Bug 202111
| Summary: | random bug: unable to handle kernel paging, related to vt_do_kdgkb_ioctl() function | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Barto (mister.freeman) |
| Component: | Other | Assignee: | drivers_other |
| Status: | NEW --- | ||
| Severity: | normal | CC: | natrio |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 4.19.12 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | dmesg | ||
maybe related also to this bug report : https://bugzilla.kernel.org/show_bug.cgi?id=194589 The same bug, on both 4.19.* and 4.20.* kernels, random too, only on loadkeys, but not every boot: BUG: unable to handle kernel paging request at ffffa3cbd0292000 PGD 4e01067 P4D 4e01067 PUD 4e05067 PMD 1101bc063 PTE 8000000110292061 Oops: 0003 [#1] PREEMPT SMP PTI CPU: 1 PID: 378 Comm: loadkeys Not tainted 4.20.7-arch1-1-ARCH #1 Hardware name: Gigabyte Tecohnology Co., Ltd. H61M-S2PV/H61M-S2PV, BIOS FC 02/15/2012 RIP: 0010:__memmove+0x81/0x1a0 Code: 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 a2 00 00 00 66 90 48 89 d1 4c 8b 5c 16 f8 4c 8d 54 17 f8 48 c1 e9 03 <f3> 48 a5 4d 89 1a e9 0c 01 00 00 0f 1f 40 00 48 89 d1 4c 8b 1e 49 RSP: 0018:ffffb5b880c53d08 EFLAGS: 00010202 RAX: ffffa3cbd024a131 RBX: ffffffff92cc4080 RCX: 00000b8678546528 RDX: 00005c33c2a7a808 RSI: ffffa3cbd0291ff9 RDI: ffffa3cbd0291ff9 RBP: ffffa3cbd024a131 R08: 00007fff8dc0ff30 R09: 00000000fffff73b R10: ffffffff92cc4931 R11: 00505b1b004d5b1b R12: 0000000000000000 R13: ffffa3cbd024a12b R14: 0000000000000009 R15: ffffa3cbd01b2800 FS: 00007f666736e540(0000) GS:ffffa3cbdb100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffa3cbd0292000 CR3: 0000000119bb6001 CR4: 00000000000606e0 Call Trace: vt_do_kdgkb_ioctl+0x2d3/0x420 ? cap_inode_getsecurity+0x240/0x240 vt_ioctl+0xb70/0x1110 ? __mod_node_page_state+0x69/0xa0 tty_ioctl+0x220/0x8c0 ? seccomp_run_filters+0x5c/0x150 do_vfs_ioctl+0xa4/0x630 ? handle_mm_fault+0x10a/0x250 ? syscall_trace_enter+0x1d3/0x2d0 ksys_ioctl+0x60/0x90 __x64_sys_ioctl+0x16/0x20 do_syscall_64+0x5b/0x170 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f666729b80b Code: 0f 1e fa 48 8b 05 55 b6 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 25 b6 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007fff8dc0ff18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f666729b80b RDX: 00007fff8dc0ff30 RSI: 0000000000004b49 RDI: 0000000000000003 RBP: 00007fff8dc0ff31 R08: 00007f6667367aa0 R09: 00007f66672e8480 R10: 0000060200000119 R11: 0000000000000246 R12: 0000557ab0c7c2b0 R13: 00007fff8dc0ff30 R14: 0000000000000008 R15: 0000000000000003 Modules linked in: mousedev intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel crct10dif_pclmul crc32_pclmul iTCO_wdt ghash_clmulni_intel iTCO_vendor_support ppdev cryptd snd_hda_codec_realtek intel_cstate snd_hda_codec_generic intel_uncore snd_hda_intel snd_emu10k1 intel_rapl_perf mei_me psmouse snd_hda_codec input_leds i2c_i801 snd_util_mem snd_ac97_codec parport_pc snd_hda_core atl1c mei snd_rawmidi snd_seq_device emu10k1_gp parport ac97_bus gameport snd_hwdep pcc_cpufreq evdev mac_hid lpc_ich snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore sg crypto_user ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 fscrypto sr_mod cdrom sd_mod serio_raw atkbd libps2 ahci libahci libata crc32c_intel scsi_mod ehci_pci ehci_hcd i8042 serio i915 kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm agpgart CR2: ffffa3cbd0292000 ---[ end trace d4928b857469e250 ]--- RIP: 