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Howlett" Cc: Bert Karwatzki , Andrew Morton , Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region() Date: Tue, 1 Oct 2024 04:34:00 +0200 Message-ID: <20241001023402.3374-1-spasswolf@web.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: 20240830040101.822209-15-Liam.Howlett@oracle.com References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:GUFcmiR+bUHmRa3KIzb88Naz1mt6x6to1o1mEXKWhYjraYmIxn3 KyeQg3L3Dovg6tJ2hBcpUMoJCWQKthlaoxxLuAirVq2ANTTvBT6awgL/dN7S4Z2mjRfCvn+ DgqUcs7FefPpBxPQ43SP2bkJyZB8vW8YFquleSWxtONnHmEto1q3e0DLbKttB9q/Osd5FLW iiUxL8jV8FeOGySkksxvQ== UI-OutboundReport: notjunk:1;M01:P0:nAKVdcZLtXw=;gYpw4vXvfurHWkfjeUC/kCT0UgS xzOi/x1bkn/rt9HyOA1CayPhPNQKL6dbaz1gs9om+cp5eVKXxSFwyt2+Z9QV2er+B5KwVtH7I Fel/HPQgV4U75yxWNBbqsPLCc4IISeaTnGfXZt447SCLnOiugV5UbZPK+CdXLUAX/p18qB+W1 hgEaMzPDujbsVm0F6sYaTAQMoIqqJEqd84/EK6dk5sM0f/DLSOyJLmNkOiR5ph+mV0ohke62S 0JzEMyuTXptDN0pIpeqyKoTW88J4/iB2/MUOQ1EDB0WVTkFKAuOIWiW8C/KAmmKlLXArI6SFv EJAn/LcpXITZyjmRFpPuc1quQ+R94IYljSJeL9kAZxdnkAXJ7nnyGkxYHNSnMx1qYWsjMFMf5 zD4yUaj9zA9+wI59p5AltOdjYxvNhjrB6kx4k6jBkGlnXoTntodDSQ70WgcPvlyh+UXPzN4ur o6SrHOlqopNlgq7/dON49Jz4OMl7Gh5qVa3DrCYX/TpmStQZDLnAYrsgQD4CF8v7Znk2GQ8ow vHP7gJtzrhNbtZmZ09PeXOFrcVgElM/5LnNH+ojEtYxyzQRMe+IbDuc27pf0PKktWYgqPa+Ig iXIxzv0qM+nHLjjRcmoa8FYtOk1bcr6wunoAP6/M7SDiDoyd7zP03NNfjntkcfEcGdTBhnZnW qxsKIRf9WqeF1oOMUxawvMizX6a2zGBq7+nbS3JICyqgD878cNVv0iwTuJmUcDNsvzS4UfPDX HZikYGVgnDLGSUrVx34jP3rPE6cSOk9Mz+A89iuB4un4zO03zoLa8qM63QSzcfNijfN+LqQic Ktn1FEBBSxQgyWq1IWdlDB3A== X-Rspam-User: X-Stat-Signature: khyd46t4kjkyjax3sit7e39k1jspjqkk X-Rspamd-Queue-Id: EC0B34000E X-Rspamd-Server: rspam02 X-HE-Tag: 1727750046-238013 X-HE-Meta: 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 GfXi6C8n FX7olc5uWPsPEHHoTnSiARAOsdszQhciA0nFC9igAKN4lNp46kXEkRgLcQ8XMRq+1QBrY+mYxbAz1nuXbTznmioj7l0wLzmgTdUdgzda4gEvkCabAJK3GFmacvU7DGsWggQyn02g2gmQS13TNNfloHT3BLGGKS0rmZpIa7yvwChpuTtzIugEWRRuEuvtTz9l9qwRpXOraIiy086uG1fUI6XGcEDjPNFiftO1MXyG+11GjM1MPMGdf6jzph40inKlGLx3mtFHGKHq/9C+3axGbvCIw5SL2UuZA3ATBs5crqjo6pERHTkjFxukzm6wkhX9bKNRO X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: I just noticed (via a bisect between v6.11 and v6.12-rc1) that this patch=20 (commit f8d112a4e657 in linux-next tree) leads to a severe memory corruptio= n=20 error under these (rather rare) circumstances: 1. Start a 32bit windows game via steam (which uses proton, steam's version= of wine) 2. When starting the game you the proton version used has to be updated The effect is the following: The updating process of proton hangs and the g= ame does not start and even after an exit from steam two processes remain, one of th= em at=20 100% CPU: $ ps aux | grep rundll bert 222638 1.7 0.1 2054868 87492 ? Ss 23:14 0:01 C:\windo= ws\syswow64\rundll32.exe setupapi,InstallHinfSection Wow64Install 128 \\?\Z= :\mnt\data\.steam\debian-installation\steamapps\common\Proton - Experimenta= l\files\share\wine\wine.inf bert 222639 99.8 0.0 2054868 2380 ? R 23:14 1:01 C:\windo= ws\syswow64\rundll32.exe setupapi,InstallHinfSection Wow64Install 128 \\?