1 :orphan:
2
3 =====================
4 MSM Crash Dump Format
5 =====================
6
7 Following a GPU hang the MSM driver outputs de
8 /sys/kernel/dri/X/show or via devcoredump (/sy
9 This document describes how the output is form
10
11 Each entry is in the form key: value. Sections
12 and all the contents of a section will be inde
13 Each section might have multiple array entries
14 by a (-).
15
16 Mappings
17 --------
18
19 kernel
20 The kernel version that generated the
21
22 module
23 The module that generated the crashdum
24
25 time
26 The kernel time at crash formatted as
27
28 comm
29 Comm string for the binary that genera
30
31 cmdline
32 Command line for the binary that gener
33
34 revision
35 ID of the GPU that generated the crash
36 core.major.minor.patchlevel separated
37
38 rbbm-status
39 The current value of RBBM_STATUS which
40 components are in use at the time of c
41
42 ringbuffer
43 Section containing the contents of eac
44 identified with an id number.
45
46 id
47 Ringbuffer ID (0 based index).
48 will have its own unique id.
49 iova
50 GPU address of the ringbuffer.
51
52 last-fence
53 The last fence that was issued
54
55 retired-fence
56 The last fence retired on the
57
58 rptr
59 The current read pointer (rptr
60
61 wptr
62 The current write pointer (wpt
63
64 size
65 Maximum size of the ringbuffer
66
67 data
68 The contents of the ring encod
69 portions of the ring will be p
70
71 bo
72 List of buffers from the hanging submi
73 Each buffer object will have a uinque
74
75 iova
76 GPU address of the buffer obje
77
78 size
79 Allocated size of the buffer o
80
81 data
82 The contents of the buffer obj
83 Trailing zeros at the end of t
84
85 registers
86 Set of registers values. Each entry is
87 by brackets { }.
88
89 offset
90 Byte offset of the register fr
91 GPU memory region.
92
93 value
94 Hexadecimal value of the regis
95
96 registers-hlsq
97 (5xx only) Register values fro
98 Same format as the register se
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