使用Bochs运行程序：display library 'sdl' not available

bochs运行程序报错：
display library 'sdl' not available
bx_dbg_read_linear: physical memory read error
代码如下：

kun@ubuntu:~/OSdesign$ bochs
========================================================================
                       Bochs x86 Emulator 2.6.9
               Built from SVN snapshot on April 9, 2017
                  Compiled on Feb 28 2021 at 05:57:54
========================================================================
00000000000i[      ] BXSHARE not set. using compile time default '/usr/local/share/bochs'
00000000000i[      ] reading configuration from bochsrc
00000000000p[      ] >>PANIC<< bochsrc:33: display library 'sdl' not available
00000000000e[SIM   ] notify called, but no bxevent_callback function is registered
00000000000e[SIM   ] notify called, but no bxevent_callback function is registered
========================================================================
Bochs is exiting with the following message:
[      ] bochsrc:33: display library 'sdl' not available
========================================================================
00000000000i[CPU0  ] CPU is in real mode (active)
00000000000i[CPU0  ] CS.mode = 16 bit
00000000000i[CPU0  ] SS.mode = 16 bit
00000000000i[CPU0  ] EFER   = 0x00000000
00000000000i[CPU0  ] | EAX=00000000  EBX=00000000  ECX=00000000  EDX=00000000
00000000000i[CPU0  ] | ESP=00000000  EBP=00000000  ESI=00000000  EDI=00000000
00000000000i[CPU0  ] | IOPL=0 id vip vif ac vm rf nt of df if tf sf ZF af PF cf
00000000000i[CPU0  ] | SEG sltr(index|ti|rpl)     base    limit G D
00000000000i[CPU0  ] |  CS:0000( 0000| 0|  0) 00000000 00000000 0 0
00000000000i[CPU0  ] |  DS:0000( 0000| 0|  0) 00000000 00000000 0 0
00000000000i[CPU0  ] |  SS:0000( 0000| 0|  0) 00000000 00000000 0 0
00000000000i[CPU0  ] |  ES:0000( 0000| 0|  0) 00000000 00000000 0 0
00000000000i[CPU0  ] |  FS:0000( 0000| 0|  0) 00000000 00000000 0 0
00000000000i[CPU0  ] |  GS:0000( 0000| 0|  0) 00000000 00000000 0 0
00000000000i[CPU0  ] | EIP=00000000 (00000000)
00000000000i[CPU0  ] | CR0=0x00000000 CR2=0x00000000
00000000000i[CPU0  ] | CR3=0x00000000 CR4=0x00000000
bx_dbg_read_linear: physical memory read error (phy=0x000000000000, lin=0x00000000)
00000000000i[SIM   ] quit_sim called with exit code 1

解决方法：
注释掉配置文件中的代码：
display_library: sdl