Subject: Re: ATAPI cd writers
From: David Monro (davidm@amberdata.demon.co.uk)
Date: Tue Jun 01 1999 - 23:15:22 PDT
(stuff deleted)
> =================================
> [root@chaos images]# cdrecord -v -debug -dummy speed=2 dev=1,0,0 cdimage.iso
> File: 'cdimage.iso' tracksize: 147552256 secsize: 2048 tracktype: 1 =
> CD-ROM sectype: 1 = CD-ROM mode 1 dbtype: CD-ROM mode 1 flags 1080 dev:
> 1,0,0 speed: 2 fs: -1 Cdrecord release 1.8a22 Copyright (C) 1995-1999
> Jrg Schilling TOC Type: 1 = CD-ROM
> fs: 4194304 buflen: 4202496
> cdrecord: Invalid argument. shmget failed
> =================================
>
> How does the above mesh with those that have a cd-burner working? Any
> ideas? I have SYSv ICP enabled.
>
> - mark arrasmith
>
IIRC the aount of shared memory on an alpha kernel defaults to a stupidly small
number - like just around 4M. EIther use the fs= parameter to cdrecord and make
it use smaller buffer, or echo a larger number to /proc/sys/kernel/shmmax (some
number significantly bigger than 4194304 I guess)
David
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