Linux Kernel: alábbi hibaüzenetek mire utalhatnak?
Syslog-ban alábbi hibaüzenetek milyen rendellenes működésre utalhatnak és miért, miképpen lehetne ezt kideríteni?
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.284513] INFO: task kworker/0:0:14183 blocked for more than 120 seconds.
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.287415] Tainted: G C 5.10.0-20-arm64 #1 Debian 5.10.158-2
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.290603] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.293864] task:kworker/0:0 state:D stack: 0 pid:14183 ppid: 2 flags:0x00000028
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.297349] Workqueue: events_freezable mmc_rescan
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.299342] Call trace:
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.300380] __switch_to+0xc0/0x120
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.301875] __schedule+0x2b8/0x7c4
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.303347] schedule+0x50/0xdc
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.304703] __mmc_claim_host+0xc4/0x1e4
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.306355] mmc_get_card+0x3c/0x4c
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.307821] mmc_sd_detect+0x28/0xa0
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.309349] mmc_rescan+0xc4/0x42c
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.310792] process_one_work+0x1d0/0x494
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.312497] worker_thread+0x180/0x500
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.314076] kthread+0x12c/0x130
Jan 19 18:47:46 rpi4-20200909 kernel: [193939.315435] ret_from_fork+0x10/0x30
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.118330] INFO: task kworker/0:0:14183 blocked for more than 241 seconds.
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.121227] Tainted: G C 5.10.0-20-arm64 #1 Debian 5.10.158-2
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.124400] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.127687] task:kworker/0:0 state:D stack: 0 pid:14183 ppid: 2 flags:0x00000028
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.131262] Workqueue: events_freezable mmc_rescan
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.133279] Call trace:
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.134381] __switch_to+0xc0/0x120
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.135861] __schedule+0x2b8/0x7c4
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.137326] schedule+0x50/0xdc
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.138713] __mmc_claim_host+0xc4/0x1e4
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.140382] mmc_get_card+0x3c/0x4c
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.141867] mmc_sd_detect+0x28/0xa0
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.143406] mmc_rescan+0xc4/0x42c
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.144845] process_one_work+0x1d0/0x494
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.146557] worker_thread+0x180/0x500
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.148133] kthread+0x12c/0x130
Jan 19 18:49:47 rpi4-20200909 kernel: [194060.149505] ret_from_fork+0x10/0x30
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.952149] INFO: task kworker/0:0:14183 blocked for more than 362 seconds.
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.955053] Tainted: G C 5.10.0-20-arm64 #1 Debian 5.10.158-2
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.958252] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.961524] task:kworker/0:0 state:D stack: 0 pid:14183 ppid: 2 flags:0x00000028
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.965053] Workqueue: events_freezable mmc_rescan
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.967059] Call trace:
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.968159] __switch_to+0xc0/0x120
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.969639] __schedule+0x2b8/0x7c4
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.971105] schedule+0x50/0xdc
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.972499] __mmc_claim_host+0xc4/0x1e4
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.974155] mmc_get_card+0x3c/0x4c
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.975622] mmc_sd_detect+0x28/0xa0
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.977171] mmc_rescan+0xc4/0x42c
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.978615] process_one_work+0x1d0/0x494
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.980307] worker_thread+0x180/0x500
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.981884] kthread+0x12c/0x130
Jan 19 18:51:48 rpi4-20200909 kernel: [194180.983243] ret_from_fork+0x10/0x30
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.785987] INFO: task kworker/0:0:14183 blocked for more than 483 seconds.
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.788889] Tainted: G C 5.10.0-20-arm64 #1 Debian 5.10.158-2
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.792090] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.795369] task:kworker/0:0 state:D stack: 0 pid:14183 ppid: 2 flags:0x00000028
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.798889] Workqueue: events_freezable mmc_rescan
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.800903] Call trace:
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.801989] __switch_to+0xc0/0x120
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.803466] __schedule+0x2b8/0x7c4
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.804931] schedule+0x50/0xdc
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.806285] __mmc_claim_host+0xc4/0x1e4
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.807933] mmc_get_card+0x3c/0x4c
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.809401] mmc_sd_detect+0x28/0xa0
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.810933] mmc_rescan+0xc4/0x42c
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.812379] process_one_work+0x1d0/0x494
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.814086] worker_thread+0x180/0x500
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.815662] kthread+0x12c/0x130
Jan 19 18:53:48 rpi4-20200909 kernel: [194301.817022] ret_from_fork+0x10/0x30
Én infra lámpával szoktam melegíteni a processzort.
Csak így nyer értelmet az olcsón megvásárolt vízhűtés.
A háttértár maga nem fizikai háttértár, hanem fájl-konténer, loop-ként csatolva.
Ezért érdekes.
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