Messages in this thread | | | Date | Mon, 10 May 1999 21:41:07 +0200 (MET DST) | From | Gerard Roudier <> | Subject | Re: sym/ncr53c8xx phase error: Some progress |
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Hello,
I just mailed Shaw the following. Could you give it a try. It is untested and, by the way, applies to the SCSI code.
: From groudier@club-internet.fr Mon May 10 21:36:20 1999 : Date: Mon, 10 May 1999 20:57:27 +0200 (MET DST) : From: Gerard Roudier <groudier@club-internet.fr> : To: Shaw Carruthers <shaw@shawc.demon.co.uk> : Subject: Re: Phase change problem: error log : : : : On Mon, 10 May 1999, Shaw Carruthers wrote: : : Nice!!!!!!!!!!!!!!!!! : : > sym53c860-0-<4,0>: phase change 2-3 6@0037ea45 resid=2. : > sym53c860-0-<4,0>: ERROR: cmd=28 host_status=84 scsi_status=2 : : Command is 28 which is a READ(10) but the CDB is reported as 6 bytes by : the driver. It should be 10 bytes. If the ERROR refers to the : phase change then something is really WRONG there and the device is : right to complain and to destroy everything when it is unable to : detect the problem. :-) : : > sym53c860-0-<4,0>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 24 0. : : 5 : means ILLEGAL REQUEST : 24 0 : means INVALID FIELD IN CDB : : > attempt to access beyond end of device : > 08:06: rw=0, want=226304033, limit=704907 : : This may well be a bug in the SCSI code. : The following Code seems suspicious to me (scsi_do_cmd()/scsi.c) : : if (SCpnt->cmd_len == 0) : SCpnt->cmd_len = COMMAND_SIZE(SCpnt->cmnd[0]); : : If cmd_len is not zero for some reason, it will not be loaded with the : right value of the CDB length. : : You may want to try this untested patch and let me know how it make : differences:) . IMO, if it boots it has chance to fix. : (against 2.2.7) : : --- linux/drivers/scsi/sd.c.orig Mon May 10 20:47:23 1999 : +++ linux/drivers/scsi/sd.c Mon May 10 20:49:45 1999 : @@ -1037,6 +1037,7 @@ : : SCpnt->transfersize = rscsi_disks[dev].sector_size; : SCpnt->underflow = this_count << 9; : + SCpnt->cmd_len = 0; : scsi_do_cmd (SCpnt, (void *) cmd, buff, : this_count * rscsi_disks[dev].sector_size, : rw_intr, : : Gérard.
On Mon, 10 May 1999, Rainer Clasen wrote:
> Hallo erstmal! > > On Sun, May 09, 1999 at 11:27:57PM +0200, Gerard Roudier wrote: > > Basically, a target that detects a PARITY ERROR in COMMAND phase may elect > > to switch to MESSAGE IN phase and send a RESTORE POINTERS message (that > > will have the effect of a no-op), and then enter again the COMMAND phase > > (this behaviour may explain 'phase change 2-7' driver messages) > > > > After some exhausted number of retries, the target may switch to STATUS > > phase and report CHECK CONDITION with sense 'ABORTED COMMAND'. > > (this behaviour may explain 'phase change 2-3' driver messages. > > But usually the phase changes appear in the reverse order. There is only one > 2-3 phase change and the number of 2-7 messages varies. I've seen 0 to 10 of > them. > > > Could you boot your system using the following boot options: > > sym53c8xx=debug:0x10 > > did this as module: > modprobe sym53c8xx sym53c8xx="verb:y debug:0x10" > > here's the syslog: > > May 10 19:25:46 trans kernel: sym53c8xx: setup=disc:y,specf:3,ultra:2,tags:8,sync:12,burst:7,wide:y,diff:0,revprob:n,buschk:0x1 > May 10 19:25:46 trans kernel: sym53c8xx: setup=mpar:y,spar:y,fsn=n,verb:2,debug:0x0,led:n,settle:2,irqm:0x0,nvram:0x1,pcifix:0x0 > May 10 19:25:46 trans kernel: sym53c8xx: at PCI bus 0, device 8, function 0 > May 10 19:25:46 trans kernel: sym53c8xx: setting PCI_COMMAND_PARITY...(fix-up) > May 10 19:25:46 trans kernel: sym53c8xx: 53c810a detected > May 10 19:25:46 trans kernel: sym53c810a-0: rev=0x23, base=0xe1002000, io_port=0x6400, irq=15 > May 10 19:25:46 trans kernel: sym53c810a-0: using memory mapped IO > May 10 19:25:46 trans kernel: sym53c810a-0: ID 7, Fast-10, Parity Checking > May 10 19:25:46 trans kernel: sym53c810a-0: initial SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 03/8e/a0/01/00/00 > May 10 19:25:46 trans kernel: sym53c810a-0: final SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 03/ce/a0/00/08/00 > May 10 19:25:46 trans kernel: sym53c810a-0: resetting, command processing suspended for 2 seconds > May 10 19:25:46 trans kernel: sym53c810a-0: restart (scsi reset). > May 10 19:25:46 trans kernel: scsi1 : sym53c8xx - version 1.3c > May 10 19:25:46 trans kernel: scsi : 2 