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From: Bert Karwatzki To: Rafal Ostrowski Cc: Dillon Varone , spasswolf@web.de, Alex Hung , Alex Deucher , Sebastian Andrzej Siewior , Thomas Gleixner , linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, linux-rt-devel@lists.linux.dev, amd-gfx@lists.freedesktop.org Date: Thu, 09 Apr 2026 15:30:52 +0200 In-Reply-To: <20260409131411.10598-1-spasswolf@web.de> References: <20260409131411.10598-1-spasswolf@web.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.56.2-0+deb13u1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:YVeqYFyMxaI0LWxCV+qojBbRJEgtWbE4gFoY1KqakQlXH8NUkkH 7jI5i3NzjnPpf9tugGNuCi49lvse9MoCuujouVc/Plos+VDxGnd3Z4mGMN+xy+fNcF+jaBa iDP+ub+4iz8wWuWsOl8fJXgACCM9VC9lmuC2hoZnIm9ewvdIB3v+BduWxMQmZSaRttwRrXL GjGXmwxNe+aVKWv5ns8Vw== UI-OutboundReport: notjunk:1;M01:P0:qEDgRkMIgog=;vOf/6iFyWFbaO7R220IYbZKRlVj emfnPSIhpkw4D0PXkuBtMkXHmRwmRtsqGiVtn1lxe2lL58lI6QXmMo8Pf8eqB0bPOXA3FC0/Q 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15:14 +0200 schrieb Bert Karwatzki: > I noticed that my debian stable (trixie) system running linux next-20260= 406 > would sometimes hang when resuming from hibernate (I also had two simila= r errors > under different circumstances, one just after booting and one when start= ing the > game stellaris, but hibernate seems to be the best way to provoke this e= rror).=20 > There are usually no error messages, but once I got this (incomplete) er= ror (via drm panic "kmsg"): >=20 >=20 >=20 > [ 125.266334][ C17] RSP: 002b:00007ffc1fcae230 EFLAGS: 00000246 ORIG_RAX= : 0000000000000010 > [ 125.266335][ C17] RAX: ffffffffffffffda RBX: 000055845b640060 RCX: 000= 07fb699e8e91b > [ 125.266335][ C17] RDX: 00007ffc1fcae2d0 RSI: 00000000c05064a7 RDI: 000= 000000000000f > [ 125.266336][ C17] RBP: 00007ffc1fcae2d0 R08: 0000000000000060 R09: 000= 0000000000000 > [ 125.266336][ C17] R10: 0000000000000003 R11: 0000000000000246 R12: 000= 00000c05064a7 > [ 125.266336][ C17] R13: 000000000000000f R14: 00000000c05064a7 R15: 000= 07ffc1fcae2d0 > [ 125.266337][ C17] </TASK> > [ 125.266337][ C17] Modules linked in: ccm snd_usb_audio joydev snd_usbm= idi_lib snd_ump snd_rawmidi snd_seq_dummy snd_hrtimer snd_seq snd_seq_devi= ce nls_ascii nls_cp437 vfat fat mt7925e mt7925_common mt792x_lib mt76_conn= ac_lib mt76 intel_rapl_msr snd_hda_codec_atihdmi mac80211 intel_rapl_commo= n snd_hda_codec_hdmi iosf_mbi snd_hda_intel rapl snd_hda_codec wmi_bmof sn= d_hda_core spd5118 regmap_i2c snd_intel_dspcfg snd_hwdep snd_pcm libarc4 s= nd_timer cfg80211 snd soundcore pcspkr rfkill ccp k10temp evdev nct6775 nc= t6775_core hwmon_vid configfs efi_pstore efivarfs autofs4 ext4 mbcache jbd= 2 hid_generic usbhid hid amdgpu drm_client_lib i2c_algo_bit drm_buddy drm_= ttm_helper ttm drm_exec drm_suballoc_helper mfd_core drm_panel_backlight_q= uirks gpu_sched amdxcp drm_display_helper xhci_pci xhci_hcd drm_kms_helper= ahci libahci drm libata usbcore nvme scsi_mod igc nvme_core cec i2c_piix4= scsi_common video usb_common nvme_keyring crc16 i2c_smbus nvme_auth wmi h= kdf gpio_amdpt gpio_generic > [ 125.266351][ C17] ---[ end trace 0000000000000000 ]--- > [ 126.356624][ C17] RIP: 0010:__get_vm_area_node+0x140/0x150 > [ 126.356631][ C17] Code: 00 00 ff c5 39 c5 0f 4c e8 b8 1e 00 00 00 39 c= 5 0f 4f e8 c4 e2 d1 f7 ea e9 3e ff ff ff 4c 89 e7 e8 f5 49 01 00 45 31 e4 = eb b0 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 40 d6 = 41 50 > [ 126.356633][ C17] RSP: 0018:ffffb50f075275f8 EFLAGS: 00010206 > [ 126.356635][ C17] RAX: 0000000000ff0000 RBX: 000000000000000c RCX: 000= 0000000000022 > [ 126.356636][ C17] RDX: 0000000000ff0000 RSI: 0000000000000001 RDI: 000= 000000000f720 > [ 126.356637][ C17] RBP: 000000000000000c R08: ffffb50f00000000 R09: fff= fd50effffffff > [ 126.356637][ C17] R10: ffffd50effffffff R11: 0000000000000006 R12: fff= f9090a6000000 > [ 126.356638][ C17] R13: ffff9090a62e9fd0 R14: 000000000000f720 R15: 000= 0000000000dc0 > [ 126.356639][ C17] FS: 00007fb699b0eb40(0000) GS:ffff90a00a848000(0000)= knlGS:0000000000000000 > [ 126.356640][ C17] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 126.356640][ C17] CR2: 00007f617c3fa02f CR3: 00000001a0c4e000 CR4: 000= 0000000f50ef0 > [ 126.356641][ C17] PKRU: 55555554 > [ 126.356642][ C17] Kernel panic - not syncing: Fatal exception in inter= rupt > [ 126.356811][ C17] Kernel Offset: 0x30a00000 from 0xffffffff81000000 (r= elocation range: 0xffffffff80000000-0xffffffffbfffffff) >=20 >=20 > Any Ideas? >=20 > Bert Karwatzki >=20 In just checked the error message with faddr2line and got this: $ scripts/faddr2line mm/vmalloc.o __get_vm_area_node+0x140/0x150 __get_vm_area_node+0x140/0x150: __get_vm_area_node at /mnt/data/linux-forest/linux-next/mm/vmalloc.c:3212 = (discriminator 1) line 3213 in __get_vm_area_node is this: BUG_ON(in_interrupt()); So the problem is using __get_vm_area_node() (presumably via kzalloc() as = this is the only vm function in the offending poatch) from interrupt context. Bert Karwatzki=20