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SubjectRe: Cannot burn without strace on 2.6.8-rc3-mm1
On Mon, Aug 09 2004, Alexander Gran wrote:
> Ok, thats strange:
>
> Just switched form 2.6.7-mm5 to 2.6.8-rc3-mm1
> However I cannot burn with cdrecord.
> cdrecord -v dev=/dev/hdc -dao driveropts=burnfree
> -data /files/Pakete/KNOPPIX_V3.4-2004-05-17-DE.iso
> gives:
>
> alex@t40:~$ cdrecord -v dev=/dev/hdc -dao driveropts\=burnfree
> -data /files/Pakete/KNOPPIX_V3.4-2004-05-17-DE.iso
> Cdrecord-Clone 2.01a34 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg
> Schilling
> NOTE: this version of cdrecord is an inofficial (modified) release of cdrecord
> and thus may have bugs that are not present in the original version.
> Please send bug reports and support requests to
> <cdrtools@packages.debian.org>.
> The original author should not be bothered with problems of this
> version.
>
> TOC Type: 1 = CD-ROM
> scsidev: '/dev/hdc'
> devname: '/dev/hdc'
> scsibus: -2 target: -2 lun: -2
> Warning: Open by 'devname' is unintentional and not supported.
> Linux sg driver version: 3.5.27
> Using libscg version 'schily-0.8'.
> Driveropts: 'burnfree'
> SCSI buffer size: 64512
> cdrecord: Cannot allocate memory. Cannot get SCSI I/O buffer.

Apply this patch.

> However
> strace cdrecord -v dev=/dev/hdc -dao driveropts=burnfree
> -data /files/Pakete/KNOPPIX_V3.4-2004-05-17-DE.iso
> just works..Strange, um?

Uhm are you sure?

--- linux-2.6.8-rc3-mm1/drivers/block/scsi_ioctl.c~ 2004-08-09 08:59:06.817350600 +0200
+++ linux-2.6.8-rc3-mm1/drivers/block/scsi_ioctl.c 2004-08-09 08:59:36.480841064 +0200
@@ -90,7 +90,7 @@
if (size < 0)
return -EINVAL;
if (size > (q->max_sectors << 9))
- return -EINVAL;
+ size = q->max_sectors << 9;

q->sg_reserved_size = size;
return 0;
--
Jens Axboe

-
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