hosts. > May 10 19:25:48 trans kernel: sym53c810a-0: command processing resumed > May 10 19:25:49 trans kernel: Vendor: IBM Model: DDRS-34560 Rev: S97B > May 10 19:25:49 trans kernel: Type: Direct-Access ANSI SCSI revision: 02 > May 10 19:25:49 trans kernel: Detected scsi disk sdc at scsi1, channel 0, id 1, lun 0 > May 10 19:25:49 trans kernel: Vendor: YAMAHA Model: CDR102 Rev: 1.01 > May 10 19:25:49 trans kernel: Type: WORM ANSI SCSI revision: 02 > May 10 19:25:51 trans kernel: sym53c810a-0-<1,0>: tagged command queue depth set to 8 > May 10 19:25:51 trans kernel: sym53c810a-0-<1,*>: FAST-10 SCSI 10.0 MB/s (100 ns, offset 8) > May 10 19:25:51 trans kernel: SCSI device sdc: hdwr sector= 512 bytes. Sectors= 8925000 [4357 MB] [4.4 GB] > May 10 19:25:51 trans kernel: sdc: sdc1 < sdc5 > > May 10 19:28:04 trans kernel: sym53c810a-0: detaching ... > May 10 19:28:04 trans kernel: sym53c810a-0: resetting chip > May 10 19:28:04 trans kernel: scsi : 1 host. > May 10 19:28:09 trans kernel: sym53c8xx_setup: unexpected boot option 'debug=0x10 verb:' ignored > May 10 19:28:09 trans kernel: sym53c8xx: setup=disc:y,specf:3,ultra:2,tags:8,sync:12,burst:7,wide:y,diff:0,revprob:n,buschk:0x1 > May 10 19:28:09 trans kernel: sym53c8xx: setup=mpar:y,spar:y,fsn=n,verb:2,debug:0x0,led:n,settle:2,irqm:0x0,nvram:0x1,pcifix:0x0 > May 10 19:28:09 trans kernel: sym53c8xx: at PCI bus 0, device 8, function 0 > May 10 19:28:09 trans kernel: sym53c8xx: 53c810a detected > May 10 19:28:09 trans kernel: sym53c810a-0: rev=0x23, base=0xe1002000, io_port=0x6400, irq=15 > May 10 19:28:09 trans kernel: sym53c810a-0: using memory mapped IO > May 10 19:28:09 trans kernel: sym53c810a-0: ID 7, Fast-10, Parity Checking > May 10 19:28:09 trans kernel: sym53c810a-0: initial SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 03/8e/a0/01/00/00 > May 10 19:28:09 trans kernel: sym53c810a-0: final SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 03/ce/a0/00/08/00 > May 10 19:28:09 trans kernel: sym53c810a-0: resetting, command processing suspended for 2 seconds > May 10 19:28:09 trans kernel: sym53c810a-0: restart (scsi reset). > May 10 19:28:09 trans kernel: scsi1 : sym53c8xx - version 1.3c > May 10 19:28:09 trans kernel: scsi : 2 hosts. > May 10 19:28:11 trans kernel: sym53c810a-0: command processing resumed > May 10 19:28:11 trans kernel: Vendor: IBM Model: DDRS-34560 Rev: S97B > May 10 19:28:11 trans kernel: Type: Direct-Access ANSI SCSI revision: 02 > May 10 19:28:11 trans kernel: Detected scsi disk sdc at scsi1, channel 0, id 1, lun 0 > May 10 19:28:11 trans kernel: Vendor: YAMAHA Model: CDR102 Rev: 1.01 > May 10 19:28:11 trans kernel: Type: WORM ANSI SCSI revision: 02 > May 10 19:28:14 trans kernel: sym53c810a-0-<1,0>: tagged command queue depth set to 8 > May 10 19:28:14 trans kernel: sym53c810a-0-<1,*>: FAST-10 SCSI 10.0 MB/s (100 ns, offset 8) > May 10 19:28:14 trans kernel: SCSI device sdc: hdwr sector= 512 bytes. Sectors= 8925000 [4357 MB] [4.4 GB] > May 10 19:28:14 trans kernel: sdc: sdc1 < sdc5 > > May 10 19:28:56 trans kernel: sym53c810a-0: detaching ... > May 10 19:28:56 trans kernel: sym53c810a-0: resetting chip > May 10 19:28:56 trans kernel: scsi : 1 host. > May 10 19:29:13 trans kernel: sym53c8xx: setup=disc:y,specf:3,ultra:2,tags:8,sync:12,burst:7,wide:y,diff:0,revprob:n,buschk:0x1 > May 10 19:29:13 trans kernel: sym53c8xx: setup=mpar:y,spar:y,fsn=n,verb:2,debug:0x10,led:n,settle:2,irqm:0x0,nvram:0x1,pcifix:0x0 > May 10 19:29:13 trans kernel: sym53c8xx: at PCI bus 0, device 8, function 0 > May 10 19:29:13 trans kernel: sym53c8xx: 53c810a detected > May 10 19:29:13 trans kernel: sym53c810a-0: rev=0x23, base=0xe1002000, io_port=0x6400, irq=15 > May 10 19:29:13 trans kernel: sym53c810a-0: using memory mapped IO > May 10 19:29:13 trans kernel: sym53c810a-0: ID 7, Fast-10, Parity Checking > May 10 19:29:13 trans kernel: sym53c810a-0: initial SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 03/8e/a0/01/00/00 > May 10 19:29:13 trans kernel: sym53c810a-0: final SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 03/ce/a0/00/08/00 > May 10 19:29:13 trans kernel: sym53c810a-0: resetting, command processing suspended for 2 seconds > May 10 19:29:13 trans kernel: sym53c810a-0: restart (scsi reset). > May 10 19:29:13 trans kernel: scsi1 : sym53c8xx - version 1.3c > May 10 19:29:13 trans kernel: scsi : 2 hosts. > May 10 19:29:15 trans kernel: sym53c810a-0: command