Date: Tue, 13 Jul 2010 16:07:30 -0400 From: Leo Prasath Arulraj <leo@nec-labs.com> To: freebsd-scsi@freebsd.org, mjacob@freebsd.org Subject: "Firmware timed out" with qlogic 2312 FC cards Message-ID: <4C3CC782.7000705@nec-labs.com> In-Reply-To: <4C23655F.1070408@nec-labs.com> References: <4C23655F.1070408@nec-labs.com>
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I am running scsi target mode disk emulation code on a QLogic 2312 FC card. My OS version is : 9.0-CURRENT FreeBSD . This FreeBSD machine acts as the target while a separate Linux machine acts as the initiator accessing the FreeBSD machine as target. I am seeing "Firmware timed out" errors on the FreeBSD side : isp0: isp_action code 933 (targ0:isp0:0:0:0): isp_target_start_ctio: CTIO2[207c] flags 40 xfrlen 0 offset 4096 isp0: RISC2HOST ISR 0x2f08013 isp0: Firmware timed out on command isp0: data CTIO complete isp0: isp_handle_platform_ctio: CTIO2[2034] sts 0xb flg 0x840 sns 0 resid 0 MID isp0: MIDTERM CTIO[0x2034] done And I see UNDERRUN errors on the Linux side : [ 1661.998946] sd 0:0:0:0: [sdb] Unhandled error code [ 1661.998955] sd 0:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [ 1661.998973] sd 0:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00 [ 1661.999024] end_request: I/O error, dev sdb, sector 0 [ 1662.219095] comp_status 21 scsi_status 0 [ 1662.219118] scsi(0:0:0) UNDERRUN status detected 0x15-0x0. resid=0xda fw_resid=0x0 cdb=0x12 os_underflow=0x0 [ 1662.219137] scsi(0:0:0:0) Dropped frame(s) detected (da of fe bytes)...firmware reported underrun...retrying command. I changed the ct_timeout field of a CTIO in the isp_freebsd.c file to 120 from 10: isp_freebsd.c:1624: cto->ct_timeout = 120; // was 10 isp_freebsd.c:1658: cto->ct_timeout = 120 ; // was 10 Is there someway I can fix this ? Or should I handle it the userspace program by retrying commands. I suspect something goes wrong with the firmware because , after this error happens, subsequents requests also fail. Should I update the firmware assembly file isp_2300.h ? Where should I get the assembly version of the firmware from ? Any help is appreciated. Thanks, Leo.
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