Messages in this thread |  | | From | (Eugene Crosser) | Subject | 2.4.10 - sequential reading of SCSI CDROM - I/O error | Date | 2 Oct 2001 01:43:25 +0400 |
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Under 2.4.10 (x86 SMP, same behavior if booted as "nosmp noapic") it is impossible to read ISO image of SCSI CDROM. First 196 Kb are read and then there is an "Input/output error". CD is good, it can be mounted and all data is accessible; also, image can be read successfully under 2.4.9.
$ ls -lL /dev/cdrom brw-r----- 1 root users 11, 0 Jul 18 1994 /dev/cdrom
$ cat /dev/cdrom >scherbak.iso cat: /dev/cdrom: Input/output error
$ ls -l total 196 -rw-r--r-- 1 crosser group 200704 Oct 1 09:46 scherbak.iso
$ dmesg [...] Attached scsi CD-ROM sr0 at scsi1, channel 0, id 6, lun 0 sr0: scsi-1 drive Uniform CD-ROM driver Revision: 3.12 VFS: Disk change detected on device sr(11,0) scsi1 channel 0 : resetting for second half of retries. SCSI bus is being reset for host 1 channel 0. sym53c8xx_reset: pid=0 reset_flags=1 serial_number=0 serial_number_at_timeout=0 scsi1: device driver called scsi_done() for a synchronous reset. sym53c1010-33-1: restart (scsi reset). sym53c1010-33-1: handling phase mismatch from SCRIPTS. sym53c1010-33-1: Downloading SCSI SCRIPTS. scsi1 channel 0 : resetting for second half of retries. SCSI bus is being reset for host 1 channel 0. sym53c8xx_reset: pid=0 reset_flags=1 serial_number=0 serial_number_at_timeout=0 scsi1: device driver called scsi_done() for a synchronous reset. sym53c1010-33-1: restart (scsi reset). sym53c1010-33-1: handling phase mismatch from SCRIPTS. sym53c1010-33-1: Downloading SCSI SCRIPTS. SCSI cdrom error : host 1 channel 0 id 6 lun 0 return code = 27070000 I/O error: dev 0b:00, sector 392 scsi1 channel 0 : resetting for second half of retries. SCSI bus is being reset for host 1 channel 0. sym53c8xx_reset: pid=0 reset_flags=1 serial_number=0 serial_number_at_timeout=0 scsi1: device driver called scsi_done() for a synchronous reset. sym53c1010-33-1: restart (scsi reset). sym53c1010-33-1: handling phase mismatch from SCRIPTS. sym53c1010-33-1: Downloading SCSI SCRIPTS. SCSI cdrom error : host 1 channel 0 id 6 lun 0 return code = 27070000 I/O error: dev 0b:00, sector 394 sym53c1010-33-1-<6,*>: FAST-10 SCSI 10.0 MB/s (100.0 ns, offset 15) Device not ready. Make sure there is a disc in the drive. scsi1 channel 0 : resetting for second half of retries. SCSI bus is being reset for host 1 channel 0. sym53c8xx_reset: pid=0 reset_flags=1 serial_number=0 serial_number_at_timeout=0 scsi1: device driver called scsi_done() for a synchronous reset. sym53c1010-33-1: restart (scsi reset). sym53c1010-33-1: handling phase mismatch from SCRIPTS. sym53c1010-33-1: Downloading SCSI SCRIPTS. scsi1 channel 0 : resetting for second half of retries. SCSI bus is being reset for host 1 channel 0. sym53c8xx_reset: pid=0 reset_flags=1 serial_number=0 serial_number_at_timeout=0 scsi1: device driver called scsi_done() for a synchronous reset. sym53c1010-33-1: restart (scsi reset). sym53c1010-33-1: handling phase mismatch from SCRIPTS. sym53c1010-33-1: Downloading SCSI SCRIPTS. SCSI cdrom error : host 1 channel 0 id 6 lun 0 return code = 27070000 I/O error: dev 0b:00, sector 392 scsi1 channel 0 : resetting for second half of retries. SCSI bus is being reset for host 1 channel 0. sym53c8xx_reset: pid=0 reset_flags=1 serial_number=0 serial_number_at_timeout=0 scsi1: device driver called scsi_done() for a synchronous reset. sym53c1010-33-1: restart (scsi reset). sym53c1010-33-1: handling phase mismatch from SCRIPTS. sym53c1010-33-1: Downloading SCSI SCRIPTS. SCSI cdrom error : host 1 channel 0 id 6 lun 0 return code = 27070000 I/O error: dev 0b:00, sector 394 sym53c1010-33-1-<6,*>: FAST-10 SCSI 10.0 MB/s (100.0 ns, offset 15) Device not ready. Make sure there is a disc in the drive. Uniform CD-ROM driver unloaded - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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