https://bugzilla.kernel.org/show_bug.cgi?id=209407 Jouni Seppänen (jks@xxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- Kernel Version|5.9.13 |5.10.4 --- Comment #3 from Jouni Seppänen (jks@xxxxxx) --- Occurs in 5.10.4 too. Unfortunately the kdump tools on my system are failing to write the dmesg dump for this kernel version, but I got some log messages via a serial console. [ 649.351619] BUG: unable to handle page fault for address: ffff8c3302243000 [ 649.358522] #PF: supervisor write access in kernel mode [ 649.363766] #PF: error_code(0x0003) - permissions violation [ 649.369346] PGD 12e801067 P4D 12e801067 PUD 12e805067 PMD 10224c063 PTE 8000000102243161 [ 649.377465] Oops: 0003 [#1] SMP NOPTI [ 649.381150] CPU: 2 PID: 0 Comm: swapper/2 Kdump: loaded Not tainted 5.10.4 #1 [ 649.388292] Hardware name: PC Engines apu3/apu3, BIOS v4.12.0.2 06/28/2020 [ 649.395188] RIP: 0010:__memset+0x24/0x30 --- 8< --- [ 649.460541] kernel BUG at lib/list_debug.c:53! [ 649.468906] list_del corruption. prev->next should be ffff9c260153beb8, but was 0000000000000000 [ 649.468938] ------------[ cut here ]------------ [ 649.468943] kernel BUG at lib/list_debug.c:53! [ 649.515815] Call Trace: [ 649.518294] <IRQ> [ 649.520353] cdc_ncm_fill_tx_frame+0x821/0x950 [cdc_ncm] [ 649.525722] cdc_mbim_tx_fixup+0x1fb/0x260 [cdc_mbim] [ 649.530822] usbnet_start_xmit+0x71/0x740 [usbnet] The failing kdump-tools output is [ 53.583779] kdump-tools[844]: The kernel version is not supported. [ 53.601995] kdump-tools[844]: The makedumpfile operation may be incomplete. [ 53.610833] kdump-tools[844]: The dumpfile is saved to /var/crash/202012311403/dump-incomplete. [ 53.629930] kdump-tools[844]: makedumpfile Completed. [ 53.651012] kdump-tools[844]: kdump-tools: saved vmcore in /var/crash/202012311403. [ 57.611244] kdump-tools[844]: running makedumpfile --dump-dmesg /proc/vmcore /var/crash/202012311403/dmesg.202012311403. [ 57.630883] kdump-tools[844]: dump_dmesg: Can't find some symbols for log_buf. [ 57.649968] kdump-tools[844]: The kernel version is not supported. [ 57.665919] kdump-tools[844]: The makedumpfile operation may be incomplete. [ 57.681790] kdump-tools[844]: makedumpfile Failed. [ 57.704245] kdump-tools[844]: kdump-tools: makedumpfile --dump-dmesg failed. dmesg content will be unavailable ... failed! [ 57.727124] kdump-tools[844]: kdump-tools: failed to save dmesg content in /var/crash/202012311403 ... failed! -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.