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HC-1: replaced zram as swap with partition and got swap error

grep
in Odroid XU4

Featured Replies

Spoiler 

[58531.860637] lowmem_reserve[]: 0 0 0
[58531.860654] Normal: 56*4kB (H) 44*8kB (H) 48*16kB (H) 37*32kB (H) 14*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3552kB
[58531.860733] HighMem: 27*4kB (UM) 42*8kB (C) 1*16kB (C) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 460kB
[58531.860786] 304403 total pagecache pages
[58531.860790] 15267 pages in swap cache
[58531.860794] Swap cache stats: add 382457, delete 367190, find 125239/202183
[58531.860798] Free swap  = 1630472kB
[58531.860801] Total swap = 2097148kB
[58531.860805] 518656 pages RAM
[58531.860809] 322048 pages HighMem/MovableOnly
[58531.860813] 8201 pages reserved
[58531.860817] 32768 pages cma reserved
[58531.860825] swapper/7: page allocation failure: order:0, mode:0x2080020(GFP_ATOMIC)
[58531.860839] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.9.61-odroidxu4 #2
[58531.860844] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[58531.860852] [<c021b299>] (unwind_backtrace) from [<c021831f>] (show_stack+0xb/0xc)
[58531.860861] [<c021831f>] (show_stack) from [<c05765f7>] (dump_stack+0x67/0x74)
[58531.860869] [<c05765f7>] (dump_stack) from [<c02ae9af>] (warn_alloc+0xbf/0xdc)
[58531.860877] [<c02ae9af>] (warn_alloc) from [<c02aecc7>] (__alloc_pages_nodemask+0x29f/0x9cc)
[58531.860885] [<c02aecc7>] (__alloc_pages_nodemask) from [<c02af50d>] (__alloc_page_frag+0xcd/0xdc)
[58531.860893] [<c02af50d>] (__alloc_page_frag) from [<c07a6ca9>] (__napi_alloc_skb+0x71/0xb0)
[58531.860901] [<c07a6ca9>] (__napi_alloc_skb) from [<c067eb3f>] (r8152_poll+0x227/0xacc)
[58531.860909] [<c067eb3f>] (r8152_poll) from [<c07b0ee5>] (net_rx_action+0x1ad/0x234)
[58531.860916] [<c07b0ee5>] (net_rx_action) from [<c022d129>] (__do_softirq+0x9d/0x194)
[58531.860922] [<c022d129>] (__do_softirq) from [<c022d429>] (irq_exit+0x8d/0xdc)
[58531.860930] [<c022d429>] (irq_exit) from [<c025fb1f>] (__handle_domain_irq+0x3f/0x7c)
[58531.860936] [<c025fb1f>] (__handle_domain_irq) from [<c02013b7>] (gic_handle_irq+0x43/0x78)
[58531.860942] [<c02013b7>] (gic_handle_irq) from [<c0218bd3>] (__irq_svc+0x53/0x94)
[58531.860946] Exception stack(0xee8cbf88 to 0xee8cbfd0)
[58531.860951] bf80:                   00000001 00000000 00000000 c02240a1 ee8ca000 c100313c
[58531.860956] bfa0: 00000080 c1003190 00000000 00000000 c0e650b8 c1003198 c107f4e8 ee8cbfd8
[58531.860961] bfc0: c0216245 c0216246 40000033 ffffffff
[58531.860968] [<c0218bd3>] (__irq_svc) from [<c0216246>] (arch_cpu_idle+0x22/0x24)
[58531.860976] [<c0216246>] (arch_cpu_idle) from [<c0258997>] (cpu_startup_entry+0x123/0x170)
[58531.860982] [<c0258997>] (cpu_startup_entry) from [<40201491>] (0x40201491)
[58531.860986] Mem-Info:
[58531.860994] active_anon:76119 inactive_anon:82136 isolated_anon:0
                active_file:207652 inactive_file:81195 isolated_file:0
                unevictable:64 dirty:6436 writeback:15443 unstable:0
                slab_reclaimable:7317 slab_unreclaimable:13754
                mapped:3882 shmem:186 pagetables:1576 bounce:0
                free:997 free_pcp:544 free_cma:70
[58531.861003] Node 0 active_anon:304476kB inactive_anon:328544kB active_file:830608kB inactive_file:324780kB unevictable:256kB isolated(anon):0kB isolated(file):0kB mapped:15528kB dirty:25744kB writeback:61772kB shmem:744kB writeback_tmp:0kB unstable:0kB pages_scanned:3984 all_unreclaimable? no
[58531.861011] Normal free:3476kB min:3452kB low:4312kB high:5172kB active_anon:58072kB inactive_anon:89612kB active_file:239988kB inactive_file:143312kB unevictable:0kB writepending:87140kB present:786432kB managed:753628kB mlocked:0kB slab_reclaimable:29268kB slab_unreclaimable:55016kB kernel_stack:2416kB pagetables:2740kB bounce:0kB free_pcp:1908kB local_pcp:0kB free_cma:0kB
[58531.861015] lowmem_reserve[]: 0 9040 9040
[58531.861036] HighMem free:512kB min:512kB low:1848kB high:3184kB active_anon:246404kB inactive_anon:238932kB active_file:590684kB inactive_file:181680kB unevictable:256kB writepending:388kB present:1288192kB managed:1288192kB mlocked:256kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:3564kB bounce:0kB free_pcp:268kB local_pcp:0kB free_cma:280kB
[58531.861039] lowmem_reserve[]: 0 0 0
[58531.861054] Normal: 56*4kB (H) 44*8kB (H) 48*16kB (H) 37*32kB (H) 14*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3552kB
[58531.861118] HighMem: 27*4kB (UM) 42*8kB (C) 1*16kB (C) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 460kB
[58531.861184] 304362 total pagecache pages
[58531.861189] 15251 pages in swap cache
[58531.861194] Swap cache stats: add 382459, delete 367208, find 125239/202183
[58531.861198] Free swap  = 1630464kB
[58531.861203] Total swap = 2097148kB
[58531.861207] 518656 pages RAM
[58531.861213] 322048 pages HighMem/MovableOnly
[58531.861217] 8201 pages reserved
[58531.861222] 32768 pages cma reserved

