From: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
To: ilpo.jarvinen@helsinki.fi
Cc: Andrew Morton <akpm@linux-foundation.org>,
netdev@vger.kernel.org, David Miller <davem@davemloft.net>,
krkumar2@in.ibm.com, LKML <linux-kernel@vger.kernel.org>,
Andy Whitcroft <apw@shadowen.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: 2.6.24-rc8-mm1 Badness at net/ipv4/tcp_input.c:2506
Date: Thu, 24 Jan 2008 12:14:19 +0530 [thread overview]
Message-ID: <479833C3.6090905@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080117023514.9df393cf.akpm@linux-foundation.org>
Hi,
The following call trace is seen in the 2.6.24-rc8-mm1 kernel, which is same as one of
the call trace you have given a debug patch at http://marc.info/?l=linux-netdev&m=120107165228368&w=2
i was not able to apply the debug patch, can you kindly rebase the patch for 2.6.24-rc8-mm1 or let
me know, if i can help you in debugging this call trace.
Jan 24 11:13:57 p55lp6 kernel: [60656.708573] Badness at net/ipv4/tcp_input.c:2506
Jan 24 11:13:57 p55lp6 kernel: [60656.708583] NIP: c0000000003776e0 LR: c0000000003776a8 CTR: c0000000003aaf8c
Jan 24 11:13:57 p55lp6 kernel: [60656.708597] REGS: c00000000f6f34a0 TRAP: 0700 Not tainted (2.6.24-rc8-mm1)
Jan 24 11:13:57 p55lp6 kernel: [60656.708608] MSR: 8000000000029032 <EE,ME,IR,DR> CR: 24000088 XER: 00000018
Jan 24 11:13:57 p55lp6 kernel: [60656.708636] TASK = c000000000571710[0] 'swapper' THREAD: c000000000670000 CPU: 0
Jan 24 11:13:57 p55lp6 kernel: [60656.708648] GPR00: 00000000fffffffc c00000000f6f3720 c000000000664ab0 0000000000000000
Jan 24 11:13:57 p55lp6 kernel: [60656.708663] GPR04: 0000000000000001 000000000000040e 00000000000000d0 0000000000000000
Jan 24 11:13:57 p55lp6 kernel: [60656.708677] GPR08: 0000000000000000 00000000001bce5f 0000000000000001 fffffffffffffffc
Jan 24 11:13:57 p55lp6 kernel: [60656.708690] GPR12: c00000000f6f34f0 c000000000572180 0000000000000000 0000000000000004
Jan 24 11:13:57 p55lp6 kernel: [60656.708704] GPR16: 0000000000000001 000000003e3133e9 0000000000000402 000000000000011f
Jan 24 11:13:57 p55lp6 kernel: [60656.708718] GPR20: 000000000000011f 0000000000000004 0000000000000002 000000003e3133e9
Jan 24 11:13:57 p55lp6 kernel: [60656.708732] GPR24: c00000004c09fe80 0000000000000000 0000000000000000 000000000000040e
Jan 24 11:13:57 p55lp6 kernel: [60656.708745] GPR28: 0000000000000002 000000000000040e c000000000628570 c0000001791ff8d8
Jan 24 11:13:57 p55lp6 kernel: [60656.708760] NIP [c0000000003776e0] .tcp_fastretrans_alert+0xfc/0xe20
Jan 24 11:13:58 p55lp6 kernel: [60656.708778] LR [c0000000003776a8] .tcp_fastretrans_alert+0xc4/0xe20
Jan 24 11:13:58 p55lp6 kernel: [60656.708792] Call Trace:
Jan 24 11:13:58 p55lp6 kernel: [60656.708799] [c00000000f6f3720] [c000000000628570] 0xc000000000628570 (unreliable)
