Date: Thu, 21 Oct 2021 16:18:09 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 259152] [iscsi] OCI oracle iscsi block device problems Message-ID: <bug-259152-227-CUYmXJdGSZ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-259152-227@https.bugs.freebsd.org/bugzilla/> References: <bug-259152-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259152 Dave Cottlehuber <dch@freebsd.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |In Progress --- Comment #13 from Dave Cottlehuber <dch@freebsd.org> --- relevant packets to save others opening tcpdump/wireshark WARNING: icl_conn_receive_pdu: received data segment length 16384 is larger than negotiated; dropping connection this is the initial login packet sent from FreeBSD to OCI iscsi target: iSCSI (Login Command) Opcode: Login Command (0x03) 1... .... =3D T: Transit to next login stage .0.. .... =3D C: Text is complete .... 01.. =3D CSG: Operational negotiation (0x1) .... ..11 =3D NSG: Full feature phase (0x3) VersionMax: 0x00 VersionMin: 0x00 TotalAHSLength: 0x00 DataSegmentLength: 249 (0x000000f9) ISID: 80 d5 92 14 52 4d 10.. .... =3D ISID_t: Random (0x2) ..00 0000 =3D ISID_a: 0x00 ISID_b: 0xd592 ISID_c: 0x14 ISID_d: 0x524d TSIH: 0x0000 InitiatorTaskTag: 0x00000000 CID: 0x0000 CmdSN: 0x00000000 ExpStatSN: 0x00000001 Key/Value Pairs KeyValue: iSCSIProtocolLevel=3D2 KeyValue: HeaderDigest=3DNone KeyValue: DataDigest=3DNone KeyValue: ImmediateData=3DYes KeyValue: MaxBurstLength=3D1048576 KeyValue: FirstBurstLength=3D1048576 KeyValue: InitialR2T=3DYes KeyValue: MaxOutstandingR2T=3D1 KeyValue: MaxRecvDataSegmentLength=3D262144 <-----=20 KeyValue: DefaultTime2Wait=3D0 KeyValue: DefaultTime2Retain=3D0 KeyValue: ErrorRecoveryLevel=3D0 Padding: 00 00 00 and this below is the specific iscsi message that causes FreeBSD to panic: Transmission Control Protocol, Src Port: 3260, Dst Port: 24622, Seq: 27737, Ack: 2441, Len: 48 [3 Reassembled TCP Segments (16432 bytes): #194(8948), #195(7436), #196(48)] [Frame: 194, payload: 0-8947 (8948 bytes)] [Frame: 195, payload: 8948-16383 (7436 bytes)] [Frame: 196, payload: 16384-16431 (48 bytes)] [Segment count: 3] [Reassembled TCP length: 16432] [Reassembled TCP Data: 25 81 00 00 00 00 40 00 00 00 00 00 00 00 00 00 = 27 00 00 00 ff ff ff ff =E2=80=A6] iSCSI (SCSI Data In) Opcode: SCSI Data In (0x25) Flags: 0x81 1... .... =3D F: Final PDU in sequence .0.. .... =3D A: Acknowledge not requested .... .0.. =3D O: No residual overflow occurred .... ..0. =3D U: No residual underflow occurred .... ...1 =3D S: Response contains SCSI status Status: Good (0x00) TotalAHSLength: 0x00 DataSegmentLength: 16384 (0x00004000) InitiatorTaskTag: 0x27000000 StatSN: 0x00000029 ExpCmdSN: 0x00000028 MaxCmdSN: 0x000000a8 DataSN: 0x00000000 BufferOffset: 0x00000000 ResidualCount: 0x00000000 Request in: 188 Time from request: 0.000568000 seconds SCSI Payload (Read(10) Response Data) [LUN: 0x0001] [Command Set:Direct Access Device (0x00) ] [SBC Opcode: Read(10) (0x28)] [Request in: 188] [Response in: 196] SCSI Response (Read(10)) [LUN: 0x0001] [Command Set:Direct Access Device (0x00) ] [SBC Opcode: Read(10) (0x28)] [Request in: 188] [Time from request: 0.000568000 seconds] [Status: Good (0x00)] --=20 You are receiving this mail because: You are the assignee for the bug.=
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