Bug 211337
Summary: | BUG: kernel NULL pointer dereference + PCI Bus reset on display power event when Thunderbolt plugged in | ||
---|---|---|---|
Product: | Drivers | Reporter: | François Guerraz (kubrick) |
Component: | IOMMU | Assignee: | drivers_iommu |
Status: | NEW --- | ||
Severity: | normal | ||
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
Kernel Version: | 5.10.10 | Subsystem: | |
Regression: | No | Bisected commit-id: | |
Attachments: |
dmesg
kernel log from 5.11.0-rc5-1-drm-tip-git-g1e0161c5128a |
Description
François Guerraz
2021-01-25 08:55:17 UTC
I opened a similar bug report on the DRM bug tracking: https://gitlab.freedesktop.org/drm/intel/-/issues/2999 I will also mention that my device has 32GB or RAM as I find some similarities in the logs with this https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1827042 Created attachment 294869 [details]
kernel log from 5.11.0-rc5-1-drm-tip-git-g1e0161c5128a
Tested today with 5.11.0-rc5-1-drm-tip-git-g1e0161c5128a, waking up screen from screen results in system crash
BUG: kernel NULL pointer dereference, address: 00000000000009c9 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#2] PREEMPT SMP NOPTI CPU: 3 PID: 113 Comm: irq/122-pciehp Tainted: G UD W 5.11.0-rc5-1-drm-tip-git-g1e0161c5128a #3 Hardware name: Dell Inc. XPS 13 9300/0PP9G2, BIOS 1.4.1 11/23/2020 RIP: 0010:mutex_lock+0x10/0x20 Code: 03 31 c0 c3 eb d4 0f 1f 40 00 0f 1f 44 00 00 be 02 00 00 00 e9 91 fa ff ff 90 0f 1f 44 00 00 31 c0 65 48 8b 14 25 c0 7b 01 00 <f0> 48 0f b1 17 75 01 c3 eb d6 66 0f 1f 44 00 00 0f 1f 44 00 00 41 RSP: 0018:ffffb428803b7e30 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff8a95c12025c0 RSI: 0000000000001bc1 RDI: 00000000000009c9 RBP: 00000000000009c9 R08: 0000000000000000 R09: ffffb428803b7888 R10: ffffb428803b7880 R11: ffffffff864cb908 R12: ffff8a95c1202e24 R13: 0000000000000001 R14: ffff8a95c12025c0 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8a9d2f8c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000009c9 CR3: 00000001662e0002 CR4: 0000000000770ee0 PKRU: 55555554 Call Trace: perf_event_exit_task+0x30/0x440 ? pciehp_ist+0x10a/0x110 do_exit+0x38f/0xa80 ? task_work_run+0x5c/0x90 ? do_exit+0x37f/0xa80 ? kthread+0x133/0x150 ? rewind_stack_do_exit+0x17/0x17 Modules linked in: igb dca rfcomm ccm wireguard curve25519_x86_64 libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64 ip6_udp_tunnel udp_tunnel libcurve25519_generic libchacha libblake2s_generic typec_displayport cmac algif_hash algif_skcipher af_alg snd_hda_codec_hdmi cdc_ether usbnet snd_usb> dell_laptop mei_hdcp dell_wmi wacom blake2b_generic snd_sof_pci xor dell_smbios snd_sof_intel_byt intel_rapl_msr wmi_bmof intel_wmi_thunderbolt raid6_pq snd_sof_intel_ipc snd_sof_intel_hda_common libcrc32c dell_wmi_descriptor snd_soc_hdac_hda dcdbas snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_hda_ext_core snd_s> processor_thermal_mbox intel_gtt v4l2_fwnode processor_thermal_rapl syscopyarea sysfillrect intel_rapl_common sysimgblt intel_soc_dts_iosf videodev fb_sys_fops ucsi_acpi typec_ucsi tpm_tis typec tpm_tis_core wmi mac_hid intel_hid int3403_thermal i2c_hid mc int340x_thermal_zone video sparse_keymap int3400_thermal acp> CR2: 00000000000009c9 ---[ end trace b3179a9d4a3ea8ba ]--- RIP: 0010:kfree+0x3a4/0x460 Code: 55 18 e9 da fe ff ff 49 8b 07 31 ed a9 00 00 01 00 74 05 41 0f b6 6f 51 49 8b 07 a9 00 00 01 00 75 0a 49 8b 47 08 a8 01 75 02 <0f> 0b 49 8b 07 89 e9 be 06 00 00 00 48 c7 c2 00 f0 ff ff 48 d3 e2 RSP: 0000:ffffb428803b7bc0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8a966083d000 RCX: 000000008080001c RDX: 0000000000000000 RSI: ffffffff85493aa7 RDI: ffff8a966083d000 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8a95dd69b020 R11: 0000000000000001 R12: dead000000000100 R13: ffff8a966083d000 R14: ffff8a95c67a8ae8 R15: ffffe785c6820f40 FS: 0000000000000000(0000) GS:ffff8a9d2f8c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000009c9 CR3: 00000001662e0002 CR4: 0000000000770ee0 PKRU: 55555554 Fixing recursive fault but reboot is needed! |