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Date: Wed, 13 Jan 2010 12:55:31 -0800
From: "Matt Carlson" <mcarlson@...adcom.com>
To: "Peter Rabbitson" <rabbit+list@...bit.us>
cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"Matthew Carlson" <mcarlson@...adcom.com>,
"Michael Chan" <mchan@...adcom.com>
Subject: Re: Reproducible corruption with SG offloading
While I think about this a little more can you try two things?
1) If you can, try moving the NIC to a different slot.
2) Try the following patch:
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 7f82b02..fa4c52e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7645,6 +7645,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
*/
tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)
+ tp->grc_mode |= GRC_MODE_FORCE_PCI32BIT;
+
tw32(GRC_MODE,
tp->grc_mode |
(GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
On Mon, Jan 11, 2010 at 04:22:51AM -0800, Peter Rabbitson wrote:
> I have the following card:
>
> 02:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5701 Gigabit Ethernet (rev 15)
> Subsystem: Compaq Computer Corporation NC7770 Gigabit Server Adapter (PCI-X, 10/100/1000-T)
> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> Latency: 64 (16000ns min), Cache Line Size: 64 bytes
> Interrupt: pin A routed to IRQ 24
> Region 0: Memory at fc5e0000 (64-bit, non-prefetchable) [size=64K]
> [virtual] Expansion ROM at fc5d0000 [disabled] [size=64K]
> Capabilities: [40] PCI-X non-bridge device
> Command: DPERE- ERO- RBC=512 OST=1
> Status: Dev=02:02.1 64bit+ 133MHz+ SCD- USC- DC=simple DMMRBC=512 DMOST=1 DMCRS=8 RSCEM- 266MHz- 533MHz-
> Capabilities: [48] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
> Capabilities: [50] Vital Product Data
> Product Name: HP NC7770 Gigabit Server Adapter
> Read-only fields:
> [PN] Part number: 284685-003
> [EC] Engineering changes: 0G
> [SN] Serial number: WEURE9FB68
> [MN] Manufacture ID: 30 45 31 31
> [RV] Reserved: checksum bad, 47 byte(s) reserved
> Read/write fields:
> [YA] Asset tag: Hewlett Packard
> [RW] Read-write area: 103 byte(s) free
> End
> Capabilities: [58] MSI: Enable- Count=1/8 Maskable- 64bit+
> Address: 00312230088fb704 Data: 0000
> Kernel driver in use: tg3
>
> When confronted with very specific repeatable data streams the card eventually
> starts setting garbage down the wire. If I do ethtool -k <ifname> sg off the
> problem disappears. Let me know if ou are interested in tracking this down,
> (whether software or hardware) otherwise I'll throw the card away and go with
> something else.
>
> Please CC me as I am not subscribed to netdev@
>
> This is my minimal test case with relevant data:
>
> Program
> ============
>
> #!/usr/bin/perl
> use warnings;
> use strict;
>
> use DBI;
> my $dbh = DBI->connect ('dbi:mysql:database=tst;host=192.168.5.2', 'stress', 123, { RaiseError => 1});
>
> for (1 .. 92) {
> $dbh->selectall_arrayref(q|SELECT `alias` FROM dbmail_aliases WHERE `alias` like "spam@...mple.com"|);
> }
>
> tcpdump at the machine with the card in question
> ======================================
>