Jan 24 11:13:58 p55lp6 kernel: [60656.708819] [c00000000f6f37d0] [c00000000037a3b0] .tcp_ack+0xf34/0x10e4
Jan 24 11:13:58 p55lp6 kernel: [60656.708836] [c00000000f6f3920] [c00000000037dce8] .tcp_rcv_established+0x114/0x8a8
Jan 24 11:13:58 p55lp6 kernel: [60656.708854] [c00000000f6f39d0] [c00000000038599c] .tcp_v4_do_rcv+0x5c/0x260
Jan 24 11:13:58 p55lp6 kernel: [60656.708871] [c00000000f6f3a90] [c000000000387c24] .tcp_v4_rcv+0x8a0/0x93c
Jan 24 11:13:58 p55lp6 kernel: [60656.708888] [c00000000f6f3b50] [c000000000363fec] .ip_local_deliver_finish+0x164/0x284
Jan 24 11:13:58 p55lp6 kernel: [60656.709148] [c00000000f6f3be0] [c000000000363df8] .ip_rcv_finish+0x480/0x510
Jan 24 11:13:58 p55lp6 kernel: [60656.709165] [c00000000f6f3ca0] [c000000000332438] .netif_receive_skb+0x564/0x630
Jan 24 11:13:58 p55lp6 kernel: [60656.709184] [c00000000f6f3d70] [d0000000001e2630] .ibmveth_poll+0x238/0x3b4 [ibmveth]
Jan 24 11:13:58 p55lp6 kernel: [60656.709208] [c00000000f6f3e30] [c0000000003354c4] .net_rx_action+0x118/0x2e4
Jan 24 11:13:58 p55lp6 kernel: [60656.709226] [c00000000f6f3ef0] [c00000000007ca30] .__do_softirq+0xa8/0x164
Jan 24 11:13:58 p55lp6 kernel: [60656.709244] [c00000000f6f3f90] [c00000000002b7f8] .call_do_softirq+0x14/0x24
Jan 24 11:13:58 p55lp6 kernel: [60656.709262] [c000000000673920] [c00000000000bf74] .do_softirq+0x74/0xc0
Jan 24 11:13:58 p55lp6 kernel: [60656.709280] [c0000000006739b0] [c00000000007cb84] .irq_exit+0x54/0x6c
Jan 24 11:13:58 p55lp6 kernel: [60656.709297] [c000000000673a30] [c00000000000c954] .do_IRQ+0x1b8/0x200
Jan 24 11:13:58 p55lp6 kernel: [60656.709314] [c000000000673ae0] [c000000000004c18] hardware_interrupt_entry+0x18/0x1c
Jan 24 11:13:58 p55lp6 kernel: [60656.709332] --- Exception: 501 at .local_irq_restore+0x3c/0x40
Jan 24 11:13:58 p55lp6 kernel: [60656.709349] LR = .cpu_idle+0x13c/0x240
Jan 24 11:13:58 p55lp6 kernel: [60656.709357] [c000000000673dd0] [c0000000000123c8] .cpu_idle+0x130/0x240 (unreliable)
Jan 24 11:13:58 p55lp6 kernel: [60656.709377] [c000000000673e60] [c000000000009718] .rest_init+0x78/0x90
Jan 24 11:13:58 p55lp6 kernel: [60656.709394] [c000000000673ee0] [c0000000004d09dc] .start_kernel+0x3e8/0x40c
Jan 24 11:13:58 p55lp6 kernel: [60656.709412] [c000000000673f90] [c000000000008580] .start_here_common+0x54/0xd4
Jan 24 11:13:58 p55lp6 kernel: [60656.709429] Instruction dump:
Jan 24 11:13:58 p55lp6 kernel: [60656.709437] 419e0010 38000000 901f06ac 48000010 801f06ac 2f800000 409e0014 801f06b0
Jan 24 11:13:58 p55lp6 kernel: [60656.709464] 38800001 2f800000 409e0008 38800000 <0b040000> e87e80b0 4be81355 60000000
(gdb) p tcp_fastretrans_alert
$1 = {void (struct sock *, int, int)} 0x1ec0 <tcp_fastretrans_alert>
(gdb) p/x 0x1ec0+0xc4
$2 = 0x1f84
(gdb) l *0x1f84
0x1f84 is in tcp_fastretrans_alert (net/ipv4/tcp_input.c:2504).
