debug 出来了，是使用tmpfs做版面已读标记检查的时候出错的
出错源代码为止如下:
for (n = 0; n < BRC_MAXNUM; n++) {
>>>> if (brc_cache_entry[brc_currcache].list[n] == 0) {
if (n == 0)
return 1;
return 0;
}
其中brc_cache_entry 为 0xfffffff。。。
brc_currcache = -1;
系统正常运行了大概有1个小时左右，实际需要使用的这段代码的用户大概
600左右，还有800多的www guest好像就不要使用这段代码了。
bt 如下:
(gdb) bt
#0 0x0808ce3b in brc_unread (fid=1) at boards.c:669
#1 0x080739ce in get_article_flag (ent=0x8173e50, user=0x406461f0,
boardname=0x41b96180 "BBS_DEV", is_bm=0) at article.c:1360
#2 0x08077ec2 in readdoent (buf=0xbfffe844 "[36mluohao\e[33m]", num=1, ent=0x8173e50,
readfh=0x0, conf=0xbfffecc8) at bbs.c:777
#3 0x080cec42 in read_show (conf=0xbfffecc8, pos=1) at newread.c:590
#4 0x080dd67b in show_item (conf=0xbfffecc8, item=1, clear=false) at select.c:91
#5 0x080dd775 in refresh_select (conf=0xbfffecc8) at select.c:115
#6 0x080ddc45 in do_select_internal (conf=0xbfffecc8, key=4100) at select.c:210
#7 0x080de596 in list_select (conf=0xbfffecc8, key=4100) at select.c:407
#8 0x080de91a in list_select_loop (conf=0xbfffecc8) at select.c:503
#9 0x080cf085 in new_i_read (cmdmode=DIR_MODE_NORMAL,
direct=0xbfffee48 "boards/BBS_DEV/.DIR", dotitle=0x8077884 <readtitle>,
doentry=0x8077e74 <readdoent>, rcmdlist=0x813f788, ssize=140) at newread.c:704
#10 0x08084ac8 in Read () at bbs.c:5662
#11 0x0808ffcd in fav_onselect (conf=0xbffff618) at boards_t.c:533
#12 0x080ddfde in do_select_internal (conf=0xbffff618, key=4099) at select.c:289
#13 0x080de728 in list_select (conf=0xbffff618, key=259) at select.c:443
#14 0x080de95b in list_select_loop (conf=0xbffff618) at select.c:507
#15 0x08091829 in choose_board (newflag=1, boardprefix=0x0, group=0, favmode=1)
at boards_t.c:1151
#16 0x08091ae9 in FavBoard () at boards_t.c:1211
#17 0x08099105 in domenu (menu_name=0x8134a68 "TOPMENU") at comm_lists.c:591
#18 0x080ccec4 in main_bbs (convit=0, argv=0xbffffefd "sshbbsd:luohao")
【 在 KCN (毒中之毒~最近忙死了) 的大作中提到: 】
: 无法进入是什么现象
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