linux-kernel - Re: x86_64 arch+SMP ON+linux-2.6.32.46+E1000+KGDBOE = Timed out. Ignoring packet error, continuing...

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Date:	Wed, 8 Feb 2012 09:52:51 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	Naresh Bhat <nareshgbhat@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: x86_64 arch+SMP ON+linux-2.6.32.46+E1000+KGDBOE = Timed out.
 Ignoring packet error, continuing...

On Tue, Feb 07, 2012 at 09:38:49PM +0530, Naresh Bhat wrote:
> Hi,
> 
> I am trying KGDBOE on the following kernel

Is KGDBOE supported by upstream? Actually I don't find it
in the source tree.

Thanks,
Yong

> 
> Kernel    -   linux-2.6.32.46 (With SMP set)
> Hardware -  x86 64bit machine (Intel Nehlaum)
> Ethernet   - E1000 driver is used
> 
> But I am getting the following error
> 
> ........
> ............
> .................
> Breakpoint 2, sys_sync () at fs/sync.c:130
> 130        wakeup_flusher_threads(0);
> (gdb) s
> wakeup_flusher_threads (nr_pages=0) at fs/fs-writeback.c:1005
> 1005    {
> (gdb) s
> 
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> 
> 
> Detailed logs with debug set :
> -----------------------------------------
> 
> ...................
> ................................
> .......................................
> Sending packet: $z0,ffffffff810ad687,1#66...Ack
> Packet received: OK
> target_remove_breakpoint (0x810ad687, xxx) = 0
> target_terminal_ours ()
> kgdb_register_io_module (new_kgdb_io_ops=0xffffffff81a9d5b0) at
> kernel/kgdb.c:1778
> 1778    }
> (gdb) n
> Sending packet: $Z0,ffffffff810ad687,1#46...Ack
> Packet received: OK
> target_insert_breakpoint (0x810ad687, xxx) = 0
> target_terminal_inferior ()
> Sending packet: $s#73...Ack
> target_resume (-1, step, 0)
> Packet received: T05thread:0000000000000001;
> target_wait (-1, status) = 42000,   status->kind = stopped, signal = SIGTRAP
> target_thread_architecture (Thread 1) = 0xa2e45c0 [i386:x86-64]
> Sending packet: $g#67...Ack
> Packet received:
> 0000000000000000b0d5a981ffffffffffffffff00000000ffffffff0000000086020000000000004602000000000000b07e0b2f0088ffffa87e0b2f0088ffff000000000000000058f8b081ffffffff507d0b2f0088ffff18b20681ffffffff000000000000000008000000000000000800000000000000b0610300000000005cda0a81ffffffff820300001000000018000000
> target_fetch_registers (rip) = 5cda0a81ffffffff 0xffffffff810ada5c -2129995172
> target_stopped_by_watchpoint () = 0
> target_terminal_inferior ()
> Sending packet: $s#73...Ack
> target_resume (-1, step, 0)
> Packet received: T05thread:0000000000000001;
> target_wait (-1, status) = 42000,   status->kind = stopped, signal = SIGTRAP
> target_thread_architecture (Thread 1) = 0xa2e45c0 [i386:x86-64]
> Sending packet: $g#67...Ack
> Packet received:
> 00000000000000000000000000000000ffffffff00000000ffffffff0000000086020000000000004602000000000000b07e0b2f0088ffffb07e0b2f0088ffff000000000000000058f8b081ffffffff507d0b2f0088ffff18b20681ffffffff000000000000000008000000000000000800000000000000b0610300000000005dda0a81ffffffff820300001000000018000000
> target_fetch_registers (rip) = 5dda0a81ffffffff 0xffffffff810ada5d -2129995171
> target_stopped_by_watchpoint () = 0
> target_terminal_inferior ()
> Sending packet: $s#73...Ack
> target_resume (-1, step, 0)
> Packet received: T05thread:0000000000000001;
> target_wait (-1, status) = 42000,   status->kind = stopped, signal = SIGTRAP
> target_thread_architecture (Thread 1) = 0xa2e45c0 [i386:x86-64]
> Sending packet: $g#67...Ack
> Packet received:
> 00000000000000000000000000000000ffffffff00000000ffffffff0000000086020000000000004602000000000000c07e0b2f0088ffffb87e0b2f0088ffff000000000000000058f8b081ffffffff507d0b2f0088ffff18b20681ffffffff000000000000000008000000000000000800000000000000b0610300000000005eda0a81ffffffff820300001000000018000000