processing resumed > May 10 19:29:15 trans kernel: sym53c810a-0-<0,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:16 trans kernel: sym53c810a-0-<0,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:16 trans kernel: sym53c810a-0-<1,0>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,0>: sense data: 70 0 6 0 0 0 0 18 0 0 0 0 29 0. > May 10 19:29:16 trans kernel: Vendor: IBM Model: DDRS-34560 Rev: S97B > May 10 19:29:16 trans kernel: Type: Direct-Access ANSI SCSI revision: 02 > May 10 19:29:16 trans kernel: Detected scsi disk sdc at scsi1, channel 0, id 1, lun 0 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,1>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,1>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<1,2>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,2>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<1,3>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,3>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<1,4>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,4>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<1,5>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,5>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<1,6>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,6>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<1,7>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<1,7>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 25 0. > May 10 19:29:16 trans kernel: sym53c810a-0-<2,0>: ERROR: cmd=0 host_status=84 scsi_status=2 > May 10 19:29:16 trans kernel: sym53c810a-0-<2,0>: sense data: 70 0 6 0 0 0 0 a 0 0 0 0 29 0. > May 10 19:29:16 trans kernel: Vendor: YAMAHA Model: CDR102 Rev: 1.01 > May 10 19:29:16 trans kernel: Type: WORM ANSI SCSI revision: 02 > May 10 19:29:16 trans kernel: sym53c810a-0-<3,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:16 trans kernel: sym53c810a-0-<3,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:17 trans kernel: sym53c810a-0-<4,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:17 trans kernel: sym53c810a-0-<4,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:17 trans kernel: sym53c810a-0-<5,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:17 trans kernel: sym53c810a-0-<5,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:18 trans kernel: sym53c810a-0-<6,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:18 trans kernel: sym53c810a-0-<6,0>: ERROR: cmd=0 host_status=85 scsi_status=ff > May 10 19:29:18 trans kernel: sym53c810a-0-<1,0>: tagged command queue depth set to 8 > May 10 19:29:18 trans kernel: sym53c810a-0-<1,*>: FAST-10 SCSI 10.0 MB/s (100 ns, offset 8) > May 10 19:29:18 trans kernel: SCSI device sdc: hdwr sector= 512 bytes. Sectors= 8925000 [4357 MB] [4.4 GB] > May 10 19:29:18 trans kernel: sdc: sdc1 < sdc5 > > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: phase change 2-3 6@04a55045 resid=2. > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: ERROR: cmd=2a host_status=84 scsi_status=2 > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: sense data: 70 0 5 0 0 0 0 18 0 0 0 0 24 0. > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: phase change 2-7 10@04a55645 resid=4. > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: phase change 2-7 10@04a55a45 resid=4. > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: phase change 2-7 10@00dffe45 resid=4. > May 10 19:37:31 trans kernel: sym53c810a-0-<1,0>: phase change 2-7 10@04a55445 resid=4. > May 10 19:40:00 trans /USR/SBIN/CRON[664]: (root) CMD (test -f /proc/modules && /sbin/rmmod -a) > May 10 19:47:14 trans kernel: Filesystem panic (dev 08:25). > May 10 19:47:15 trans kernel: File without EOF > May 10 19:47:15 trans kernel: File system has been set read-only > May 10 19:47:15 trans kernel: FAT: fat_truncate called though fs is read-only, uhh... > > As you may see, I switched back to non-simplified SCSI-cabling. It didn't > matter anyway. Now it looks like: > > + NCR 810A with passive onboard termination > | > - HD-DSub50 - Centronics Adapter > | > | external cable (50 cm) (a flat one as used for internal cablings) > | > --+ external SCSI tower (with ~40cm cable total) > | > + DDRS > | > + Yamaha recorder > | > <-+ > external, active Centronics terminator > > Rainer > > -- > KeyID=58341901 fingerprint=A5 57 04 B3 69 88 A1 FB 78 1D B5 64 E0 BF 72 EB > > >
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