> 00000000 d4 c3 b2 a1 02 00 04 00 00 00 00 00 00 00 00 00 |................|
> 00000010 ff ff 00 00 01 00 00 00 7d 16 4b 4b b2 1a 06 00 |........}.KK....|
> 00000020 4a 00 00 00 4a 00 00 00 00 30 48 67 c2 1c 00 11 |J...J....0Hg....|
> 00000030 0a e9 fb 68 08 00 45 00 00 3c e9 c3 40 00 40 06 |...h..E..<..@.@.|
> 00000040 c5 a4 c0 a8 05 01 c0 a8 05 02 95 30 0c ea 31 99 |...........0..1.|
> 00000050 f8 84 00 00 00 00 a0 02 16 d0 c5 ed 00 00 02 04 |................|
> 00000060 05 b4 04 02 08 0a 02 70 11 47 00 00 00 00 01 03 |.......p.G......|
> 00000070 03 06 7d 16 4b 4b 5c 1b 06 00 4a 00 00 00 4a 00 |..}.KK\...J...J.|
> 00000080 00 00 00 11 0a e9 fb 68 00 30 48 67 c2 1c 08 00 |.......h.0Hg....|
> 00000090 45 00 00 3c 00 00 40 00 40 06 af 68 c0 a8 05 02 |E..<..@.@.......|
> 000000a0 c0 a8 05 01 0c ea 95 30 c8 89 90 8c 31 99 f8 85 |.......0....1...|
> 000000b0 a0 12 16 a0 f4 28 00 00 02 04 05 b4 04 02 08 0a |.....(..........|
> 000000c0 06 8b 72 41 02 70 11 47 01 03 03 07 7d 16 4b 4b |..rA.p.G....}.KK|
> 000000d0 80 1b 06 00 42 00 00 00 42 00 00 00 00 30 48 67 |....B...B....0Hg|
> 000000e0 c2 1c 00 11 0a e9 fb 68 08 00 45 00 00 34 e9 c4 |.......h..E..4..|
> 000000f0 40 00 40 06 c5 ab c0 a8 05 01 c0 a8 05 02 95 30 |@.@............0|
> 00000100 0c ea 31 99 f8 85 c8 89 90 8d 80 10 00 5c 39 39 |..1..........\99|
> 00000110 00 00 01 01 08 0a 02 70 11 47 06 8b 72 41 7d 16 |.......p.G..rA}.|
> 00000120 4b 4b ad 1c 06 00 80 00 00 00 80 00 00 00 00 11 |KK..............|
> 00000130 0a e9 fb 68 00 30 48 67 c2 1c 08 00 45 08 00 72 |...h.0Hg....E..r|
> 00000140 e2 cc 40 00 40 06 cc 5d c0 a8 05 02 c0 a8 05 01 |..@.@..]........|
> 00000150 0c ea 95 30 c8 89 90 8d 31 99 f8 85 80 18 00 2e |...0....1.......|
> 00000160 79 db 00 00 01 01 08 0a 06 8b 72 41 02 70 11 47 |y.........rA.p.G|
> 00000170 3a 00 00 00 0a 35 2e 31 2e 34 31 2d 33 2d 6c 6f |:....5.1.41-3-lo|
> 00000180 67 00 80 00 00 00 5d 2d 66 3a 2e 75 29 66 00 ff |g.....]-f:.u)f..|
> 00000190 f7 21 02 00 00 00 00 00 00 00 00 00 00 00 00 00 |.!..............|
> 000001a0 00 48 72 2a 74 2e 24 69 67 48 72 29 6d 00 7d 16 |.Hr*t.$igHr)m.}.|
> 000001b0 4b 4b db 1c 06 00 42 00 00 00 42 00 00 00 00 30 |KK....B...B....0|
> 000001c0 48 67 c2 1c 00 11 0a e9 fb 68 08 00 45 08 00 34 |Hg.......h..E..4|
> 000001d0 e9 c5 40 00 40 06 c5 a2 c0 a8 05 01 c0 a8 05 02 |..@.@...........|
> 000001e0 95 30 0c ea 31 99 f8 85 c8 89 90 cb 80 10 00 5c |.0..1..........\|
> 000001f0 38 fb 00 00 01 01 08 0a 02 70 11 47 06 8b 72 41 |8........p.G..rA|
> 00000200 7d 16 4b 4b 3d 30 06 00 86 00 00 00 86 00 00 00 |}.KK=0..........|
> 00000210 00 30 48 67 c2 1c 00 11 0a e9 fb 68 08 00 45 08 |.0Hg.......h..E.|
> 00000220 00 78 e9 c6 40 00 40 06 c5 5d c0 a8 05 01 c0 a8 |.x..@.@..]......|
> 00000230 05 02 95 30 0c ea 31 99 f8 85 c8 89 90 cb 80 18 |...0..1.........|
> 00000240 00 5c 8b be 00 00 01 01 08 0a 02 70 11 48 06 8b |.\.........p.H..|
> 00000250 72 41 40 00 00 01 8f a2 02 00 00 00 00 40 08 00 |rA@..........@..|
> 00000260 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
> 00000270 00 00 00 00 00 00 73 74 72 65 73 73 00 14 5d 16 |......stress..].|
