It refail the same way with 6.1.0-31-powerpc64le and 6.1.0-32-powerpc64le I tried unstable package but still fail: 4.469944] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 4.469980] CPU: 19 PID: 785 Comm: nvidia-persiste Tainted: P W O 6.1.0-32-powerpc64le #1 Debian 6.1.129-1 [ 4.470009] Hardware name: T2P9D01 REV 1.00 POWER9 0x4e1203 opal:skiboot-9858186 PowerNV [ 4.470044] Call Trace: [ 4.470050] [c00020000c6aad60] [c000000000d7c70c] dump_stack_lvl+0x70/0xa0 (unreliable) [ 4.470084] [c00020000c6aad90] [c000000000137cf8] panic+0x16c/0x444 [ 4.470121] [c00020000c6aae20] [c000000000db137c] __schedule+0xbfc/0xc00 [ 4.470156] [c00020000c6aaf00] [c000000000db13f4] schedule+0x74/0x140 [ 4.470192] [c00020000c6aaf70] [c000000000dba1a4] schedule_timeout+0xb4/0x1c0 [ 4.470219] [c00020000c6ab040] [c008000015674890] os_delay+0x168/0x3e0 [nvidia] [ 4.470498] [c00020000c6ab0f0] [c00800001655afe0] _nv038241rm+0x20/0x50 [nvidia] [ 4.470788] [c00020000c6ab120] [c00800001571c4a4] _nv038459rm+0x264/0x530 [nvidia] [ 4.471081] [c00020000c6ab210] [c00800001656f538] _nv000655rm+0x13a8/0x2170 [nvidia] [ 4.471357] [c00020000c6ab3a0] [c008000016564af4] rm_init_adapter+0x114/0x130 [nvidia] [ 4.471638] [c00020000c6ab490] [c0080000156608a4] nv_open_device+0x60c/0xa40 [nvidia] [ 4.471878] [c00020000c6ab540] [c0080000156620e0] nvidia_open+0x2e8/0x570 [nvidia] [ 4.472101] [c00020000c6ab5f0] [c00800001567ca88] nvidia_frontend_open+0xa0/0x120 [nvidia] [ 4.472337] [c00020000c6ab640] [c000000000531258] chrdev_open+0x178/0x3b0 [ 4.472352] [c00020000c6ab6b0] [c0000000005218c0] do_dentry_open+0x290/0x560 [ 4.472389] [c00020000c6ab700] [c000000000544c50] path_openat+0xb90/0x15a0 [ 4.472403] [c00020000c6ab7f0] [c000000000546388] do_filp_open+0xc8/0x1a0 [ 4.472456] [c00020000c6ab920] [c0000000005245d0] do_sys_openat2+0x110/0x230 [ 4.472503] [c00020000c6ab990] [c000000000524b08] sys_openat+0x88/0xe0 [ 4.472550] [c00020000c6ab9f0] [c00000000002b038] system_call_exception+0x138/0x260 [ 4.472599] [c00020000c6abe10] [c00000000000c0f0] system_call_vectored_common+0xf0/0x280 [ 4.472637] --- interrupt: 3000 at 0x7fffa8b3a948 [ 4.472680] NIP: 00007fffa8b3a948 LR: 00007fffa8b3a948 CTR: 0000000000000000 [ 4.472726] REGS: c00020000c6abe80 TRAP: 3000 Tainted: P W O (6.1.0-32-powerpc64le Debian 6.1.129-1) [ 4.472764] MSR: 900000000280f033 <SF,HV,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> CR: 44004448 XER: 00000000 [ 4.472793] IRQMASK: 0 [ 4.472793] GPR00: 000000000000011e 00007fffe0ccd900 00007fffa8c56f00 ffffffffffffff9c [ 4.472793] GPR04: 00007fffe0ccd9a0 0000000000080002 0000000000000000 0000000000000030 [ 4.472793] GPR08: 00007fffa87f01f8 0000000000000000 0000000000000000 0000000000000000 [ 4.472793] GPR12: 0000000000000000 00007fffa8e5dc40 0000000000000000 0000000000000000 [ 4.472793] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.472793] GPR20: 0000000000000000 0000000000000000 0000000000000000 000000000000ffff [ 4.472793] GPR24: 00007fffa8813398 0000000000000000 00007fffa8812a48 00007fffa8812a48 [ 4.472793] GPR28: 00007fffe0ccdadc 0000000000000000 0000000000080002 00007fffa8813398 [ 4.472991] NIP [00007fffa8b3a948] 0x7fffa8b3a948 [ 4.473012] LR [00007fffa8b3a948] 0x7fffa8b3a948 [ 4.473044] --- interrupt: 3000 [ 4.488316] ------------[ cut here ]------------ [ 4.488321] WARNING: CPU: 2 PID: 982 at kernel/sched/core.c:3147 set_task_cpu+0x240/0x250 [ 4.488334] Modules linked in: nfs(+) fscache netfs overlay i2c_dev evdev nvidia_drm(PO) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops nvidia_modeset(PO) binfmt_misc hid_generic ofpart xts ecb powernv_flash ipmi_powernv ctr ipmi_devintf vmx_crypto gf128mul at24(+) mtd ipmi_msghandler opal_prd regmap_i2c sg usbhid hid nvidia(PO) nfsd auth_rpcgss nfs_acl lockd grace drm loop fuse drm_panel_orientation_quirks sunrpc configfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic dm_mod ses enclosure sd_mod scsi_transport_sas xhci_pci xhci_hcd nvme crc32c_vpmsum nvme_core t10_pi tg3 crc64_rocksoft crc64 usbcore crc_t10dif crct10dif_generic crct10dif_common libphy ahci aacraid usb_common libahci [ 4.488454] CPU: 2 PID: 982 Comm: netstat Tainted: P W O 6.1.0-32-powerpc64le #1 Debian 6.1.129-1 [ 4.488460] Hardware name: T2P9D01 REV 1.00 POWER9 0x4e1203 opal:skiboot-9858186 PowerNV [ 4.488463] NIP: c00000000018b8f0 LR: c00000000018dfd4 CTR: c00000000019a590 [ 4.488466] REGS: c000000014a7b640 TRAP: 0700 Tainted: P W O (6.1.0-32-powerpc64le Debian 6.1.129-1) [ 4.488471] MSR: 9000000