[systemd-commits] src/udev

Harald Hoyer harald at kemper.freedesktop.org
Tue Feb 12 06:27:36 PST 2013


 src/udev/cdrom_id/cdrom_id.c |    2 ++
 1 file changed, 2 insertions(+)

New commits:
commit a0ec302b9309bc56f6bed6162e47ad6c27165747
Author: Harald Hoyer <harald at redhat.com>
Date:   Tue Feb 12 15:19:38 2013 +0100

    cdrom_id: add data track count for bad virtual drive implementations
    
    /# /lib/udev/cdrom_id --debug /dev/sr0
    probing: '/dev/sr0'
    INQUIRY: [AMI     ][Virtual CDROM   ][1.00]
    GET CONFIGURATION failed with SK=5h/ASC=20h/ACQ=00h
    drive is pre-MMC2 and does not support 46h get configuration command
    trying to work around the problem
    READ DISC INFORMATION failed with SK=5h/ASC=20h/ACQ=00h
    no current profile, but disc is present; assuming CD-ROM
    READ TOC: len: 12, start track: 1, end track: 1
    last track 1 starts at block 0
    READ DISC INFORMATION failed with SK=5h/ASC=20h/ACQ=00h
    ID_CDROM=1
    ID_CDROM_MEDIA=1
    ID_CDROM_MEDIA_CD=1
    
    What is missing here is ID_CDROM_MEDIA_TRACK_COUNT_DATA to trigger
    blkid in /lib/udev/rules.d/60-persistent-storage.rules
    
    KERNEL=="sr*", ENV{DISK_EJECT_REQUEST}!="?*",
    	ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*",
    	ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="", \
    		  IMPORT{builtin}="blkid --noraid"

diff --git a/src/udev/cdrom_id/cdrom_id.c b/src/udev/cdrom_id/cdrom_id.c
index 1056536..b659cc3 100644
--- a/src/udev/cdrom_id/cdrom_id.c
+++ b/src/udev/cdrom_id/cdrom_id.c
@@ -513,6 +513,8 @@ static int cd_profiles_old_mmc(struct udev *udev, int fd)
                 if (cd_media == 1) {
                         log_debug("no current profile, but disc is present; assuming CD-ROM\n");
                         cd_media_cd_rom = 1;
+                        cd_media_track_count = 1;
+                        cd_media_track_count_data = 1;
                         return 0;
                 } else {
                         log_debug("no current profile, assuming no media\n");



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