> 00000280 8c 5d 41 ff 26 31 fc 5a db fa 42 27 4a a1 6b 16 |.]A.&1.Z..B'J.k.|
> 00000290 1a 28 74 73 74 00 7d 16 4b 4b b8 30 06 00 42 00 |.(tst.}.KK.0..B.|
> 000002a0 00 00 42 00 00 00 00 11 0a e9 fb 68 00 30 48 67 |..B........h.0Hg|
> 000002b0 c2 1c 08 00 45 08 00 34 e2 cd 40 00 40 06 cc 9a |....E..4..@.@...|
> 000002c0 c0 a8 05 02 c0 a8 05 01 0c ea 95 30 c8 89 90 cb |...........0....|
> 000002d0 31 99 f8 c9 80 10 00 2e 38 e2 00 00 01 01 08 0a |1......8.......|
> 000002e0 06 8b 72 43 02 70 11 48 7d 16 4b 4b f5 30 06 00 |..rC.p.H}.KK.0..|
> 000002f0 4d 00 00 00 4d 00 00 00 00 11 0a e9 fb 68 00 30 |M...M........h.0|
> 00000300 48 67 c2 1c 08 00 45 08 00 3f e2 ce 40 00 40 06 |Hg....E..?..@.@.|
> 00000310 cc 8e c0 a8 05 02 c0 a8 05 01 0c ea 95 30 c8 89 |.............0..|
> 00000320 90 cb 31 99 f8 c9 80 18 00 2e 31 cb 00 00 01 01 |..1.......1.....|
> 00000330 08 0a 06 8b 72 43 02 70 11 48 07 00 00 02 00 00 |....rC.p.H......|
> 00000340 00 02 00 00 00 7d 16 4b 4b b9 31 06 00 57 00 00 |.....}.KK.1..W..|
> 00000350 00 57 00 00 00 00 30 48 67 c2 1c 00 11 0a e9 fb |.W....0Hg.......|
> 00000360 68 08 00 45 08 00 49 e9 c7 40 00 40 06 c5 8b c0 |h..E..I..@.@....|
> 00000370 a8 05 01 c0 a8 05 02 95 30 0c ea 31 99 f8 c9 c8 |........0..1....|
> 00000380 89 90 d6 80 18 00 5c 8b 8f 00 00 01 01 08 0a 02 |......\.........|
> 00000390 70 11 49 06 8b 72 43 11 00 00 00 03 73 65 74 20 |p.I..rC.....set |
> 000003a0 61 75 74 6f 63 6f 6d 6d 69 74 3d 31 7d 16 4b 4b |autocommit=1}.KK|
> 000003b0 a1 32 06 00 4d 00 00 00 4d 00 00 00 00 11 0a e9 |.2..M...M.......|
> 000003c0 fb 68 00 30 48 67 c2 1c 08 00 45 08 00 3f e2 cf |.h.0Hg....E..?..|
> 000003d0 40 00 40 06 cc 8d c0 a8 05 02 c0 a8 05 01 0c ea |@.@.............|
> 000003e0 95 30 c8 89 90 d6 31 99 f8 de 80 18 00 2e 31 ab |.0....1.......1.|
> 000003f0 00 00 01 01 08 0a 06 8b 72 43 02 70 11 49 07 00 |........rC.p.I..|
> 00000400 00 01 00 00 00 02 00 00 00 7d 16 4b 4b 88 33 06 |.........}.KK.3.|
> 00000410 00 8f 00 00 00 8f 00 00 00 00 30 48 67 c2 1c 00 |..........0Hg...|
> 00000420 11 0a e9 fb 68 08 00 45 08 00 81 e9 c8 40 00 40 |....h..E.....@.@|
> 00000430 06 c5 52 c0 a8 05 01 c0 a8 05 02 95 30 0c ea 31 |..R.........0..1|
> 00000440 99 f8 de c8 89 90 e1 80 18 00 5c 8b c7 00 00 01 |..........\.....|
> 00000450 01 08 0a 02 70 11 49 06 8b 72 43 49 00 00 00 03 |....p.I..rCI....|
> 00000460 53 45 4c 45 43 54 20 60 61 6c 69 61 73 60 20 46 |SELECT `alias` F|
> 00000470 52 4f 4d 20 64 62 6d 61 69 6c 5f 61 6c 69 61 73 |ROM dbmail_alias|
> 00000480 65 73 20 57 48 45 52 45 20 60 61 6c 69 61 73 60 |es WHERE `alias`|
> 00000490 20 6c 69 6b 65 20 22 73 70 61 6d 40 65 78 61 6d | like "spam@...m|
> 000004a0 70 6c 65 2e 63 6f 6d 22 7d 16 4b 4b 3c 34 06 00 |ple.com"}.KK<4..|
> 000004b0 9c 00 00 00 9c 00 00 00 00 11 0a e9 fb 68 00 30 |.............h.0|
> 000004c0 48 67 c2 1c 08 00 45 08 00 8e e2 d0 40 00 40 06 |Hg....E.....@.@.|
> 000004d0 cc 3d c0 a8 05 02 c0 a8 05 01 0c ea 95 30 c8 89 |.=...........0..|
> 000004e0 90 e1 31 99 f9 2b 80 18 00 2e b4 4c 00 00 01 01 |..1..+.....L....|
> 000004f0 08 0a 06 8b 72 43 02 70 11 49 01 00 00 01 01 3f |....rC.p.I.....?|
