From: Pratyush Anand <pratyush.anand@gmail.com>
To: linux-pci@vger.kernel.org
Subject: Re: Problem in reading cfg space of device connected below a bridge
Date: Fri, 9 Dec 2011 13:39:04 +0000 (UTC) [thread overview]
Message-ID: <loom.20111209T143404-436@post.gmane.org> (raw)
In-Reply-To: 20101028044411.GA32200@lackof.org
Grant Grundler <grundler <at> parisc-linux.org> writes:
After a long time , I am back to this issue again. I have taken log from
analyser, and I can see that my host controller is correctly generating cfgrd1.
What could be wrong?
This is text exported log of lecroy PCIe analyser.
Packet(951428) Downstream 2.5(x1) TLP(97) Cfg
_______| CfgWr0(10:00100) Length(1) RequesterID(002:00:0) Tag(0)
_______| DeviceID(003:00:0) Register(0x018) 1st BE(1111)
_______| Secondary Latency Timer(0x00) Subordinate Bus Number(0xFF)
_______| Secondary Bus Number(0x04) Primary Bus Number(0x03) LCRC(0x564084DF)
_______| Time Stamp(0047 . 793 106 288 s)
_______|_______________________________________________________________________
Filtered Traffic
Packet(951429) Upstream 2.5(x1) TLP(96) Cpl Cpl(00:01010)
_______| Length(0) RequesterID(002:00:0) Tag(0) CompleterID(003:00:0) Status
(SC)
_______| BCM(0) Byte Cnt(4) Lwr Addr(0x00) LCRC(0x502279E4)
_______| Time Stamp(0047 . 793 106 552 s)
_______|_______________________________________________________________________
Filtered Traffic
Packet(951430) Upstream 2.5(x1) DLLP ACK
_______| AckNak_Seq_Num(97) CRC 16(0x1425) Time Stamp(0047 . 793 107 004 s)
_______|_______________________________________________________________________
Packet(951431) Downstream 2.5(x1) DLLP ACK AckNak_Seq_Num(96)
_______| CRC 16(0xB53E) Time Stamp(0047 . 793 108 056 s)
_______|_______________________________________________________________________
Filtered Traffic
Packet(951432) Downstream 2.5(x1) TLP(98) Cfg
_______| CfgRd1(00:00101) Length(1) RequesterID(002:00:0) Tag(1)
_______| DeviceID(004:00:0) Register(0x000) 1st BE(1111) LCRC(0xDFA187B4)
_______| Time Stamp(0047 . 793 110 456 s)
_______|_______________________________________________________________________
Filtered Traffic
Packet(951433) Upstream 2.5(x1) TLP(97) Cpl Cpl(00:01010)
_______| Length(0) RequesterID(002:00:0) Tag(1) CompleterID(004:00:0)
_______| Status(UR)-BAD BCM(0) Byte Cnt(4) Lwr Addr(0x00) LCRC(0xBBC69D2D)
_______| Time Stamp(0047 . 793 110 960 s)
_______|_______________________________________________________________________
Packet(951434) Upstream 2.5(x1) DLLP ACK AckNak_Seq_Num(98) CRC 16(0xF709)
_______| Time Stamp(0047 . 793 111 148 s)
_______|_______________________________________________________________________
Packet(951435) Downstream 2.5(x1) DLLP ACK AckNak_Seq_Num(97)
_______| CRC 16(0x1425) Time Stamp(0047 . 793 112 488 s)
_______|______________________________________________________________________
regards
Pratyush
next parent reply other threads:[~2011-12-09 13:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTin7itjGUuyzFP2=NxGyvU2qv24Rt24wnNLEC+gN@mail.gmail.com>
[not found] ` <20101021122526.GG2447@parisc-linux.org>
[not found] ` <AANLkTinFpwRfKaN8W2R+F3-QnEA_ZMgGbcgXvpM+UyKZ@mail.gmail.com>
[not found] ` <20101024055405.GC25607@lackof.org>
[not found] ` <AANLkTimpBkGjVUGcuWp93swyyCPJ6OEYVD6UKmZ8yiS8@mail.gmail.com>
[not found] ` <20101028044411.GA32200@lackof.org>
2011-12-09 13:39 ` Pratyush Anand [this message]
2011-12-12 11:55 ` Problem in reading cfg space of device connected below a bridge Pratyush Anand
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