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/tmp is not writable on most systems, so just use /dev to create a
temporary node. If called from a udev rule, "-d $tempnode" should be
used and udev will create a temporary node and pass the name before
calling scsi_id.
Also remove gen_scsi_id_udev_rules.sh per Patrick's request, as it's
no longer needed with the persistent disk links.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
The attached patch adds a check to edd_id.c to verify that the MBR
signature on the device node passed to the program is unique to only
that disk.
Signed-off-by: John Hull <john_hull@dell.com>
This patch is to enable the use of scsi_id to derive a UID for a SCSI-2
device which is not compliant with the page 83 inquiry reply format for
either SPC-2 or SPC-3. In this case, the page 83 reply does not
contain a list of Identification descriptors but a single binary encoded
hexa-decimal Vendor Specified Identifier.
The update is being driven by the need for scsi_id to support older
model EMC Symmetrix hardware, that is, models 4, 5, and 6.
The troff man pages will still be checked into the tree but the
source is DocBook XML format living in the docs/ directory now.
Start with the easy ones, the main udev page is still left to
rewrite.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
A second "add" event created a new enumeration with %e. Check the
udevdb first and if a matching name is already used.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Moving events directly to the exec queue instead of the reordering
incoming queue, leaves holes in the sequence, that lead to timeouts for
all other events. Remove that part of the special handling.
(With netlink, events can't get out-of-order and the maximum timeout is 5
seconds and should not cause any trouble with the 10 sec timout for the
firmware class anyway. Events with timeouts are still prioritized for
execution, but don't bypass the incoming queue anymore.)
Many thanks to:
Uberto Barbini <uberto@ubiland.net>
for his endless debugging and sending all the traces, that showed this
failure with his DVB device:
UEVENT[1124474094] add@/module/stv0299
UEVENT[1124474094] add@/module/ves1x93
UEVENT[1124474094] add@/module/ttpci_eeprom
UEVENT[1124474094] add@/module/saa7146
UEVENT[1124474094] add@/module/video_buf
UEVENT[1124474094] add@/module/saa7146_vv
UEVENT[1124474094] add@/module/dvb_core
UEVENT[1124474094] add@/module/dvb_ttpci
UEVENT[1124474094] add@/bus/pci/drivers/dvb
UEVENT[1124474094] add@/class/firmware/0000:00:14.0
UDEV [1124474094] add@/module/dvb_core
UDEV [1124474094] add@/module/saa7146_vv
UDEV [1124474094] add@/module/dvb_ttpci
UDEV [1124474094] add@/module/ves1x93
UDEV [1124474094] add@/module/ttpci_eeprom
UDEV [1124474094] add@/module/saa7146
UDEV [1124474094] add@/module/stv0299
UDEV [1124474094] add@/module/video_buf
UDEV [1124474094] add@/bus/pci/drivers/dvb
UEVENT[1124474094] remove@/class/firmware/0000:00:14.0 <- event with TIMEOUT will leave a hole in the incoming
UDEV [1124474094] add@/class/firmware/0000:00:14.0 sequence, which will cause a wait for the alarm()
UEVENT[1124474094] add@/class/i2c-adapter/i2c-1 that flushes the queue
UEVENT[1124474094] add@/class/i2c-dev/i2c-1
UDEV [1124474094] remove@/class/firmware/0000:00:14.0 <- event also has TIMEOUT and is executed immediately
UEVENT[1124474095] add@/class/dvb/dvb0.demux0
UEVENT[1124474095] add@/class/dvb/dvb0.dvr0
UEVENT[1124474095] add@/class/dvb/dvb0.video0
UEVENT[1124474095] add@/class/dvb/dvb0.audio0
UEVENT[1124474095] add@/class/dvb/dvb0.ca0
UEVENT[1124474095] add@/class/dvb/dvb0.osd0
UEVENT[1124474095] add@/class/dvb/dvb0.net0
UEVENT[1124474095] add@/class/video4linux/video1
UEVENT[1124474095] add@/class/dvb/dvb0.frontend0
UDEV [1124474099] add@/class/i2c-adapter/i2c-1 <- all others have 5 seconds delay cause of the missing event
UDEV [1124474099] add@/class/dvb/dvb0.ca0 missing events
UDEV [1124474099] add@/class/dvb/dvb0.osd0
UDEV [1124474099] add@/class/video4linux/video1
UDEV [1124474099] add@/class/dvb/dvb0.frontend0
UDEV [1124474099] add@/class/dvb/dvb0.video0
UDEV [1124474099] add@/class/dvb/dvb0.audio0
UDEV [1124474099] add@/class/i2c-dev/i2c-1
UDEV [1124474099] add@/class/dvb/dv
My test program that simulates a similar sequence, runs without any delay
now. (With one of the next versions we will make netlink mandatory, then
we can remove the whole input queue crap with the reordering anyway.)
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
