Re: CDROM: hdc: lost interrupt (how to troubleshoot?)
one more relevant fact: data CD can be read without problems and it
seems fairly fast (whole CD is read in few minutes), no 'lost interrupt'
or other messages in syslog.
erik
Erik Steffl wrote:
>
> when I try to rip the CD I get the following messages and the ripping
> is VERY slow (few hours per one song):
>
> Mar 24 04:10:09 localhost kernel: hdc: lost interrupt
>
> system:
> debian unstable, kernel 2.4.17
> cdrom (burner) /dev/hdc TDK CDRW321040B, ATAPI CD/DVD-ROM drive
>
> jojda:/home/erik# cat /proc/interrupts
> CPU0
> 0: 120626 XT-PIC timer
> 1: 1818 XT-PIC keyboard
> 2: 0 XT-PIC cascade
> 5: 436 XT-PIC SoundBlaster
> 8: 1 XT-PIC rtc
> 9: 0 XT-PIC usb-uhci, usb-uhci
> 10: 135 XT-PIC eth1
> 11: 963 XT-PIC eth0
> 12: 20591 XT-PIC PS/2 Mouse
> 14: 21722 XT-PIC ide0
> 15: 11763 XT-PIC ide1
> NMI: 0
> LOC: 120587
> ERR: 0
>
> the situation is the same regardless of whether I use scsi emulation
> or not.
>
> what's even more strange is that after I try to rip the audio CD I
> cannot mount the data CD anymore. I get the following message:
>
> jojda:/home/erik# mount /dev/hdc /mnt/cd
> /dev/hdc: Input/output error
> mount: block device /dev/hdc is write-protected, mounting read-only
> /dev/hdc: Input/output error
> mount: you must specify the filesystem type
> jojda:/home/erik#
>
> if I specify file system type it complains again:
>
> jojda:/home/erik# mount -t iso9660 /dev/hdc /mnt/cd
> mount: block device /dev/hdc is write-protected, mounting read-only
> mount: wrong fs type, bad option, bad superblock on /dev/hdc,
> or too many mounted file systems
>
> however if I try to mount it before I rip anything it works OK.
>
> any ideas? TIA
>
> erik
>
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