CONFIG_MTD_UBI_WL_THRESHOLD=10，CONFIG_MTD_UBI_FASTMAP = n 1. apply delay.diff 2. ./setup.sh 1 3. while true; do dd if=/dev/urandom of=/root/temp/file; rm -f /root/temp/file; done [ 295.563778] wear leveling 91 53 [ 295.563787] construct err for pnum 91 [ 295.563788] ubi0 error: wear_leveling_worker [ubi]: error -5 while reading VID header from PEB 91 [ 295.563845] ubi0 error: wear_leveling_worker [ubi]: error -5 while moving PEB 91 (LEB -1:-1) to PEB 53 [ 295.563877] ubi0 warning: wear_leveling_worker [ubi]: switch to read-only mode [ 295.563914] CPU: 2 PID: 7668 Comm: ubi_bgt0d Not tainted 5.19.0-rc1-00005-gbf9ed5c9834c-dirty #596 [ 295.563921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014 [ 295.563930] Call Trace: [ 295.563957] <TASK> [ 295.563970] ? dump_stack_lvl+0x73/0x9f [ 295.563988] ? dump_stack+0x13/0x1b [ 295.563993] ? wear_leveling_worker+0x11d8/0x1250 [ubi] [ 295.564021] ? do_work+0xce/0x160 [ubi] [ 295.564048] ? ubi_thread+0x1a5/0x380 [ubi] [ 295.564075] ? ubi_bitflip_check+0x420/0x420 [ubi] [ 295.564100] ? kthread+0x151/0x1b0 [ 295.564106] ? kthread_exit+0x50/0x50 [ 295.564110] ? ret_from_fork+0x1f/0x30 [ 295.564120] </TASK> [ 295.564123] ubi0 error: do_work [ubi]: work failed with error code -5 [ 295.564149] ubi0 error: ubi_thread [ubi]: ubi_bgt0d: work failed with error code -5 [ 295.575669] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575677] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575679] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575680] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575682] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575684] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575685] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 [ 295.575687] loop in ubi_wl_put_peb, e 0000000000000000 ubi->move_from 0000000000000000 $ top PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7676 root 20 0 0 0 0 R 100.0 0.0 19:55.81 ubifs_bgt0_0
Created attachment 301148 [details] delay.diff
Created attachment 301149 [details] setup.sh