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1 <appendix>
2 <title>OS-9 Error Codes</title>
3 <para>
4 The error codes are shown in both hexadecimal (first column) and
5 decimal (second column). Error codes other than those listed are
6 generated by programming languages or user programs.
7 </para>
8
9 <informaltable frame="none">
10 <tgroup cols="3">
11 <colspec colwidth="0.6in">
12 <colspec colwidth="0.6in">
13 <colspec colwidth="3.8in">
14 <thead>
15 <row>
16 <entry rowsep="1">HEX</entry>
17 <entry rowsep="1">DEC</entry>
18 <entry rowsep="0"></entry>
19 </row>
20 </thead>
21 <tbody>
22 <row>
23 <entry>$C8</entry>
24 <entry>200</entry>
25 <entry>PATH TABLE FULL - The file cannot be opened because
26 the system path table is currently full.</entry></row>
27 <row>
28 <entry>$C9</entry>
29 <entry>201</entry>
30 <entry>ILLEGAL PATH NUMBER - Number too large or for non-existant path.</entry></row>
31 <row>
32 <entry>$CA</entry>
33 <entry>202</entry>
34 <entry>INTERRUPT POLLING TABLE FULL</entry></row>
35 <row>
36 <entry>$CB</entry>
37 <entry>203</entry>
38 <entry>ILLEGAL MODE - attempt to perform I/O function of which the device or file is incapable.</entry></row>
39 <row>
40 <entry>$CC</entry>
41 <entry>204</entry>
42 <entry>DEVICE TABLE FULL - Can't add another device</entry></row>
43 <row>
44 <entry>$CD</entry>
45 <entry>205</entry>
46 <entry>ILLEGAL MODULE HEADER - module not loaded because its
47 sync code, header parity, or CRC is incorrect.</entry></row>
48 <row>
49 <entry>$CE</entry>
50 <entry>206</entry>
51 <entry>MODULE DIRECTORY FULL - Can't add another module</entry></row>
52 <row>
53 <entry>$CF</entry>
54 <entry>207</entry>
55 <entry>MEMORY FULL - Level One: not enough contiquous RAM free.
56 Level Two: process address space full</entry></row>
57 <row>
58 <entry>$D0</entry>
59 <entry>208</entry>
60 <entry>ILLEGAL SERVICE REQUEST - System call had an illegal code number.</entry></row>
61 <row>
62 <entry>$D1</entry>
63 <entry>209</entry>
64 <entry>MODULE BUSY - non-sharable module is in use by another process.</entry></row>
65 <row>
66 <entry>$D2</entry>
67 <entry>210</entry>
68 <entry>BOUNDARY ERROR - Memory allocation or deallocation request not on a page boundary.</entry></row>
69 <row>
70 <entry>$D3</entry>
71 <entry>211</entry>
72 <entry>END OF FILE - End of file encountered on read.</entry></row>
73 <row>
74 <entry>$D4</entry>
75 <entry>212</entry>
76 <entry>RETURNING NON-ALLOCATED MEMORY -
77 attempted to deallocate memory not previously assigned.</entry></row>
78 <row>
79 <entry>$D5</entry>
80 <entry>213</entry>
81 <entry>NON-EXISTING SEGMENT - device has damaged file structure.</entry></row>
82 <row>
83 <entry>$D6</entry>
84 <entry>214</entry>
85 <entry>NO PERMISSION - file attributes do not permit access requested.</entry></row>
86 <row>
87 <entry>$D7</entry>
88 <entry>215</entry>
89 <entry>BAD PATH NAME - syntax error in pathlist (illegal character, etc.).</entry></row>
90 <row>
91 <entry>$D8</entry>
92 <entry>216</entry>
93 <entry>PATH NAME NOT FOUND - can't find pathlist specified.</entry></row>
94 <row>
95 <entry>$D9</entry>
96 <entry>217</entry>
97 <entry>SEGMENT LIST FULL - file is too fragmented to be expanded further.</entry></row>
98 <row>
99 <entry>$DA</entry>
100 <entry>218</entry>
101 <entry>FILE ALREADY EXISTS - file name already appears in current directory.</entry></row>
102 <row>
103 <entry>$DB</entry>
104 <entry>219</entry>
105 <entry>ILLEGAL BLOCK ADDRESS - device's file structure has been damaged.</entry></row>
106 <row>
107 <entry>$DC</entry>
108 <entry>220</entry>
109 <entry>ILLEGAL BLOCK SIZE - device's file structure has been damaged.</entry></row>
110 <row>
111 <entry>$DD</entry>
112 <entry>221</entry>
113 <entry>MODULE NOT FOUND - request for link to module not found in directory.</entry></row>
114 <row>
115 <entry>$DE</entry>
116 <entry>222</entry>
117 <entry>SECTOR OUT OF RANGE - device file structure damaged or
118 incorrectly formatted.</entry></row>
119 <row>
120 <entry>$DF</entry>
121 <entry>223</entry>
122 <entry>SUICIDE ATTEMPT - request to return memory where your stack is located.</entry></row>
123 <row>
124 <entry>$E0</entry>
125 <entry>224</entry>
126 <entry>ILLEGAL PROCESS NUMBER - no such process exists.</entry></row>
127 <row>
128 <entry>$E2</entry>
129 <entry>226</entry>