 

 

In short: disabling zram-config.service and using "pure partition swap via ssd" causes problems

HC-1, armbianmonitor -u = http://sprunge.us/aRZc

 

UPDATE: "New year problems party" continues: 

Spoiler 

[63786.258447] lowmem_reserve[]: 0 0 0
[63786.258463] Normal: 56*4kB (H) 40*8kB (H) 48*16kB (H) 37*32kB (H) 14*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3520kB
[63786.258522] HighMem: 2295*4kB (UMC) 334*8kB (MC) 3*16kB (C) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11900kB
[63786.258572] 299158 total pagecache pages
[63786.258575] 11127 pages in swap cache
[63786.258579] Swap cache stats: add 409233, delete 398106, find 133227/215304
[63786.258583] Free swap  = 1580692kB
[63786.258586] Total swap = 2097148kB
[63786.258589] 518656 pages RAM
[63786.258593] 322048 pages HighMem/MovableOnly
[63786.258596] 8201 pages reserved
[63786.258599] 32768 pages cma reserved
[63787.042853] slab_out_of_memory: 878 callbacks suppressed
[63787.042857] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.042863]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.042868]   node 0: slabs: 389, objs: 8169, free: 0
[63787.046695] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.046702]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.046708]   node 0: slabs: 389, objs: 8169, free: 0
[63787.048040] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.048045]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.048049]   node 0: slabs: 389, objs: 8169, free: 0
[63787.049142] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.049149]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.049154]   node 0: slabs: 389, objs: 8169, free: 0
[63787.050405] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.050410]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.050415]   node 0: slabs: 389, objs: 8169, free: 0
[63787.055956] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.055961]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.055966]   node 0: slabs: 389, objs: 8169, free: 0
[63787.075953] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.075958]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.075963]   node 0: slabs: 389, objs: 8169, free: 0
[63787.095948] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.095953]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.095957]   node 0: slabs: 389, objs: 8169, free: 0
[63787.115953] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.115958]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.115963]   node 0: slabs: 389, objs: 8169, free: 0
[63787.135961] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC)
[63787.135967]   cache: kmalloc-192, object size: 192, buffer size: 192, default order: 0, min order: 0
[63787.135973]   node 0: slabs: 389, objs: 8169, free: 0

 

 

armbianmonitor -u = http://sprunge.us/ZYLE

 

  • Author

Returned zram swap back.