> target_fetch_registers (rip) = 5eda0a81ffffffff 0xffffffff810ada5e -2129995170
> target_stopped_by_watchpoint () = 0
> target_terminal_inferior ()
> Sending packet: $s#73...Ack
> target_resume (-1, step, 0)
> Packet received: T05thread:0000000000000001;
> target_wait (-1, status) = 42000,   status->kind = stopped, signal = SIGTRAP
> target_thread_architecture (Thread 1) = 0xa2e45c0 [i386:x86-64]
> Sending packet: $g#67...Ack
> Packet received:
> 00000000000000000000000000000000ffffffff00000000ffffffff0000000086020000000000004602000000000000c07e0b2f0088ffffc07e0b2f0088ffff000000000000000058f8b081ffffffff507d0b2f0088ffff18b20681ffffffff000000000000000008000000000000000800000000000000b061030000000000180d3e81ffffffff820300001000000018000000
> target_fetch_registers (rip) = 180d3e81ffffffff 0xffffffff813e0d18 -2126639848
> target_stopped_by_watchpoint () = 0
> target_terminal_ours_for_output ()
> Sending packet: $mffffffff813e0d18,1#f8...Ack
> Packet received: 85
> remote:target_xfer_partial (2, (null), 0xbfe00edb, 0x0,
> 0xffffffff813e0d18, 1) = 1, bytes = 85
> Sending packet: $mffffffff813e0d18,1#f8...Ack
> Packet received: 85
> remote:target_xfer_partial (2, (null), 0xbfe00edb, 0x0,
> 0xffffffff813e0d18, 1) = 1, bytes = 85
> Sending packet: $mffff88002f0b7ec0,40#be...Ack
> Packet received:
> e07e0b2f0088ffff510d3e81ffffffff0800000000000000380d3e81ffffffff107f0b2f0088ffff5fa00081ffffffff107f0b2f0088ffffb0bcb881ffffffff
> remote:target_xfer_partial (3, (null), 0xa944050, 0x0,
> 0xffff88002f0b7ec0, 64) = 64, bytes =
>  e0 7e 0b 2f 00 88 ff ff 51 0d 3e 81 ff ff ff ff ...
> remote:target_xfer_partial (4, (null), 0xa944030, 0x0,
> 0xffff88002f0b7ec8, 8) = 8, bytes =
>  51 0d 3e 81 ff ff ff ff
> remote:target_xfer_partial (4, (null), 0xa944030, 0x0,
> 0xffff88002f0b7ec0, 8) = 8, bytes =
>  e0 7e 0b 2f 00 88 ff ff
> target_terminal_inferior ()
> Sending packet: $s#73...Ack
> target_resume (-1, step, 0)
> Packet received: T05thread:0000000000000001;
> target_wait (-1, status) = 42000,   status->kind = stopped, signal = SIGTRAP
> target_thread_architecture (Thread 1) = 0xa2e45c0 [i386:x86-64]
> Sending packet: $g#67...Ack
> Packet received:
> 00000000000000000000000000000000ffffffff00000000ffffffff0000000086020000000000004602000000000000c07e0b2f0088ffffc07e0b2f0088ffff000000000000000058f8b081ffffffff507d0b2f0088ffff18b20681ffffffff000000000000000008000000000000000800000000000000b0610300000000001a0d3e81ffffffff460300001000000018000000
> target_fetch_registers (rip) = 1a0d3e81ffffffff 0xffffffff813e0d1a -2126639846
> target_stopped_by_watchpoint () = 0
> target_terminal_inferior ()
> Sending packet: $s#73...Ack
> target_resume (-1, step, 0)
> Packet received: T05thread:0000000000000001;
> target_wait (-1, status) = 42000,   status->kind = stopped, signal = SIGTRAP
> target_thread_architecture (Thread 1) = 0xa2e45c0 [i386:x86-64]
> Sending packet: $g#67...Sending packet: $g#67...Sending packet:
> $g#67...Sending packet: $g#67...Timed out.
> Timed out.
> Timed out.
> Ignoring packet error, continuing...
> Bad register packet; fetching a new packet
> Timed out.
> Timed out.
> Timed out.
> Ignoring packet error, continuing...
> Bad register packet; fetching a new packet
> Timed out.
> Timed out.
> Timed out.
> Ignoring packet error, continuing...
> Bad register packet; fetching a new packet
> Timed out.
> ..........................
> .................................
> 
> 
> Please help me to identify any available patch in kernel.org or any
> guidance to fix the above error.  I will really appreciate your help
> on this.
> 
> 
> -- Thanks and Regards
> "For things to change, we must change"
> -Naresh Bhat
> --
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