 05/12, Richard Tresidder via Linux-f2fs-devel wrote:
> Hi
>    We're upgrading our systems from using a 5.1.7 based kernel to a 6.3.1
> based kernel.
> I'm experiencing some warnings popping out occasionally from the f2fs driver
> 
> ****************************************************************************************
> [  137.225376] WARNING: CPU: 0 PID: 32 at fs/f2fs/extent_cache.c:755
> __update_extent_tree_range+0x424/0x760
> ****************************************************************************************
> 
> and a trace:
> ****************************************************************************************
> [  460.206016] ------------[ cut here ]------------
> [  460.208340] WARNING: CPU: 0 PID: 154 at fs/f2fs/extent_cache.c:755
> __update_extent_tree_range+0x424/0x760
> [  460.213183] Modules linked in:
> [  460.213200] CPU: 0 PID: 154 Comm: kworker/u4:5 Tainted: G       
> W          6.3.1-00256-g60164498d86b-dirty #7
> [  460.213216] Hardware name: Altera SOCFPGA
> [  460.213226] Workqueue: writeback wb_workfn (flush-179:0)
> [  460.213271]  unwind_backtrace from show_stack+0x18/0x1c
> [  460.213306]  show_stack from dump_stack_lvl+0x40/0x4c
> [  460.213335]  dump_stack_lvl from __warn+0x84/0x15c
> [  460.213365]  __warn from warn_slowpath_fmt+0xc4/0x1c0
> [  460.213391]  warn_slowpath_fmt from
> __update_extent_tree_range+0x424/0x760
> [  460.213418]  __update_extent_tree_range from
> __update_extent_cache+0x244/0x444
> [  460.213440]  __update_extent_cache from
> f2fs_outplace_write_data+0x80/0xec
> [  460.213461]  f2fs_outplace_write_data from
> f2fs_do_write_data_page+0x4e4/0x700
> [  460.213487]  f2fs_do_write_data_page from
> f2fs_write_single_data_page+0x524/0x720
> [  460.213513]  f2fs_write_single_data_page from
> f2fs_write_cache_pages+0x24c/0x590
> [  460.213539]  f2fs_write_cache_pages from
> f2fs_write_data_pages+0x238/0x388
> [  460.213563]  f2fs_write_data_pages from do_writepages+0x80/0x1a4
> [  460.213597]  do_writepages from __writeback_single_inode+0x4c/0x4cc
> [  460.213629]  __writeback_single_inode from
> writeback_sb_inodes+0x1f8/0x4cc
> [  460.213658]  writeback_sb_inodes from __writeback_inodes_wb+0x40/0xe0
> [  460.213686]  __writeback_inodes_wb from wb_writeback+0x250/0x3ac
> [  460.213713]  wb_writeback from wb_workfn+0x2d4/0x5ac
> [  460.213741]  wb_workfn from process_one_work+0x1e0/0x51c
> [  460.213776]  process_one_work from worker_thread+0x60/0x518
> [  460.213806]  worker_thread from kthread+0xf4/0x124
> [  460.213836]  kthread from ret_from_fork+0x14/0x2c
> [  460.213856] Exception stack(0xf0cc5fb0 to 0xf0cc5ff8)
> [  460.213868] 5fa0:                                     00000000 00000000
> 00000000 00000000
> [  460.213879] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000
> [  460.213890] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [  460.213899] ---[ end trace 0000000000000000 ]---
> ****************************************************************************************
> 
> This is after performing a format on the device in system to make sure the
> filesystem was up to the same kernel revision.
> How concerned should we be?
> 
> Note prior to the format we were getting a LOT or errors, some like above
> and others with a different signature:
> 
> ****************************************************************************************
> [  167.675107] WARNING: CPU: 0 PID: 32 at fs/f2fs/extent_cache.c:248
> __insert_extent_tree+0x15c/0x174
> ****************************************************************************************
> 
> That one resulted in the entire system coming to a a halt..
> 
> Cheers
>    Richard T
> 
> 
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel


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