[Info-vax] DECThreads hard landing

[Arne Vajhøj]

Maybe first CTRL/C and then CTRL/Y is a bit rough, but still
what happened surprised me.

Arne


$ python recv.py
No handlers could be found for logger "stomp.py"
7

7

7

  Cancel

  Interrupt

$ dir
%DECthreads bugcheck (version V3.22-095), terminating execution.
% Reason:  lckMcsLock: deadlock detected, cell = 0x00000000018B1240
% Running on OpenVMS V8.4-2L2() on AlphaServer DS20E 833 MHz, 1024Mb; 1 
CPUs, pid 1097
% The bugcheck occurred at 11-MAY-2021 18:03:25.00, running image
%  ARNE1$DKA1:[NET.JFP.python2718.][vms.bin]python.exe;3 in process 00000449
%  (named "_TNA3:"), under username "ARNE". AST delivery is enabled for all
%  modes; ASTs are active in user. Upcalls are disabled. Multiple kernel
%  threads are disabled.
% The current thread sequence number is 2, at 0x018B1240
% Current thread traceback:
%     0:  PC 0x80A39694, FP 0x018AE1A0, DESC 0x7BB76B20
%     1:  PC 0x80A3FA5C, FP 0x018AE260, DESC 0x7BB77E20
%     2:  PC 0x80A3B708, FP 0x018AE310, DESC 0x7BB77458
%     3:  PC 0x80A3D5D4, FP 0x018AE330, DESC 0x7BB776C8
%     4:  PC 0x80A3BB44, FP 0x018AE360, DESC 0x7BB77730
%     5:  PC 0x80A5AFC4, FP 0x018AE3A0, DESC 0x7BB7C2F8
%     6:  PC 0x009D9B28, FP 0x018AE3F0, DESC 0x0076E870
%     7:  PC 0x009D708C, FP 0x018AE420, DESC 0x0076DC40
%     8:  PC 0x800833F8, FP 0x018AE4B0, DESC 0x81951DF8
%     9:  PC 0x8017ACF0, FP 0x018AE500, DESC 0x818F21F8
%    10:  PC 0x80A34E7C, FP 0x018AE6E0, DESC 0x7BB762B0
%    11:  PC 0x80A34C4C, FP 0x018AE740, DESC 0x7BB76540
%    12:  PC 0x80A3818C, FP 0x018AE7D0, DESC 0x7BB76640
%    13:  PC 0x80A68038, FP 0x018AE800, DESC 0x7BB7DF08
%    14:  PC 0x8017ACF0, FP 0x018AE840, DESC 0x818F21F8
%    15:  PC 0x801676D4, FP 0x018AEA20, DESC 0x818EFD00
%    16:  PC 0x011C1DD4, FP 0x018AEA90, DESC 0x0121DD50
%    17:  PC 0x80ABE2C8, FP 0x018AEAE0, DESC 0x7BEA9FE8
%    18:  PC 0x00464408, FP 0x018AEB70, DESC 0x00070BC0
%    19:  PC 0x0046464C, FP 0x018AEC10, DESC 0x00070C48
%    20:  PC 0x00307C24, FP 0x018AEC50, DESC 0x0003D6A0
%    21:  PC 0x00346F8C, FP 0x018AECB0, DESC 0x00048A80
%    22:  PC 0x00342848, FP 0x018AED20, DESC 0x00048708
%    23:  PC 0x00347234, FP 0x018AEE80, DESC 0x00048A80
%    24:  PC 0x00342848, FP 0x018AEEF0, DESC 0x00048708
%    25:  PC 0x00347234, FP 0x018AF050, DESC 0x00048A80
%    26:  PC 0x00342848, FP 0x018AF0C0, DESC 0x00048708
%    27:  PC 0x00345894, FP 0x018AF210, DESC 0x00048348
%    28:  PC 0x003115CC, FP 0x018AF2E0, DESC 0x0003F390
%    29:  PC 0x002F5CA8, FP 0x018AF350, DESC 0x0003A680
%    30:  PC 0x0034806C, FP 0x018AF390, DESC 0x00047F40
%    31:  PC 0x00342954, FP 0x018AF400, DESC 0x00048708
%    32:  PC 0x00347234, FP 0x018AF560, DESC 0x00048A80
%    33:  PC 0x00342848, FP 0x018AF5D0, DESC 0x00048708
%    34:  PC 0x00347234, FP 0x018AF730, DESC 0x00048A80
%    35:  PC 0x00342848, FP 0x018AF7A0, DESC 0x00048708
%    36:  PC 0x00345894, FP 0x018AF8F0, DESC 0x00048348
%    37:  PC 0x003115CC, FP 0x018AF9C0, DESC 0x0003F390
%    38:  PC 0x002F5CA8, FP 0x018AFA30, DESC 0x0003A680
%    39:  PC 0x0031A2AC, FP 0x018AFA80, DESC 0x0003FA30
%    40:  PC 0x002F5CA8, FP 0x018AFCD0, DESC 0x0003A680
%    41:  PC 0x003468EC, FP 0x018AFD10, DESC 0x00047C70
%    42:  PC 0x00500B18, FP 0x018AFD50, DESC 0x00089A70
%    43:  PC 0x003BB388, FP 0x018AFDA0, DESC 0x0005A890
%    44:  PC 0x80A4E74C, FP 0x018AFDE0, DESC 0x7BB7A5A0
%    45:  PC 0x80A3B230, FP 0x018AFFE0, DESC 0x7BB772B0
%    46:  PC 0x00000000, FP 0x7AE23A50, DESC 0x7BB74380
%    47:  PC 0x80340964, FP 0x7AE27B30, DESC 0x81952110
%    48:  PC 0x7AF98038, FP 0x7AE27BB0, DESC 0x7AF0D3D0
%  Bugcheck output saved to pthread_dump.log.
%SYSTEM-F-IMGDMP, dynamic image dump signal at PC=FFFFFFFF80A39838, 
PS=0000001B
  Interrupt