https://bugzilla.kernel.org/show_bug.cgi?id=216007 --- Comment #13 from Peter Pavlisko (bugzkernelorg8392@xxxxxxxxx) --- (In reply to Dave Chinner from comment #5) > Doesn't tell us a whole lot except for "no free memory to allocate > without reclaim". /proc/meminfo, /proc/vmstat and /proc/slabinfo > would tell us a lot more. Notice: all values in this comment are from the kernel version 5.13.0-rc2+, commit c9fa563072e1, recorded at the time of the endless iowait > /proc/meminfo MemTotal: 3996092 kB MemFree: 42176 kB MemAvailable: 3668964 kB Buffers: 15684 kB Cached: 3400932 kB SwapCached: 0 kB Active: 58840 kB Inactive: 3405468 kB Active(anon): 268 kB Inactive(anon): 47836 kB Active(file): 58572 kB Inactive(file): 3357632 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 2097084 kB SwapFree: 2097084 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 47700 kB Mapped: 19504 kB Shmem: 412 kB KReclaimable: 266460 kB Slab: 404388 kB SReclaimable: 266460 kB SUnreclaim: 137928 kB KernelStack: 1904 kB PageTables: 1672 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 4095128 kB Committed_AS: 117700 kB VmallocTotal: 34359738367 kB VmallocUsed: 2732 kB VmallocChunk: 0 kB Percpu: 896 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB Hugetlb: 0 kB DirectMap4k: 20364 kB DirectMap2M: 4139008 kB > /proc/vmstat nr_free_pages 10607 nr_zone_inactive_anon 11978 nr_zone_active_anon 67 nr_zone_inactive_file 839409 nr_zone_active_file 14643 nr_zone_unevictable 0 nr_zone_write_pending 0 nr_mlock 0 nr_bounce 0 nr_free_cma 0 nr_inactive_anon 11978 nr_active_anon 67 nr_inactive_file 839409 nr_active_file 14643 nr_unevictable 0 nr_slab_reclaimable 66615 nr_slab_unreclaimable 34482 nr_isolated_anon 0 nr_isolated_file 0 workingset_nodes 130210 workingset_refault_anon 0 workingset_refault_file 1345 workingset_activate_anon 0 workingset_activate_file 24 workingset_restore_anon 0 workingset_restore_file 0 workingset_nodereclaim 208053 nr_anon_pages 11931 nr_mapped 4876 nr_file_pages 854155 nr_dirty 0 nr_writeback 0 nr_writeback_temp 0 nr_shmem 103 nr_shmem_hugepages 0 nr_shmem_pmdmapped 0 nr_file_hugepages 0 nr_file_pmdmapped 0 nr_anon_transparent_hugepages 0 nr_vmscan_write 0 nr_vmscan_immediate_reclaim 8243 nr_dirtied 9075788 nr_written 9075787 nr_kernel_misc_reclaimable 0 nr_foll_pin_acquired 0 nr_foll_pin_released 0 nr_kernel_stack 1904 nr_page_table_pages 418 nr_swapcached 0 nr_dirty_threshold 171292 nr_dirty_background_threshold 85541 pgpgin 36279336 pgpgout 36908703 pswpin 0 pswpout 0 pgalloc_dma 1473 pgalloc_dma32 18299092 pgalloc_normal 325690 pgalloc_movable 0 allocstall_dma 0 allocstall_dma32 0 allocstall_normal 0 allocstall_movable 5 pgskip_dma 0 pgskip_dma32 0 pgskip_normal 35 pgskip_movable 0 pgfree 18637453 pgactivate 20445 pgdeactivate 266 pglazyfree 0 pgfault 397160 pgmajfault 585 pglazyfreed 0 pgrefill 34 pgreuse 87282 pgsteal_kswapd 17283321 pgsteal_direct 1048 pgscan_kswapd 17292764 pgscan_direct 1048 pgscan_direct_throttle 0 pgscan_anon 13 pgscan_file 17293799 pgsteal_anon 0 pgsteal_file 17284369 pginodesteal 0 slabs_scanned 212096 kswapd_inodesteal 0 kswapd_low_wmark_hit_quickly 11222 kswapd_high_wmark_hit_quickly 48 pageoutrun 11290 pgrotated 8478 drop_pagecache 0 drop_slab 0 oom_kill 0 htlb_buddy_alloc_success 0 htlb_buddy_alloc_fail 0 unevictable_pgs_culled 0 unevictable_pgs_scanned 0 unevictable_pgs_rescued 0 unevictable_pgs_mlocked 0 unevictable_pgs_munlocked 0 unevictable_pgs_cleared 0 unevictable_pgs_stranded 0 swap_ra 0 swap_ra_hit 0 direct_map_level2_splits 1 direct_map_level3_splits 0 nr_unstable 0 > /proc/slabinfo too big, I will upload it as an attachment > Also, knowing if you've tweaked things like dirty ratios, etc would > also be helpful... I didn't tweak any sysctl value, but I can't say if the defaults in Gentoo are the same as in other linux flavors -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