0010:__memmove+0x81/0x1a0 Code: 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 a2 00 00 00 66 90 48 89 d1 4c 8b 5c 16 f8 4c 8d 54 17 f8 48 c1 e9 03 <f3> 48 a5 4d 89 1a e9 0c 01 00 00 0f 1f 40 00 48 89 d1 4c 8b 1e 49 RSP: 0018:ffffb5b880c53d08 EFLAGS: 00010202 RAX: ffffa3cbd024a131 RBX: ffffffff92cc4080 RCX: 00000b8678546528 RDX: 00005c33c2a7a808 RSI: ffffa3cbd0291ff9 RDI: ffffa3cbd0291ff9 RBP: ffffa3cbd024a131 R08: 00007fff8dc0ff30 R09: 00000000fffff73b R10: ffffffff92cc4931 R11: 00505b1b004d5b1b R12: 0000000000000000 R13: ffffa3cbd024a12b R14: 0000000000000009 R15: ffffa3cbd01b2800 FS: 00007f666736e540(0000) GS:ffffa3cbdb100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffa3cbd0292000 CR3: 0000000119bb6001 CR4: 00000000000606e0 Found on two computers under Arch Linux: Gigabyte H61M-S2PV with Intel(R) Celeron(R) CPU G530, MSI MS-7808 with Intel(R) Pentium(R) CPU G2010. |
Created attachment 280227 [details] dmesg Hello, I notice a random bug at boot with kernel 4.19.12, related to vt_do_kdgkb_ioctl() function : [ 11.376579] BUG: unable to handle kernel paging request at ffff8e3ba50b8000 [ 11.377780] PGD 110a01067 P4D 110a01067 PUD 110a05067 PMD 222a74063 PTE 80000002250b8061 [ 11.377785] Oops: 0003 [#1] PREEMPT SMP PTI [ 11.377790] CPU: 3 PID: 411 Comm: loadkeys Not tainted 4.19.12-arch1-1-ARCH #1 [ 11.381766] Hardware name: Gigabyte Technology Co., Ltd. P35-DS3L/P35-DS3L, BIOS F9 06/19/2009 [ 11.381771] RIP: 0010:__memmove+0x81/0x1a0 [ 11.381773] Code: 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 a2 00 00 00 66 90 48 89 d1 4c 8b 5c 16 f8 4c 8d 54 17 f8 48 c1 e9 03 <f3> 48 a5 4d 89 1a e9 0c 01 00 00 0f 1f 40 00 48 89 d1 4c 8b 1e 49 [ 11.381773] RSP: 0018:ffffab31812cfd08 EFLAGS: 00010207 [ 11.381775] RAX: ffff8e3ba50b3755 RBX: ffffffffa4cc97c0 RCX: 00000e387ff8240f [ 11.381776] RDX: 000071c3ffc16924 RSI: ffff8e3ba50b7ffd RDI: ffff8e3ba50b7ffd [ 11.381777] RBP: ffff8e3ba50b3755 R08: 00007ffd65661830 R09: 00000000fffff73b [ 11.381778] R10: ffffffffa4cca071 R11: 00505b1b004d5b1b R12: 0000000000000000 [ 11.381779] R13: ffff8e3ba50b374f R14: 000000000000000f R15: ffff8e3ba5026c00 [ 11.381780] FS: 00007f0e828bb540(0000) GS:ffff8e3ba7b80000(0000) knlGS:0000000000000000 [ 11.381781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.381782] CR2: ffff8e3ba50b8000 CR3: 0000000225ab8000 CR4: 00000000000406e0 [ 11.381783] Call Trace: [ 11.381789] vt_do_kdgkb_ioctl+0x2d3/0x420 [ 11.381795] ? cap_inode_getsecurity+0x240/0x240 [ 11.381798] vt_ioctl+0xb70/0x1110 [ 11.406510] ? __switch_to_asm+0x40/0x70 [ 11.406513] ? seccomp_run_filters+0x5c/0x150 [ 11.406514] ? __switch_to_asm+0x34/0x70 [ 11.406517] tty_ioctl+0x220/0x890 [ 11.406521] ? __seccomp_filter+0x43/0x490 [ 11.415467] ? __switch_to_asm+0x34/0x70 [ 11.416818] ? __audit_syscall_exit+0x22a/0x290 [ 11.418161] do_vfs_ioctl+0xa4/0x630 [ 11.419504] ? syscall_slow_exit_work+0x19b/0x1b0 [ 11.420848] ? syscall_trace_enter+0x1d3/0x2d0 [ 11.422209] ksys_ioctl+0x60/0x90 [ 11.423509] __x64_sys_ioctl+0x16/0x20 [ 11.425911] do_syscall_64+0x5b/0x170 [ 11.427281] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 11.428564] RIP: 0033:0x7f0e827e880b I use archlinux, motherboard : gigabyte GA-P35-DS3L, CPU: intel quad core Q9650, my keyboard is a PS/2 model (not USB), I tested the ram, all is ok, no problems found by memtest, despite the error the boot can continue without problems, with previous kernel versions I didn't have this error, you can find as attachment the complete dmesg log