Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755541Ab2BHHzN (ORCPT ); Wed, 8 Feb 2012 02:55:13 -0500 Received: from mail-qy0-f174.google.com ([209.85.216.174]:40928 "EHLO mail-qy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754824Ab2BHHzL (ORCPT ); Wed, 8 Feb 2012 02:55:11 -0500 Date: Wed, 8 Feb 2012 15:54:51 +0800 From: Yong Zhang To: Naresh Bhat Cc: linux-kernel@vger.kernel.org Subject: Re: x86_64 arch+SMP ON+linux-2.6.32.46+E1000+KGDBOE = Timed out. Ignoring packet error, continuing... Message-ID: <20120208075451.GB19691@zhy> Reply-To: Yong Zhang References: <20120208015251.GA4927@zhy> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9333 Lines: 222 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 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@vger.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@vger.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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/