Spoiler 

odroidxu4:~$  cat /proc/swaps 
Filename				Type		Size	Used	Priority
/dev/zram0                              partition	127612	37156	5
/dev/zram1                              partition	127612	37172	5
/dev/zram2                              partition	127612	37128	5
/dev/zram3                              partition	127612	37132	5
/dev/zram4                              partition	127612	37136	5
/dev/zram5                              partition	127612	37096	5
/dev/zram6                              partition	127612	37028	5
/dev/zram7                              partition	127612	37108	5

 

Rebooted. And once again: 

Spoiler 

[32933.612697] 518656 pages RAM
[32933.612703] 322048 pages HighMem/MovableOnly
[32933.612708] 8201 pages reserved
[32933.612713] 32768 pages cma reserved
[32933.612723] swapper/7: page allocation failure: order:0, mode:0x2080020(GFP_ATOMIC)
[32933.612735] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.9.61-odroidxu4 #2
[32933.612738] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[32933.612745] [<c021b299>] (unwind_backtrace) from [<c021831f>] (show_stack+0xb/0xc)
[32933.612751] [<c021831f>] (show_stack) from [<c05765f7>] (dump_stack+0x67/0x74)
[32933.612758] [<c05765f7>] (dump_stack) from [<c02ae9af>] (warn_alloc+0xbf/0xdc)
[32933.612765] [<c02ae9af>] (warn_alloc) from [<c02aecc7>] (__alloc_pages_nodemask+0x29f/0x9cc)
[32933.612771] [<c02aecc7>] (__alloc_pages_nodemask) from [<c02af50d>] (__alloc_page_frag+0xcd/0xdc)
[32933.612778] [<c02af50d>] (__alloc_page_frag) from [<c07a6ca9>] (__napi_alloc_skb+0x71/0xb0)
[32933.612784] [<c07a6ca9>] (__napi_alloc_skb) from [<c067eb3f>] (r8152_poll+0x227/0xacc)
[32933.612790] [<c067eb3f>] (r8152_poll) from [<c07b0ee5>] (net_rx_action+0x1ad/0x234)
[32933.612796] [<c07b0ee5>] (net_rx_action) from [<c022d129>] (__do_softirq+0x9d/0x194)
[32933.612801] [<c022d129>] (__do_softirq) from [<c022d429>] (irq_exit+0x8d/0xdc)
[32933.612807] [<c022d429>] (irq_exit) from [<c025fb1f>] (__handle_domain_irq+0x3f/0x7c)
[32933.612813] [<c025fb1f>] (__handle_domain_irq) from [<c02013b7>] (gic_handle_irq+0x43/0x78)
[32933.612818] [<c02013b7>] (gic_handle_irq) from [<c0218bd3>] (__irq_svc+0x53/0x94)
[32933.612822] Exception stack(0xee8cbf88 to 0xee8cbfd0)
[32933.612826] bf80:                   00000001 00000000 00000000 c02240a1 ee8ca000 c100313c
[32933.612831] bfa0: 00000080 c1003190 00000000 00000000 c0e650b8 c1003198 00199110 ee8cbfd8
[32933.612835] bfc0: c0216245 c0216246 400f0033 ffffffff
[32933.612841] [<c0218bd3>] (__irq_svc) from [<c0216246>] (arch_cpu_idle+0x22/0x24)
[32933.612848] [<c0216246>] (arch_cpu_idle) from [<c0258997>] (cpu_startup_entry+0x123/0x170)
[32933.612854] [<c0258997>] (cpu_startup_entry) from [<40201491>] (0x40201491)
[32933.612859] Mem-Info:
[32933.612867] active_anon:90964 inactive_anon:94229 isolated_anon:0
                active_file:110064 inactive_file:100502 isolated_file:0
                unevictable:64 dirty:21664 writeback:4733 unstable:0
                slab_reclaimable:5984 slab_unreclaimable:11106
                mapped:3801 shmem:784 pagetables:1590 bounce:0
                free:1066 free_pcp:1528 free_cma:68
[32933.612878] Node 0 active_anon:363856kB inactive_a

 

 

 

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