2499 int is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP));
2500 int do_lost = is_dupack || ((flag & FLAG_DATA_SACKED) &&
2501 (tcp_fackets_out(tp) > tp->reordering));
2502 int fast_rexmit = 0;
2503
2504 if (WARN_ON(!tp->packets_out && tp->sacked_out))
2505 tp->sacked_out = 0;
2506 if (WARN_ON(!tp->sacked_out && tp->fackets_out))
2507 tp->fackets_out = 0;
2508
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
next prev parent reply other threads:[~2008-01-24 6:44 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-17 10:35 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 12:41 ` 2.6.24-rc8-mm1 Build Failure on S390x Kamalesh Babulal
2008-01-17 14:05 ` Martin Schwidefsky
2008-01-17 12:46 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 18:40 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 19:22 ` 2.6.24-rc8-mm1 Pallipadi, Venkatesh
2008-01-17 19:40 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 19:47 ` [E1000-devel] 2.6.24-rc8-mm1 Brandeburg, Jesse
2008-01-17 23:33 ` 2.6.24-rc8-mm1 Venki Pallipadi
2008-01-17 23:04 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-18 1:42 ` 2.6.24-rc8-mm1 Siddha, Suresh B
2008-01-18 5:06 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 20:25 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 13:21 ` [-mm Patch] UML: fix a building error WANG Cong
2008-01-17 17:59 ` Jeff Dike
2008-01-17 13:34 ` 2.6.24-rc8-mm1 Kamalesh Babulal
2008-01-17 14:26 ` 2.6.24-rc8-mm1 Ingo Molnar
2008-01-17 13:54 ` 2.6.24-rc8-mm1 kernel panic while bootup Kamalesh Babulal
2008-01-17 18:54 ` Andrew Morton
2008-01-17 19:00 ` Randy Dunlap
2008-01-20 6:24 ` Kamalesh Babulal
2008-01-20 7:17 ` Andrew Morton
2008-01-17 13:56 ` [-mm Patch] uml: fix a building error WANG Cong
2008-01-17 17:59 ` Jeff Dike
2008-01-17 18:11 ` Mariusz Kozlowski
2008-01-17 18:56 ` Andrew Morton
2008-01-17 19:38 ` Pallipadi, Venkatesh
2008-01-17 19:44 ` Andrew Morton
2008-01-17 20:42 ` Mariusz Kozlowski
2008-01-17 21:14 ` Jeff Dike
2008-01-17 21:41 ` Venki Pallipadi
2008-01-17 23:08 ` Jeff Dike
2008-01-17 23:17 ` Pallipadi, Venkatesh
2008-01-18 2:19 ` Jeff Dike
2008-01-17 18:56 ` Jeff Dike
2008-01-17 15:23 ` do_md_run returned -22 [Was: 2.6.24-rc8-mm1] Jiri Slaby
2008-01-17 19:01 ` Andrew Morton
2008-01-17 23:15 ` Neil Brown
2008-01-17 16:15 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Kamalesh Babulal
2008-01-17 19:11 ` Andrew Morton
2008-01-18 0:53 ` [PATCH] aha152x: fix isa/pcmcia compile problem Tejun Heo
2008-01-18 6:29 ` Kamalesh Babulal
2008-01-18 6:37 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Kamalesh Babulal
2008-01-18 7:20 ` [PATCH] SCSI: fix isa/pcmcia compile problem Tejun Heo
2008-01-18 7:30 ` Kamalesh Babulal
2008-01-18 14:58 ` James Bottomley
2008-01-18 23:27 ` Tejun Heo
2008-01-18 23:28 ` Tejun Heo
2008-01-18 23:32 ` James Bottomley
2008-01-18 23:46 ` Tejun Heo
2008-01-18 23:47 ` James Bottomley
2008-01-18 23:54 ` Tejun Heo
2008-01-21 9:56 ` Christoph Hellwig
2008-01-21 14:59 ` James Bottomley
2008-01-18 7:27 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Andrew Morton
2008-01-17 16:48 ` 2.6.24-rc8-mm1 (BUG: sched_rt) Randy Dunlap
2008-01-17 17:11 ` Peter Zijlstra
2008-01-17 18:05 ` Randy Dunlap
2008-01-17 19:14 ` Randy Dunlap
2008-01-17 19:38 ` Andrew Morton
2008-01-17 17:15 ` Peter Zijlstra
2008-01-17 17:28 ` x86 refuses to build [Re: 2.6.24-rc8-mm1] Dhaval Giani
2008-01-17 18:44 ` Dhaval Giani
2008-01-18 8:59 ` Ingo Molnar
2008-01-18 16:16 ` Mike Travis
2008-01-17 18:13 ` 2.6.24-rc8-mm1: broken suspend Rafael J. Wysocki
