Looks like a recent regression?

Begin forwarded message:

Date: Thu, 11 Feb 2021 14:27:43 +0000 From: bugzilla-daemon@bugzilla.kernel.org To: akpm@linux-foundation.org Subject: [Bug 211707] New: BUG: unable to handle page fault for address: ffffa147bdf6b91d

https://bugzilla.kernel.org/show_bug.cgi?id=211707

Bug ID: 211707 Summary: BUG: unable to handle page fault for address: ffffa147bdf6b91d Product: Memory Management Version: 2.5 Kernel Version: 5.11-rc7 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Page Allocator Assignee: akpm@linux-foundation.org Reporter: erhard_f@mailbox.org CC: michel@daenzer.net Regression: No

Created attachment 295231 --> https://bugzilla.kernel.org/attachment.cgi?id=295231&action=edit kernel dmesg (5.11-rc7, eMachines E620)

[...] BUG: unable to handle page fault for address: ffffa147bdf6b91d #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 52001067 P4D 52001067 PUD 0 Oops: 0000 [#1] SMP NOPTI CPU: 1 PID: 623 Comm: udevd Not tainted 5.11.0-rc7-E620 #2 Hardware name: eMachines eMachines E620 /Nile , BIOS V1.03 09/30/2008 RIP: 0010:get_freepointer+0x6/0x1a Code: 89 f0 48 89 d6 48 89 ca 48 83 ef 70 49 8b 48 30 48 c7 c0 fb ff ff ff 48 85 c9 74 07 e8 f2 47 87 00 48 98 c3 8b 47 28 48 01 c6 <48> 8b 06 48 89 f2 48 33 87 b0 00 00 00 48 0f ca 48 31 d0 c3 48 8b RSP: 0018:ffffac5c807cb898 EFLAGS: 00010286 RAX: 0000000000000030 RBX: ffffa14707082078 RCX: 000000000000022a RDX: ffffa14702180980 RSI: ffffa147bdf6b91d RDI: ffffa14700042a00 RBP: 0000000000000dc0 R08: ffffa147bdf6b8ed R09: 0000000000000229 R10: 0000000000000000 R11: ffffa147070822d0 R12: ffffa14700042a00 R13: ffffa14700042a00 R14: 0000000000000050 R15: ffffffffc08b1d88 FS: 00007ff6aaf13b68(0000) GS:ffffa1472df00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffa147bdf6b91d CR3: 0000000104156000 CR4: 00000000000006e0 Call Trace: kmem_cache_alloc_trace+0x97/0x157 radeon_ttm_tt_create+0x21/0x66 [radeon] ttm_tt_create+0x8d/0xa3 [ttm] ttm_bo_handle_move_mem+0x85/0xf9 [ttm] ? radeon_update_memory_usage+0x4b/0x4b [radeon] ttm_bo_validate+0x138/0x1aa [ttm] ttm_bo_init_reserved+0x282/0x2ba [ttm] ttm_bo_init+0x56/0x8f [ttm] ? radeon_update_memory_usage+0x4b/0x4b [radeon] radeon_bo_create+0x17d/0x255 [radeon] ? radeon_update_memory_usage+0x4b/0x4b [radeon] radeon_ring_init+0x3e/0x12d [radeon] r100_cp_init+0x1ea/0x469 [radeon] rs690_startup+0x114/0x196 [radeon] ? radeon_pm_init+0x607/0x626 [radeon] rs690_init+0x29f/0x2eb [radeon] radeon_device_init+0x899/0xa7d [radeon] radeon_driver_load_kms+0x83/0x15c [radeon] drm_dev_register+0xf4/0x1bc [drm] radeon_pci_probe+0x134/0x178 [radeon] pci_device_probe+0x95/0x104 really_probe+0x144/0x326 driver_probe_device+0x63/0x92 device_driver_attach+0x37/0x50 __driver_attach+0x8d/0x93 ? device_driver_attach+0x50/0x50 bus_for_each_dev+0x71/0xa7 bus_add_driver+0x106/0x1b7 driver_register+0x99/0xd2 ? 0xffffffffc09da000 do_one_initcall+0xe2/0x24a ? trace_kmalloc+0x9a/0xc7 ? kmem_cache_alloc_trace+0x130/0x157 do_init_module+0x56/0x1f5 __do_sys_finit_module+0x94/0xbb do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7ff6aaea39d8 Code: 4c 89 4c 24 48 4c 8b 4c 24 60 48 89 54 24 10 48 8b 7e 08 48 89 74 24 18 48 8b 51 18 c7 44 24 08 08 00 00 00 48 8b 76 10 0f 05 <48> 89 c7 e8 40 08 fe ff 48 83 c4 58 c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffffd2e470 EFLAGS: 00000202 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00007ff6aae1c9d0 RCX: 00007ff6aaea39d8 RDX: 0000000000000000 RSI: 00007ff6aae168e7 RDI: 000000000000001b RBP: 0000000000020000 R08: 0000000000000000 R09: 00007ff6aaebb6dd R10: 000000000000001b R11: 0000000000000202 R12: 0000000000000000 R13: 00007ff6aa487d30 R14: 00007ff6aae168e7 R15: 0000000000000000 Modules linked in: radeon(+) snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio mac80211 snd_hda_intel evdev snd_intel_dspcfg input_leds snd_hda_codec led_class ath snd_hwdep psmouse snd_hda_core i2c_algo_bit lm83 drm_ttm_helper snd_pcm ohci_pci ttm snd_timer k8temp drm_kms_helper adm1021 hwmon snd ohci_hcd ehci_pci cfbfillrect soundcore syscopyarea cfbimgblt cfg80211 ehci_hcd sysfillrect i2c_piix4 sysimgblt fb_sys_fops sr_mod usbcore cfbcopyarea usb_common cdrom drm video drm_panel_orientation_quirks rfkill fb battery libarc4 ac font fbdev backlight thermal button processor CR2: ffffa147bdf6b91d ---[ end trace 1a80b76ad6066c81 ]---

Some data about the machine:

# inxi -b System: Kernel: 5.11.0-rc7-E620 x86_64 bits: 64 Desktop: MATE 1.24.0 Distro: Gentoo Base System release 2.7 Machine: Type: Laptop System: eMachines product: eMachines E620 v: V1.03 serial: LXN270Y0048480D3CA1601 Mobo: eMachines model: Nile serial: LXN270Y0048480D3CA1601 BIOS: eMachines v: 1.03 date: 09/30/2008 Battery: ID-1: BAT1 charge: N/A condition: N/A CPU: Info: Dual Core AMD Athlon X2 3250e [MCP] speed: 1496 MHz Graphics: Device-1: Advanced Micro Devices [AMD/ATI] RS690M [Radeon Xpress 1200/1250/1270] driver: radeon v: kernel Display: x11 server: X.Org 1.20.10 driver: ati,radeon unloaded: fbdev,modesetting resolution: 1280x800~60Hz OpenGL: renderer: ATI RS690 v: 2.1 Mesa 20.2.6 Network: Device-1: Qualcomm Atheros AR242x / AR542x Wireless Network Adapter driver: ath5k Device-2: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169 Drives: Local Storage: total: 256.17 GiB used: 10.38 GiB (4.1%) Info: Processes: 150 Uptime: 2m Memory: 3.59 GiB used: 403.2 MiB (11.0%) Shell: Bash inxi: 3.1.06

Probably connected to bug #211537.