Under padsp mikmod returns buffinf.fragments = -1; buffinf.bytes = -65535.
(Buggy oss emulation layer?)
diff --git a/drivers/drv_oss.c b/drivers/drv_oss.c
index 27766f2..74864c2 100644
--- a/drivers/drv_oss.c
+++ b/drivers/drv_oss.c
@@ -327,7 +327,7 @@ static void OSS_Update(void)
 			buffinf.fragments--;
 			buffinf.fragsize = buffinf.bytes = buffersize;
 		}
-		if(!buffinf.fragments)
+		if(buffinf.fragments < 1)
 			break;
 		done=VC_WriteBytes(audiobuffer,buffinf.fragsize>buffinf.bytes?
 						   buffinf.bytes:buffinf.fragsize);