2008-01-17 18:18 ` 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: field 'partition' has incomplete type Mariusz Kozlowski
2008-01-17 19:27 ` Andrew Morton
2008-01-17 19:06 ` 2.6.24-rc8-mm1 powerpc build errors Olof Johansson
2008-01-17 19:35 ` Andrew Morton
2008-01-17 22:00 ` Greg KH
2008-01-17 21:10 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-18 1:29 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-18 5:08 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-18 13:55 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-17 21:29 ` 2.6.24-rc8-mm1 - mkubootimg wants <zlib.h> Joseph Fannin
2008-01-17 22:21 ` Josh Boyer
2008-01-17 22:15 ` 2.6.24-rc8-mm1: powerpc oopses Mariusz Kozlowski
2008-01-17 22:51 ` Andrew Morton
2008-01-17 23:39 ` Matt Mackall
2008-01-18 0:05 ` Andrew Morton
2008-01-18 0:12 ` Matt Mackall
2008-01-18 0:29 ` Andrew Morton
2008-01-18 0:47 ` Matt Mackall
2008-01-18 1:07 ` Andrew Morton
2008-01-18 1:16 ` Matt Mackall
2008-01-18 17:23 ` Mariusz Kozlowski
2008-01-18 17:33 ` Matt Mackall
2008-01-18 6:14 ` 2.6.24-rc8-mm1 Build Failure at scripts/mkubooting/crc32.c Kamalesh Babulal
2008-01-18 8:06 ` Sam Ravnborg
2008-01-20 15:30 ` Mel Gorman
2008-01-18 7:09 ` 2.6.24-rc8-mm1 build failure on headers_check Kamalesh Babulal
2008-01-18 7:38 ` Andrew Morton
2008-01-18 8:36 ` 2.6.24-rc8-mm1 Kernel oops will running kernbench Kamalesh Babulal
2008-01-18 8:44 ` Andrew Morton
2008-01-18 9:01 ` Paul Mackerras
2008-01-18 9:34 ` Kamalesh Babulal
2008-01-18 10:19 ` Paul Mackerras
2008-01-18 10:26 ` Paul Mackerras
2008-01-18 10:44 ` Kamalesh Babulal
2008-01-18 10:54 ` Balbir Singh
2008-01-25 6:05 ` 2.6.24 Kernel oops will running kernbench regression from 2.6.24-rc8-mm1 Kamalesh Babulal
2008-01-18 13:34 ` 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch) Rafael J. Wysocki
2008-01-18 16:53 ` Dave Jones
2008-01-18 17:10 ` Dave Jones
2008-01-18 20:50 ` Rafael J. Wysocki
2008-01-18 21:55 ` Rafael J. Wysocki
2008-01-18 17:26 ` 2.6.24-rc8-mm1 (KVM build issues) Balbir Singh
2008-01-22 8:40 ` Andrew Morton
2008-01-18 18:06 ` 2.6.24-rc8-mm1 Kyle McMartin
2008-01-20 1:10 ` 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device() on HP nx6325 Rafael J. Wysocki
2008-01-20 10:24 ` Ingo Molnar
2008-01-20 11:21 ` Rafael J. Wysocki
2008-01-20 16:31 ` 2.6.24-rc8-mm1 Mel Gorman
2008-01-20 16:35 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-20 18:24 ` 2.6.24-rc8-mm1 Mel Gorman
2008-01-21 18:31 ` 2.6.24-rc8-mm1 - SELinux issues Valdis.Kletnieks
2008-01-21 18:53 ` [PATCH} 2.6.24-rc8-mm1 - x86_64 PAT issues with vesafb and NVidia cards Valdis.Kletnieks
2008-01-22 20:30 ` 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __fput+0x1a8/0x1e0() Mariusz Kozlowski
2008-01-22 21:02 ` Andrew Morton
2008-01-22 22:28 ` Dave Hansen
2008-01-22 23:13 ` Dave Hansen
2008-01-23 5:47 ` Christoph Hellwig
2008-02-01 23:34 ` Andrew Morton
2008-01-24 6:09 ` 2.6.24-rc8-mm1 Kernel oops on CIFS while running fsstress Kamalesh Babulal
2008-01-24 6:44 ` Kamalesh Babulal [this message]
2008-01-25 0:04 ` 2.6.24-rc8-mm1: old sparc64 bug Mariusz Kozlowski
2008-01-25 17:11 ` Takashi Iwai
2008-01-25 18:34 ` Mariusz Kozlowski
2008-01-28 11:55 ` Takashi Iwai
2008-01-28 22:13 ` Mariusz Kozlowski
2008-01-25 21:59 ` 2.6.24-rc8-mm1 Torsten Kaiser
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=479833C3.6090905@linux.vnet.ibm.com \
--to=kamalesh@linux.vnet.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=apw@shadowen.org \
--cc=balbir@linux.vnet.ibm.com \
--cc=davem@davemloft.net \
--cc=ilpo.jarvinen@helsinki.fi \
--cc=krkumar2@in.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).