drivers/gpu/drm/ci/xfails/vkms-none-skips.txt

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/ci/xfails/vkms-none-skips.txt

Extension

.txt

Size

42167 bytes

Lines

812

Domain

Driver Families

Bucket

drivers/gpu

Inferred role

Driver Families: documentation

Status

atlas-only

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

# keeps printing vkms_vblank_simulate: vblank timer overrun and never ends
kms_invalid_mode@int-max-clock
kms_invalid_mode@overflow-vrefresh

# kernel panic seen with kms_cursor_crc tests
kms_cursor_crc.*
# kms_cursor_crc@cursor-rapid-movement-32x10
# Oops: 0000 [#1] PREEMPT SMP NOPTI
# CPU: 0 PID: 2635 Comm: kworker/u8:13 Not tainted 6.9.0-rc7-g40935263a1fd #1
# Hardware name: ChromiumOS crosvm, BIOS 0
# Workqueue: vkms_composer vkms_composer_worker [vkms]
# RIP: 0010:compose_active_planes+0x1c7/0x4e0 [vkms]
# Code: c9 0f 84 6a 01 00 00 8b 42 30 2b 42 28 41 39 c5 0f 8c 6f 01 00 00 49 83 c7 01 49 39 df 74 3b 4b 8b 34 fc 48 8b 96 48 01 00 00 <8b> 42 78 89 c1 83 e1 0a a8 20 74 b1 45 89 f5 41 f7 d5 44 03 6a 34
# RSP: 0018:ffffbb4700c17d58 EFLAGS: 00010246
# RAX: 0000000000000400 RBX: 0000000000000002 RCX: 0000000000000002
# RDX: 0000000000000000 RSI: ffffa2ad0788c000 RDI: 00000000fff479a8
# RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
# R10: ffffa2ad0bb14000 R11: 0000000000000000 R12: ffffa2ad03e21700
# R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000000
# FS:  0000000000000000(0000) GS:ffffa2ad2bc00000(0000) knlGS:0000000000000000
# CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# CR2: 0000000000000078 CR3: 000000010bd30000 CR4: 0000000000350ef0
# Call Trace:
#  <TASK>
#  ? __die+0x1e/0x60
#  ? page_fault_oops+0x17b/0x490
#  ? exc_page_fault+0x6d/0x230
#  ? asm_exc_page_fault+0x26/0x30
#  ? compose_active_planes+0x1c7/0x4e0 [vkms]
#  ? compose_active_planes+0x2a3/0x4e0 [vkms]
#  ? srso_return_thunk+0x5/0x5f
#  vkms_composer_worker+0x205/0x240 [vkms]
#  process_one_work+0x1f4/0x6b0
#  ? lock_is_held_type+0x9e/0x110
#  worker_thread+0x17e/0x350
#  ? __pfx_worker_thread+0x10/0x10
#  kthread+0xce/0x100
#  ? __pfx_kthread+0x10/0x10
#  ret_from_fork+0x2f/0x50
#  ? __pfx_kthread+0x10/0x10
#  ret_from_fork_asm+0x1a/0x30
#  </TASK>
# Modules linked in: vkms
# CR2: 0000000000000078
# ---[ end trace 0000000000000000 ]---
# RIP: 0010:compose_active_planes+0x1c7/0x4e0 [vkms]
# Code: c9 0f 84 6a 01 00 00 8b 42 30 2b 42 28 41 39 c5 0f 8c 6f 01 00 00 49 83 c7 01 49 39 df 74 3b 4b 8b 34 fc 48 8b 96 48 01 00 00 <8b> 42 78 89 c1 83 e1 0a a8 20 74 b1 45 89 f5 41 f7 d5 44 03 6a 34
# RSP: 0018:ffffbb4700c17d58 EFLAGS: 00010246
# RAX: 0000000000000400 RBX: 0000000000000002 RCX: 0000000000000002
# RDX: 0000000000000000 RSI: ffffa2ad0788c000 RDI: 00000000fff479a8
# RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
# R10: ffffa2ad0bb14000 R11: 0000000000000000 R12: ffffa2ad03e21700
# R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000000
# FS:  0000000000000000(0000) GS:ffffa2ad2bc00000(0000) knlGS:0000000000000000
# CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

#kms_cursor_crc@cursor-rapid-movement-256x85
# [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow.
# Oops: 0000 [#1] PREEMPT SMP NOPTI
# CPU: 1 PID: 10 Comm: kworker/u8:0 Not tainted 6.9.0-rc7-g646381cde463 #1
# Hardware name: ChromiumOS crosvm, BIOS 0
# Workqueue: vkms_composer vkms_composer_worker [vkms]
# RIP: 0010:compose_active_planes+0x1c7/0x4e0 [vkms]
# Code: c9 0f 84 6a 01 00 00 8b 42 30 2b 42 28 41 39 c5 0f 8c 6f 01 00 00 49 83 c7 01 49 39 df 74 3b 4b 8b 34 fc 48 8b 96 48 01 00 00 <8b> 42 78 89 c1 83 e1 0a a8 20 74 b1 45 89 f5 41 f7 d5 44 03 6a 34
# RSP: 0018:ffffa7e980057d58 EFLAGS: 00010246
# RAX: 0000000000000400 RBX: 0000000000000002 RCX: 0000000000000002
# RDX: 0000000000000000 RSI: ffff977987aa5c00 RDI: 000000001b43a85f
# RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
# R10: ffff977981bf0000 R11: 0000000000000000 R12: ffff977989622590
# R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000

Annotation

• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: atlas-only.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.