呵呵,谢谢~ 2.6.32-131.2.1.x86_64 Yu 于 2011年06月15日 14:10, Hui Zhu 写道: > 貌似是个互相不兼容造成的诡异BUG KGDB在遇到自己不支持的包的时候 没有按照标准回空啊 > > 能不能告诉一下我 "uname -r" 后的版本号 > > Dongdong, 能帮我看下kgdb是否现在还有这个问题么? > > 不过不管是哪边的问题,回头我会专门为这个问题发的PATCH并且集成到PPA里。多谢汇报。 > > Hui > > 2011/6/15 Li Yu <raise.sail@xxxxxxxxx>: >> $ sudo gdb-7.3 vmlinux >> GNU gdb (GDB) 7.2.90.20110607-cvs-ubuntu >> Copyright (C) 2011 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. Type "show copying" >> and "show warranty" for details. >> This GDB was configured as "x86_64-linux-gnu". >> For bug reporting instructions, please see: >> <http://www.gnu.org/software/gdb/bugs/>... >> Reading symbols from >> /tmp/1/home/sailor/src/linux-2.6.32-131.2.1.el6.x86_64.orig/vmlinux...done. >> (gdb) set remotebaud 115200 >> (gdb) set debug remote 1 >> (gdb) target remote /dev/ttyUSB0 >> Remote debugging using /dev/ttyUSB0 >> Sending packet: $qSupported:xmlRegisters=i386;qRelocInsn+#25...Ack >> Packet received: >> Packet qSupported (supported-packets) is NOT supported >> Sending packet: $Hg0#df...Ack >> Packet received: OK >> Sending packet: $?#3f...Ack >> Packet received: S05 >> Sending packet: $Hc-1#09...Ack >> Packet received: OK >> Sending packet: $qC#b4...Ack >> Packet received: QC0000000000002309 >> Sending packet: $qAttached#8f...Ack >> Packet received: >> Packet qAttached (query-attached) is NOT supported >> Sending packet: $qOffsets#4b...Ack >> Packet received: >> Sending packet: $g#67...Ack >> Packet received: >> 2300000000000000e08e7381ffffffff0353000000000000000000000000000046000000000000004600000000000000585e9c6b0088ffff585e9c6b0088ffff0000000000000000c0e98881ffffffff000000000000000001000000000000000000000000000000670000000000000000000000000000000600000000000000f7cc0c81ffffffff960000001000000018000000 >> Sending packet: $mffffffff810cccf7,1#59...Ack >> Packet received: 0f >> Sending packet: $mffffffff810cccf7,1#59...Ack >> Packet received: 0f >> kgdb_breakpoint () at kernel/kgdb.c:1721 >> 1721 wmb(); /* Sync point after breakpoint */ >> Sending packet: $qSymbol::#5b...Ack >> Packet received: >> Packet qSymbol (symbol-lookup) is NOT supported >> Sending packet: $qTStatus#49...Ack >> Packet received: E22 >> trace API error 0x2. >> (gdb) bt >> No stack. >> (gdb) >> >> 内核是RHEL6u1的内核(可以从redhat的FTP下载到源码包),在RHEL5u4上编译的,加了一些补丁,但这些补丁没有改内核的核心部分,多是一些驱动的,都与kgdb无关。 >> >> Yu >> >> 于 2011年06月15日 13:20, Hui Zhu 写道: >>> 能贴出点详细信息么 >>> >>> 比如你用什么kernel >>> >>> 在连以前 先用一下 set debug remote 1 >>> >>> 然后再连一下 把输出的信息贴一下 多谢 >>> >>> 2011/6/15 Li Yu <raise.sail@xxxxxxxxx>: >>>> >>>> 应该是没有的,它只是一个gdbserver in kernel吧,我看代码里也没有什么处理tracepoint的地方。 >>>> 我用target remote /dev/ttyUSB0,之后就出了这么个提示,这时gdb并没有attach上remote target。 >>>> >>>> 但ubuntu 10.04自己带的gdb是OK的。 >>>> >>>> Yu >>>> >>>> 于 2011年06月15日 11:44, Hui Zhu 写道: >>>>> KGDB有trace功能? >>>>> >>>>> 2011/6/15 Li Yu <raise.sail@xxxxxxxxx>: >>>>>> >>>>>> 试了试用gdb-7.3/ubuntu-10.04,对RHEL6u1的内核做KGDB,不工作。。。。。。 >>>>>> >>>>>> 提示:trace API error 0x2. >>>>>> >>>>>> Yu >>>>>> >>>>>> 于 2011年06月05日 07:04, Hui Zhu 写道: >>>>>>> 我倒是不介意同样也弄个fc的 不过不知道FC有没有类似ubuntu ppa这种东西 >>>>>>> >>>>>>> 2011/6/4 PcX <xunxun1982@xxxxxxxxx>: >>>>>>>> 于 2011/6/4 22:35, Hui Zhu 写道: >>>>>>>> >>>>>>>> GDB和UBUNTU用户们你们好, >>>>>>>> >>>>>>>> 也许你还在用7.2或者更老版本的GDB,这里面BUG成堆压根没人管了,或者很好用的GDB新功能你也用不上. >>>>>>>> 或者你要同时在好几个体系结构上工作例如ARM和MIPS,而你要针对每个体系结构编译一个GDB. >>>>>>>> >>>>>>>> 我开始在launchpad PPA上发布UBUNTU 10.04, 10.10, 11.04, >>>>>>>> 11.10(8.04还有点问题)可用的最新版本的GDB(7.3 和 7.3.5). >>>>>>>> 这些GDB的特点是: >>>>>>>> 1. GDB maintainer天天更新他们,他们有最新的功能和更快的BUG修复速度. >>>>>>>> 2. 他们都用"--enable-targets=all >>>>>>>> --enable-64-bit-bfd"选项编译,所以他们支持GDB支持的所有体系结构,你可以本地调试也可以随时用他们调试远程的其他体系结构的程序. >>>>>>>> 3. 包名是"gdb-7.3" 和 "gdb-trunk"而 GDB程序的名称是"gdb-7.3"和 "gdb-7.3.5". >>>>>>>> 所以其不会影响你原来安装的GDB, 如果你在使用新版GDB的时候出现问题,随时可以换回老版本的GDB. >>>>>>>> >>>>>>>> 取得他们请访问下面的URL: >>>>>>>> https://launchpad.net/~teawater/+archive/gdb-10.04 >>>>>>>> https://launchpad.net/~teawater/+archive/gdb-10.10 >>>>>>>> https://launchpad.net/~teawater/+archive/gdb-11.04 >>>>>>>> https://launchpad.net/~teawater/+archive/gdb-11.10 >>>>>>>> >>>>>>>> 谢谢, >>>>>>>> teawater >>>>>>>> >>>>>>>> 支持 >>>>>>>> 可惜我在用Fedora...... >>>>>>>> >>>>>> >>>> >>