130 <entry>NO CHILDREN - can't wait because process has no children.</entry></row>
131 <row>
132 <entry>$E3</entry>
133 <entry>227</entry>
134 <entry>ILLEGAL SWI CODE - must be 1 to 3.</entry></row>
135 <row>
136 <entry>$E4</entry>
137 <entry>228</entry>
138 <entry>PROCESS ABORTED - process aborted by signal code 2.</entry></row>
139 <row>
140 <entry>$E5</entry>
141 <entry>229</entry>
142 <entry>PROCESS TABLE FULL - can't fork now.</entry></row>
143 <row>
144 <entry>$E6</entry>
145 <entry>230</entry>
146 <entry>ILLEGAL PARAMETER AREA - high and low bounds passed in fork call are incorrect.</entry></row>
147 <row>
148 <entry>$E7</entry>
149 <entry>231</entry>
150 <entry>KNOWN MODULE - for internal use only.</entry></row>
151 <row>
152 <entry>$E8</entry>
153 <entry>232</entry>
154 <entry>INCORRECT MODULE CRC - module has bad CRC value.</entry></row>
155 <row>
156 <entry>$E9</entry>
157 <entry>233</entry>
158 <entry>SIGNAL ERROR - receiving process has previous
159 unprocessed signal pending.</entry></row>
160 <row>
161 <entry>$EA</entry>
162 <entry>234</entry>
163 <entry>NON-EXISTENT MODULE - unable to locate module.</entry></row>
164 <row>
165 <entry>$EB</entry>
166 <entry>235</entry>
167 <entry>BAD NAME - illegal name syntax</entry></row>
168 <row>
169 <entry>$EC</entry>
170 <entry>236</entry>
171 <entry>BAD HEADER - module header parity incorrect</entry></row>
172 <row>
173 <entry>$ED</entry>
174 <entry>237</entry>
175 <entry>RAM FULL - no free system RAM available at this time</entry></row>
176 <row>
177 <entry>$EE</entry>
178 <entry>238</entry>
179 <entry>UNKNOWN PROCESS ID - incorrect process ID number</entry></row>
180 <row>
181 <entry>$EF</entry>
182 <entry>239</entry>
183 <entry>NO TASK NUMBER AVAILABLE - all task numbers in use</entry></row>
184 </tbody>
185 </tgroup>
186 </informaltable>
187
188
189 <section>
190 <title>Device Driver Errors</title>
191 <para>
192 The following error codes are generated by I/O device drivers, and
193 are somewhat hardware dependent. Consult manufacturer's hardware
194 manual for more details.
195 </para>
196
197 <informaltable frame="none">
198 <tgroup cols="3">
199 <colspec colwidth="0.6in">
200 <colspec colwidth="0.6in">
201 <colspec colwidth="3.8in">
202 <tbody>
203 <row>
204 <entry>$F0</entry>
205 <entry>240</entry>
206 <entry>UNIT ERROR - device unit does not exist.</entry></row>
207 <row>
208 <entry>$F1</entry>
209 <entry>241</entry>
210 <entry>SECTOR ERROR - sector number is out of range.</entry></row>
211 <row>
212 <entry>$F2</entry>
213 <entry>242</entry>
214 <entry>WRITE PROTECT - device is write protected.</entry></row>
215 <row>
216 <entry>$F3</entry>
217 <entry>243</entry>
218 <entry>CRC ERROR - CRC error on read or write verify.</entry></row>
219 <row>
220 <entry>$F4</entry>
221 <entry>244</entry>
222 <entry>READ ERROR - Data transfer error during disk read
223 operation, or SCF (terminal) input buffer overrun.</entry></row>
224 <row>
225 <entry>$F5</entry>
226 <entry>245</entry>
227 <entry>WRITE ERROR - hardware error during disk write operation.</entry></row>
228 <row>
229 <entry>$F6</entry>
230 <entry>246</entry>
231 <entry>NOT READY - device has "not ready" status.</entry></row>
232 <row>
233 <entry>$F7</entry>
234 <entry>247</entry>
235 <entry>SEEK ERROR - physical seek to non-existant sector.</entry></row>
236 <row>
237 <entry>$F8</entry>
238 <entry>248</entry>
239 <entry>MEDIA FULL - insufficient free space on media.</entry></row>
240 <row>
241 <entry>$F9</entry>
242 <entry>249</entry>
243 <entry>WRONG TYPE - attempt to read incompatible media (i.e.
244 attempt to read double-side disk on single-side drive)</entry></row>
245 <row>
246 <entry>$FA</entry>
247 <entry>250</entry>
248 <entry>DEVICE BUSY - non-sharable device is in use</entry></row>
249 <row>
250 <entry>$FB</entry>
251 <entry>251</entry>
252 <entry>DISK ID CHANGE - Media was changed with files open</entry></row>
253 <row>
254 <entry>$FC</entry>
255 <entry>252</entry>
256 <entry>RECORD IS LOCKED-OUT - Another process is accessing the
257 requested record.</entry></row>
258 <row>
259 <entry>$FD</entry>
260 <entry>253</entry>
261 <entry>NON-SHARABLE FILE BUSY - Another process is accessing the
262 requested file.</entry></row>
263 </tbody>
264 </tgroup>
265 </informaltable>
266 </section>
267 </appendix>