[Kgdb-bugreport] About kgdb some questions

2008-03-24 Thread Josh Zhao
Hi everyone, I have some questions after reading kgdb patch, 1. Does it have porting guide? 2. Kgdb will process the data that host kgdb sent, so where is the protocol specification? 3.Why I haven't seen about software breakpint implemention on arch-kgdb(arch/blackfin/kernel),only hw bre

Re: [Kgdb-bugreport] [PATCH 1/2] prevent Slave CPUs hang on exit

2008-03-24 Thread Amit S. Kale
On Monday 24 March 2008 07:18:51 pm Jason Wessel wrote: > Amit S. Kale wrote: > > On Monday 17 March 2008 11:55:28 pm Konstantin Baydarov wrote: > >> Problem: > >> Sometimes(after remote gdb was connected) x86 SMP kernel(with KGDB and > >> NMI watchdog enabled) hangs when kernel modules are automat

Re: [Kgdb-bugreport] [PATCH 1/2] prevent Slave CPUs hang on exit

2008-03-24 Thread Jason Wessel
Amit S. Kale wrote: > On Monday 17 March 2008 11:55:28 pm Konstantin Baydarov wrote: > >> Problem: >> Sometimes(after remote gdb was connected) x86 SMP kernel(with KGDB and NMI >> watchdog enabled) hangs when kernel modules are automatically loaded. >> > > Konstantin, > > The description be

Re: [Kgdb-bugreport] [PATCH 1/2] prevent Slave CPUs hang on exit

2008-03-24 Thread Amit S. Kale
On Monday 17 March 2008 11:55:28 pm Konstantin Baydarov wrote: > Problem: > Sometimes(after remote gdb was connected) x86 SMP kernel(with KGDB and NMI > watchdog enabled) hangs when kernel modules are automatically loaded. Konstantin, The description below doesn't mention how module loading comes

Re: [Kgdb-bugreport] CTRL+C not working for at91rm9200-ek board

2008-03-24 Thread Himanshu Chauhan
Jason Wessel wrote: > Himanshu Chauhan wrote: > >> Dear all, >> >> After making Linux kernel use the DTE port for standard I/O and writing >> a KGDB stub driver for the on board DBGU port, I am finally able to >> connect to kgdb on my at91rm9200-ek board. When I pass kgdbwait as >> parameter

Re: [Kgdb-bugreport] CTRL+C not working for at91rm9200-ek board

2008-03-24 Thread Jason Wessel
Himanshu Chauhan wrote: > Dear all, > > After making Linux kernel use the DTE port for standard I/O and writing > a KGDB stub driver for the on board DBGU port, I am finally able to > connect to kgdb on my at91rm9200-ek board. When I pass kgdbwait as > parameter, kernel stops after "Uncompressi

Re: [Kgdb-bugreport] MIPS KGDB enables interrupt too early

2008-03-24 Thread Jason Wessel
Sergei Shtylyov wrote: > Hello all. > > The issue I have discovered while fitting Alchemy KGDB driver into 2.6.24 > is that the following MIPS KGDB code from arch/mips/kernel/kgdb.c: > > void handle_exception(struct pt_regs *regs) > { > [...] > /* In SMP mode, __flush_cache_all does IP

[Kgdb-bugreport] CTRL+C not working for at91rm9200-ek board

2008-03-24 Thread Himanshu Chauhan
Dear all, After making Linux kernel use the DTE port for standard I/O and writing a KGDB stub driver for the on board DBGU port, I am finally able to connect to kgdb on my at91rm9200-ek board. When I pass kgdbwait as parameter, kernel stops after "Uncompressing Linux Booting Linux." and I