hi there,
so I googled subject, it hasnt happened since 2008, apparently.
this is an old tired 686 box, and is possibly long-standing issue.
Jul 11 05:44:31 popeye kernel: Linux version 5.2.0-j1 (jimc@popeye)
(gcc version 9.1.1 20190503 (Red Hat 9.1.1-1) (GCC)) #101 SMP Tue Jul
9 14:05:51 MDT 2019
Jul 11 05:44:31 popeye kernel: kgdbts:RUN hw write breakpoint test
Jul 11 05:44:31 popeye kernel: kgdbts:RUN access write breakpoint test
Jul 11 05:44:31 popeye kernel: kgdbts: ERROR hw_access_break_test test failed
Jul 11 05:44:31 popeye kernel: WARNING: CPU: 1 PID: 1 at
drivers/misc/kgdbts.c:903 run_hw_break_test.cold+0x15/0x38
Jul 11 05:44:31 popeye kernel: Modules linked in:
Jul 11 05:44:31 popeye kernel: CPU: 1 PID: 1 Comm: swapper/0 Not
tainted 5.2.0-j1 #101
Jul 11 05:44:31 popeye kernel: Hardware name: Dell Inc. OptiPlex 760
/0R230R, BIOS A16 08/06/2013
Jul 11 05:44:31 popeye kernel: EIP: run_hw_break_test.cold+0x15/0x38
Jul 11 05:44:31 popeye kernel: Code: 04 24 7c db 71 d2 e8 6f 34 a8 ff
b8 e4 ff ff ff e9 1b f1 ff ff c7 04 24 c4 db 71 d2 a1 e4 a9 a3 d2 89
44 24 04 e8 50 34 a8 ff <0f> 0b e9 b4 f1>
Jul 11 05:44:31 popeye kernel: EAX: 0000002e EBX: 00000000 ECX:
d29d22e8 EDX: 00000001
Jul 11 05:44:31 popeye kernel: ESI: 000003e8 EDI: 00000001 EBP:
f40d7ee8 ESP: f40d7ee0
Jul 11 05:44:31 popeye kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS:
0068 EFLAGS: 00010286
Jul 11 05:44:31 popeye kernel: CR0: 80050033 CR2: 00000000 CR3:
129c2000 CR4: 000406d0
Jul 11 05:44:31 popeye kernel: DR0: d2a3aab4 DR1: 00000000 DR2:
00000000 DR3: 00000000
Jul 11 05:44:31 popeye kernel: DR6: ffff0ff1 DR7: 00000600
Jul 11 05:44:31 popeye kernel: Call Trace:
Jul 11 05:44:31 popeye kernel: configure_kgdbts+0x1bf/0x380
Jul 11 05:44:31 popeye kernel: ? printk+0xe/0x10
Jul 11 05:44:31 popeye kernel: ? loop_init+0x130/0x130
Jul 11 05:44:31 popeye kernel: init_kgdbts+0x11/0x16
Jul 11 05:44:31 popeye kernel: do_one_initcall+0x3a/0x1b3
Jul 11 05:44:31 popeye kernel: ? __wake_up_common_lock+0x95/0xc0
Jul 11 05:44:31 popeye kernel: ? do_early_param+0x73/0x73
Jul 11 05:44:31 popeye kernel: kernel_init_freeable+0x138/0x1bf
Jul 11 05:44:31 popeye kernel: ? rest_init+0x85/0x85
Jul 11 05:44:31 popeye kernel: kernel_init+0x8/0xdb
Jul 11 05:44:31 popeye kernel: ret_from_fork+0x19/0x24
Jul 11 05:44:31 popeye kernel: ---[ end trace 2436c6ccd5dc743b ]---
b
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