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Message-ID: <20120208075451.GB19691@zhy>
Date:	Wed, 8 Feb 2012 15:54:51 +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 Wed, Feb 08, 2012 at 12:46:04PM +0530, Naresh Bhat wrote:
> Hi Yong,
> 
> Yes, I know they have removed the KGDBOE support. I have forward
> ported the patch to linux-2.6.32.46 kernel. I was just trying to
> understand this issue belongs to which of the category ?

Maybe you can try with other KGDB method to debug your system, like
KGDB_SERIAL_CONSOLE.
Thus you can narrow down your problem.

Thanks,
Yong

> 
> 1. Is there any issue with Ethernet driver E1000 issue ?
> 2. Is it belongs to KGDB ?
> 3. Is there any kernel SMP hang issue for x86 64bit architecture which
> is fixed in upstream kernel ?
> 4. None of the above and something else is broken ?
> 
> Is there any available patch ? any guidance to fix the error in E1000
> driver.  I will really appreciate your help.
> 
> Thanks and Regards
> -Naresh Bhat
> 
> On 2/8/12, Yong Zhang <yong.zhang0@...il.com> wrote:
> > 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
> >> --
> >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> >> the body of a message to majordomo@...r.kernel.org
> >> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >> Please read the FAQ at  http://www.tux.org/lkml/
> >
> > --
> > Only stand for myself
> >
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/

-- 
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