\Z= :\mnt\data\.steam\debian-installation\steamapps\common\Proton - Experimenta= l\files\share\wine\wine.inf When trying to kill those processes with "killall rundll32.exe", these erro= r happen: [ T4313] ------------[ cut here ]------------ [ T4313] WARNING: CPU: 6 PID: 4313 at include/linux/rwsem.h:85 free_pgtable= s+0x233/0x250 [ T4313] Modules linked in: ccm snd_seq_dummy snd_hrtimer snd_seq_midi snd_= seq_midi_event snd_rawmidi snd_seq snd_seq_device rfcomm bnep nls_ascii nls= _cp437 vfat fat snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic snd= _hda_scodec_component snd_hda_codec_hdmi snd_hda_intel btusb snd_intel_dspc= fg btrtl snd_hda_codec btintel uvcvideo btbcm btmtk snd_acp3x_pdm_dma snd_s= oc_dmic snd_acp3x_rn videobuf2_vmalloc snd_hwdep uvc videobuf2_memops bluet= ooth snd_soc_core snd_hda_core videobuf2_v4l2 snd_pcm_oss videodev snd_mixe= r_oss snd_pcm snd_rn_pci_acp3x videobuf2_common snd_acp_config snd_timer ms= i_wmi snd_soc_acpi ecdh_generic amd_atl ecc mc sparse_keymap edac_mce_amd s= nd wmi_bmof ccp soundcore snd_pci_acp3x k10temp ac battery button hid_senso= r_prox hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor= _als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf industriali= o hid_sensor_iio_common joydev amd_pmc evdev serio_raw mt7921e mt7921_commo= n mt792x_lib mt76_connac_lib mt76 mac80211 libarc4 [ T4313] cfg80211 rfkill msr fuse nvme_fabrics efi_pstore configfs efivarf= s autofs4 ext4 crc32c_generic mbcache jbd2 usbhid amdgpu amdxcp i2c_algo_bi= t drm_ttm_helper ttm drm_exec gpu_sched xhci_pci hid_sensor_hub drm_suballo= c_helper xhci_hcd nvme i2c_piix4 drm_buddy mfd_core hid_multitouch hid_gene= ric crc32c_intel psmouse usbcore drm_display_helper i2c_hid_acpi i2c_smbus = amd_sfh usb_common i2c_hid nvme_core crc16 r8169 hid i2c_designware_platfor= m i2c_designware_core [ T4313] CPU: 6 UID: 1000 PID: 4313 Comm: rundll32.exe Not tainted 6.11.0-r= c6-bisect-00259-gf8d112a4e657 #539 [ T4313] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/M= S-158L, BIOS E158LAMS.107 11/10/2021 [ T4313] RIP: 0010:free_pgtables+0x233/0x250 [ T4313] Code: f3 5d 02 00 49 8b 57 08 e9 74 fe ff ff 48 8b 53 10 31 ed 48 = 8b 8a a8 00 00 00 83 e1 01 0f 85 51 ff ff ff 0f 0b e9 4a ff ff ff <0f> 0b e= 9 80 fe ff ff 4c 89 f7 4c 89 fb e8 bb 5d 02 00 e9 7b ff ff [ T4313] RSP: 0018:ffffb21c0775bbe0 EFLAGS: 00010246 [ T4313] RAX: ffffa02298d5f8c0 RBX: ffffa023b115b780 RCX: 0000000000000000 [ T4313] RDX: ffffa022be442200 RSI: ffffa02290460d00 RDI: ffffa023b115b780 [ T4313] RBP: ffffa025b102ab40 R08: 0000000000000001 R09: 0000000000000008 [ T4313] R10: ffffa02284b42500 R11: 0000000000000000 R12: 0000000000000001 [ T4313] R13: ffffffffffffffff R14: ffffb21c0775bc08 R15: ffffa025b102ab40 [ T4313] FS: 0000000000000000(0000) GS:ffffa0312e780000(0000) knlGS:000000= 0000000000 [ T4313] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ T4313] CR2: 00007f326de7e328 CR3: 0000000202832000 CR4: 0000000000750ef0 [ T4313] PKRU: 55555554 [ T4313] Call Trace: [ T4313] [ T4313] ? __warn+0x83/0xb5 [ T4313] ? free_pgtables+0x233/0x250 [ T4313] ? report_bug+0xfa/0x140 [ T4313] ? handle_bug+0x3a/0x70 [ T4313] ? exc_invalid_op+0x17/0x70 [ T4313] ? asm_exc_invalid_op+0x1a/0x20 [ T4313] ? free_pgtables+0x233/0x250 [ T4313] exit_mmap+0x14d/0x2a0 [ T4313] mmput+0x3e/0xf0 [ T4313] do_exit+0x283/0x9b0 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] do_group_exit+0x2b/0x80 [ T4313] get_signal+0x78d/0x7d0 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? __do_wait+0x13d/0x250 [ T4313] arch_do_signal_or_restart+0x29/0x230 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? kernel_wait4+0xa7/0x140 [ T4313] syscall_exit_to_user_mode+0x154/0x1a0 [ T4313] do_int80_emulation+0x94/0x140 [ T4313] asm_int80_emulation+0x1a/0x20 [ T4313] RIP: 0023:0xf7ef9bc2 [ T4313] Code: Unable to access opcode bytes at 0xf7ef9b98. [ T4313] RSP: 002b:000000000050f9ec EFLAGS: 00000246 ORIG_RAX: 000000000000= 0072 [ T4313] RAX: fffffffffffffe00 RBX: 00000000000010da RCX: 0000000000000000 [ T4313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ T4313] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ T4313] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ T4313] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ T4313] [ T4313] ---[ end trace 0000000000000000 ]--- [ T4313] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ T4313] #PF: supervisor write access in kernel mode [ T4313] #PF: error_code(0x0002) - not-present page [ T4313] PGD 0 P4D 0=20 [ T4313] Oops: Oops: 0002 [#1] PREEMPT SMP NOPTI [ T4313] CPU: 6 UID: 1000 PID: 4313 Comm: rundll32.exe Tainted: G W = 6.11.0-rc6-bisect-00259-gf8d112a4e657 #539 [ T4313] Tainted: [W]=3DWARN [ T4313] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/M= S-158L, BIOS E158LAMS.107 11/10/2021 [ T4313] RIP: 0010:__rb_erase_color+0x19e/0x260 [ T4313] Code: 48 89 ee 48 89 df 4c 89 e5 2e e8 ed 16 06 00 e9 a2 fe ff ff = 48 89 68 10 eb e6 4c 8b 65 08 48 8d 43 01 4c 89 63 10 48 89 5d 08 <49> 89 0= 4 24 48 8b 03 48 89 45 00 48 89 2b 48 83 f8 03 76 27 48 83 [ T4313] RSP: 0018:ffffb21c0775bb78 EFLAGS: 00010246 [ T4313] RAX: ffffa0228380ef39 RBX: ffffa0228380ef38 RCX: 00000000000000fb [ T4313] RDX: 0000000000000000 RSI: ffffa02352021d80 RDI: ffffa0228380ef38 [ T4313] RBP: ffffa0228380e678 R08: 00000000000000fc R09: 0000000000000001 [ T4313] R10: 0000000000400035 R11: 0000000000000000 R12: 0000000000000000 [ T4313] R13: ffffffff83c46b90 R14: ffffa02352021d80 R15: ffffb21c0775bc08 [ T4313] FS: 0000000000000000(0000) GS:ffffa0312e780000(0000) knlGS:000000= 0000000000 [ T4313] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ T4313] CR2: 0000000000000000 CR3: 0000000202832000 CR4: 0000000000750ef0 [ T4313] PKRU: 55555554 [ T4313] Call Trace: [ T4313] [ T4313] ? __die+0x51/0x92 [ T4313] ? page_fault_oops+0x99/0x210 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? vprintk_emit+0xc1/0x270 [ T4313] ? exc_page_fault+0x35e/0x660 [ T4313] ? asm_exc_page_fault+0x26/0x30 [ T4313] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10 [ T4313] ? __rb_erase_color+0x19e/0x260 [ T4313] ? __rb_erase_color+0x183/0x260 [ T4313] unlink_file_vma_batch_add+0x8a/0xc0 [ T4313] free_pgtables+0x124/0x250 [ T4313] exit_mmap+0x14d/0x2a0 [ T4313] mmput+0x3e/0xf0 [ T4313] do_exit+0x283/0x9b0 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] do_group_exit+0x2b/0x80 [ T4313] get_signal+0x78d/0x7d0 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? __do_wait+0x13d/0x250 [ T4313] arch_do_signal_or_restart+0x29/0x230 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? kernel_wait4+0xa7/0x140 [ T4313] syscall_exit_to_user_mode+0x154/0x1a0 [ T4313] do_int80_emulation+0x94/0x140 [ T4313] asm_int80_emulation+0x1a/0x20 [ T4313] RIP: 0023:0xf7ef9bc2 [ T4313] Code: Unable to access opcode bytes at 0xf7ef9b98. [ T4313] RSP: 002b:000000000050f9ec EFLAGS: 00000246 ORIG_RAX: 000000000000= 0072 [ T4313] RAX: fffffffffffffe00 RBX: 00000000000010da RCX: 0000000000000000 [ T4313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ T4313] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ T4313] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ T4313] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ T4313] [ T4313] Modules linked in: ccm snd_seq_dummy snd_hrtimer snd_seq_midi snd_= seq_midi_event snd_rawmidi snd_seq snd_seq_device rfcomm bnep nls_ascii nls= _cp437 vfat fat snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic snd= _hda_scodec_component snd_hda_codec_hdmi snd_hda_intel btusb snd_intel_dspc= fg btrtl snd_hda_codec btintel uvcvideo btbcm btmtk snd_acp3x_pdm_dma snd_s= oc_dmic snd_acp3x_rn videobuf2_vmalloc snd_hwdep uvc videobuf2_memops bluet= ooth snd_soc_core snd_hda_core videobuf2_v4l2 snd_pcm_oss videodev snd_mixe= r_oss snd_pcm snd_rn_pci_acp3x videobuf2_common snd_acp_config snd_timer ms= i_wmi snd_soc_acpi ecdh_generic amd_atl ecc mc sparse_keymap edac_mce_amd s= nd wmi_bmof ccp soundcore snd_pci_acp3x k10temp ac battery button hid_senso= r_prox hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor= _als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf industriali= o hid_sensor_iio_common joydev amd_pmc evdev serio_raw mt7921e mt7921_commo= n mt792x_lib mt76_connac_lib mt76 mac80211 libarc4 [ T4313] cfg80211 rfkill msr fuse nvme_fabrics efi_pstore configfs efivarf= s autofs4 ext4 crc32c_generic mbcache jbd2 usbhid amdgpu amdxcp i2c_algo_bi= t drm_ttm_helper ttm drm_exec gpu_sched xhci_pci hid_sensor_hub drm_suballo= c_helper xhci_hcd nvme i2c_piix4 drm_buddy mfd_core hid_multitouch hid_gene= ric crc32c_intel psmouse usbcore drm_display_helper i2c_hid_acpi i2c_smbus = amd_sfh usb_common i2c_hid nvme_core crc16 r8169 hid i2c_designware_platfor= m i2c_designware_core [ T4313] CR2: 0000000000000000 [ T4313] ---[ end trace 0000000000000000 ]--- [ T4313] RIP: 0010:__rb_erase_color+0x19e/0x260 [ T4313] Code: 48 89 ee 48 89 df 4c 89 e5 2e e8 ed 16 06 00 e9 a2 fe ff ff = 48 89 68 10 eb e6 4c 8b 65 08 48 8d 43 01 4c 89 63 10 48 89 5d 08 <49> 89 0= 4 24 48 8b 03 48 89 45 00 48 89 2b 48 83 f8 03 76 27 48 83 [ T4313] RSP: 0018:ffffb21c0775bb78 EFLAGS: 00010246 [ T4313] RAX: ffffa0228380ef39 RBX: ffffa0228380ef38 RCX: 00000000000000fb [ T4313] RDX: 0000000000000000 RSI: ffffa02352021d80 RDI: ffffa0228380ef38 [ T4313] RBP: ffffa0228380e678 R08: 00000000000000fc R09: 0000000000000001 [ T4313] R10: 0000000000400035 R11: 0000000000000000 R12: 0000000000000000 [ T4313] R13: ffffffff83c46b90 R14: ffffa02352021d80 R15: ffffb21c0775bc08 [ T4313] FS: 0000000000000000(0000) GS:ffffa0312e780000(0000) knlGS:000000= 0000000000 [ T4313] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ T4313] CR2: 0000000000000000 CR3: 000000043109c000 CR4: 0000000000750ef0 [ T4313] PKRU: 55555554 [ T4313] note: rundll32.exe[4313] exited with irqs disabled [ T4313] Fixing recursive fault but reboot is needed! [ T4313] BUG: scheduling while atomic: rundll32.exe/4313/0x00000000 [ T4313] Modules linked in: ccm snd_seq_dummy snd_hrtimer snd_seq_midi snd_= seq_midi_event snd_rawmidi snd_seq snd_seq_device rfcomm bnep nls_ascii nls= _cp437 vfat fat snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic snd= _hda_scodec_component snd_hda_codec_hdmi snd_hda_intel btusb snd_intel_dspc= fg btrtl snd_hda_codec btintel uvcvideo btbcm btmtk snd_acp3x_pdm_dma snd_s= oc_dmic snd_acp3x_rn videobuf2_vmalloc snd_hwdep uvc videobuf2_memops bluet= ooth snd_soc_core snd_hda_core videobuf2_v4l2 snd_pcm_oss videodev snd_mixe= r_oss snd_pcm snd_rn_pci_acp3x videobuf2_common snd_acp_config snd_timer ms= i_wmi snd_soc_acpi ecdh_generic amd_atl ecc mc sparse_keymap edac_mce_amd s= nd wmi_bmof ccp soundcore snd_pci_acp3x k10temp ac battery button hid_senso= r_prox hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor= _als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf industriali= o hid_sensor_iio_common joydev amd_pmc evdev serio_raw mt7921e mt7921_commo= n mt792x_lib mt76_connac_lib mt76 mac80211 libarc4 [ T4313] cfg80211 rfkill msr fuse nvme_fabrics efi_pstore configfs efivarf= s autofs4 ext4 crc32c_generic mbcache jbd2 usbhid amdgpu amdxcp i2c_algo_bi= t drm_ttm_helper ttm drm_exec gpu_sched xhci_pci hid_sensor_hub drm_suballo= c_helper xhci_hcd nvme i2c_piix4 drm_buddy mfd_core hid_multitouch hid_gene= ric crc32c_intel psmouse usbcore drm_display_helper i2c_hid_acpi i2c_smbus = amd_sfh usb_common i2c_hid nvme_core crc16 r8169 hid i2c_designware_platfor= m i2c_designware_core [ T4313] CPU: 3 UID: 1000 PID: 4313 Comm: rundll32.exe Tainted: G D W = 6.11.0-rc6-bisect-00259-gf8d112a4e657 #539 [ T4313] Tainted: [D]=3DDIE, [W]=3DWARN [ T4313] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/M= S-158L, BIOS E158LAMS.107 11/10/2021 [ T4313] Call Trace: [ T4313] [ T4313] dump_stack_lvl+0x58/0x90 [ T4313] __schedule_bug.cold+0x3e/0x4a [ T4313] __schedule+0xed3/0x12d0 [ T4313] ? irq_work_queue+0x2d/0x50 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? vprintk_emit+0xc1/0x270 [ T4313] ? srso_alias_return_thunk+0x5/0xfbef5 [ T4313] ? _printk+0x57/0x72 [ T4313] do_task_dead+0x3d/0x40 [ T4313] make_task_dead.cold+0xcc/0xd8 [ T4313] rewind_stack_and_make_dead+0x16/0x20 [ T4313] RIP: 0023:0xf7ef9bc2 [ T4313] Code: Unable to access opcode bytes at 0xf7ef9b98. [ T4313] RSP: 002b:000000000050f9ec EFLAGS: 00000246 ORIG_RAX: 000000000000= 0072 [ T4313] RAX: fffffffffffffe00 RBX: 00000000000010da RCX: 0000000000000000 [ T4313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ T4313] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ T4313] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ T4313] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ T4313] After that sometimes a kernel panic happen sometimes trying to reboot is st= ill possible but even then the reboot fails due to the mentioned processes bein= g=20 unkillable. Bert Karwatzki