> 00000500 00 00 02 03 64 65 66 03 74 73 74 0e 64 62 6d 61 |....def.tst.dbma|
> 00000510 69 6c 5f 61 6c 69 61 73 65 73 0e 64 62 6d 61 69 |il_aliases.dbmai|
> 00000520 6c 5f 61 6c 69 61 73 65 73 05 61 6c 69 61 73 05 |l_aliases.alias.|
> 00000530 61 6c 69 61 73 0c 08 00 64 00 00 00 fd 00 00 00 |alias...d.......|
> 00000540 00 00 05 00 00 03 fe 00 00 22 00 05 00 00 04 fe |........."......|
> 00000550 00 00 22 00 7d 16 4b 4b e0 34 06 00 8f 00 00 00 |..".}.KK.4......|
> 00000560 8f 00 00 00 00 30 48 67 c2 1c 00 11 0a e9 fb 68 |.....0Hg.......h|
> 00000570 08 00 45 08 00 81 e9 c9 40 00 40 06 c5 51 c0 a8 |..E.....@.@.....|
> 00000580 05 01 c0 a8 05 02 95 30 0c ea 31 99 f9 2b c8 89 |.......0..1..+..|
> 00000590 91 3b 80 18 00 5c 8b c7 00 00 01 01 08 0a 02 70 |.;...\.........p|
> 000005a0 11 49 06 8b 72 43 49 00 00 00 03 53 45 4c 45 43 |.I..rCI....SELEC|
> 000005b0 54 20 60 61 6c 69 61 73 60 20 46 52 4f 4d 20 64 |T `alias` FROM d|
> 000005c0 62 6d 61 69 6c 5f 61 6c 69 61 73 65 73 20 57 48 |bmail_aliases WH|
> 000005d0 45 52 45 20 60 61 6c 69 61 73 60 20 6c 69 6b 65 |ERE `alias` like|
> 000005e0 20 22 73 70 61 6d 40 65 78 61 6d 70 6c 65 2e 63 | "spam@...mple.c|
> 000005f0 6f 6d 22 7d 16 4b 4b 70 35 06 00 9c 00 00 00 9c |om"}.KKp5.......|
> ......
> the select statement/response repeated verbatim 90+ times
> ......
> 00007a00 06 8b 72 49 49 00 00 00 03 53 45 4c 45 43 54 20 |..rII....SELECT |
> 00007a10 60 61 6c 69 61 73 60 20 46 52 4f 4d 20 64 62 6d |`alias` FROM dbm|
> 00007a20 61 69 6c 5f 61 6c 69 61 73 65 73 20 57 48 45 52 |ail_aliases WHER|
> 00007a30 45 20 60 61 6c 69 61 73 60 20 6c 69 6b 65 20 22 |E `alias` like "|
> 00007a40 73 70 61 6d 40 65 78 61 6d 70 6c 65 2e 63 6f 6d |spam@...mple.com|
> 00007a50 22 7d 16 4b 4b d2 98 06 00 f3 00 00 00 f3 00 00 |"}.KK...........|
> 00007a60 00 00 11 0a e9 fb 68 00 30 48 67 c2 1c 08 00 45 |......h.0Hg....E|
> 00007a70 08 00 e5 e3 2b 40 00 40 06 cb 8b c0 a8 05 02 c0 |....+@.@........|
> 00007a80 a8 05 01 0c ea 95 30 c8 89 b0 df 31 9a 14 8a 80 |......0....1....|
> 00007a90 18 00 2e 43 e0 00 00 01 01 08 0a 06 8b 72 49 02 |...C.........rI.|
> ....
> followed by the server error message
>
> What the other side actually sees (note byte 7a50)
> ======================
> ...
> 00007a00 06 8b 72 49 49 00 00 00 03 53 45 4c 45 43 54 20 |..rII....SELECT |
> 00007a10 60 61 6c 69 61 73 60 20 46 52 4f 4d 20 64 62 6d |`alias` FROM dbm|
> 00007a20 61 69 6c 5f 61 6c 69 61 73 65 73 20 57 48 45 52 |ail_aliases WHER|
> 00007a30 45 20 60 61 6c 69 61 73 60 20 6c 69 6b 65 20 22 |E `alias` like "|
> 00007a40 73 70 61 6d 40 65 78 61 6d 70 6c 65 2e 63 6f 6d |spam@...mple.com|
> 00007a50 6d 7d 16 4b 4b 3d 66 06 00 f3 00 00 00 f3 00 00 |m}.KK=f.........|
> 00007a60 00 00 11 0a e9 fb 68 00 30 48 67 c2 1c 08 00 45 |......h.0Hg....E|
> 00007a70 08 00 e5 e3 2b 40 00 40 06 cb 8b c0 a8 05 02 c0 |....+@.@........|
> 00007a80 a8 05 01 0c ea 95 30 c8 89 b0 df 31 9a 14 8a 80 |......0....1....|
> 00007a90 18 00 2e 8c 2b 00 00 01 01 08 0a 06 8b 72 49 02 |....+........rI.|
>
>
>
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