Am Dienstag, 10. Februar 2009 schrieb Jan Kandziora:
> Hello Paul (and others),
>
I found another bug with I2C.
% package require ow
% OW::init /dev/i2c-6
% OW::set_error_level 9
% OW::set_error_print 2
% OW::get alarm
gives
DEBUG: FS_OWQ_create of alarm
CALL: PARSENAME path=[alarm]
DEBUG: In FS_dir(alarm)
CALL: DIRECTORY path=alarm
DEBUG: ALARM directory
DEBUG: Selecting a path (and device) path=alarm SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=7
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: FS_alarmdir BUS_first_alarm = -19
DEBUG: Return from ALARM is 0
DEBUG: FS_dir_both out ret=0
Speicherzugriffsfehler
(Segmentation fault)
Again, I'm able to reproduce this only for I2C adapter, not DS9490 or DS9097U.
It's irregardless whether there is any alarmed chip or not. I can reproduce
it with owserver, too:
$ /opt/owfs/bin/owserver --error_level=9 --error_print=2 --foreground /dev/i2c-6
gives the attached log whenever I'm reading "alarm".
Kind regards
Jan
--
"When you say 'I wrote a program that crashed Windows', people just
stare at you blankly and say 'Hey, I got those with the system,
*for free*'."
-- Linus Torvalds
CONNECT: Found an i2c device at /dev/i2c-6 address 24
DEBUG: DS2482 read status ok
CONNECT: i2c device at /dev/i2c-6 address 24 appears to be DS2482-x00
CONNECT: DS2482-800 (Eight channels). DEBUG: main_threadid = 3083720384
DEBUG: ServerProcessOut = 3083332496
DEBUG: Wait for output device 0 to setup.
DEBUG: OW_Announce: end
DEBUG: Output device setup is done. index=0
DEBUG: ServerProcessAccept [3083332496] try lock 0
DEBUG: ServerProcessAccept [3083332496] locked 0
DEBUG: Output device 0 setup done.
DEBUG: ServerProcessAccept [3083332496] accept 0 fd=9
DEBUG: ServerProcessAcceptUnlock: unlock 3083332496
DEBUG: ServerProcessAcceptUnlock: unlock 3083332496 done
DEBUG: ServerProcessAccept [3083332496] unlock 0
DEBUG: NetRead attempt 24 bytes Time:(10,0)
Byte buffer NETREAD, length=24
--000: 00 00 00 00 00 00 00 09 00 00 00 04 00 00 01 05
--016: 00 00 00 00 00 00 00 00
<........................>
DEBUG: tcp_read n=24 nleft=0 n-nleft=24
DEBUG: FromClient payload=9 size=0 type=4 sg=0x105 offset=0
DEBUG: FromClient (no servermessage) payload=9 size=0 type=4 sg=0x105 offset=0
DEBUG: NetRead attempt 9 bytes Time:(10,0)
Byte buffer NETREAD, length=9
--000: 75 6E 63 61 63 68 65 64 00
<uncached.>
DEBUG: tcp_read n=9 nleft=0 n-nleft=9
DEBUG: Persistence requested
CALL: DataHandler: parse path=uncached
DEBUG: FS_OWQ_create of uncached
CALL: PARSENAME path=[uncached]
CALL: Directory message (one at a time)
CALL: DirHandler: pn->path=uncached
DEBUG: OWSERVER SpecifiedBus=0 path=uncached
DEBUG: In FS_dir_remote(uncached)
CALL: DIRECTORY path=uncached
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DEBUG: DS2482 read status ok
ServerProcessAccept = 3083332496 CLOSING
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: ServerProcessAccept [3083332496] try lock 0
DEBUG: ServerProcessAccept [3083332496] locked 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=0
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=1
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=2
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=3
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=4
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=5
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=6
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: Start of directory path=uncached device=00 00 00 00 00 00 00 00
DEBUG: BUS_first: Empty bus -- no presence pulse
DEBUG: Selecting a path (and device) path=uncached SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: Clearing root branch
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: DS2482 read status ok
DEBUG: DS2482 read status ok
DEBUG: Transaction send = 0
DEBUG: Transaction end = 0
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=7
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: FS_dir_both out ret=0
DEBUG: FS_OWQ_destroy of uncached
DEBUG: ParsedName_destroy uncached
DEBUG: DataHandler: FS_ParsedName_destroy done
DEBUG: DataHandler: cm.ret=0
DEBUG: ToClient payload=0 size=0, ret=0, sg=0x105 offset=0
Writev byte buffer ionr=1/1 length=24
--000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 05
--016: 00 00 00 00 00 00 00 00
<........................>
DEBUG: DataHandler: done
DEBUG: OWSERVER tcp connection persistence -- reusing connection now.
DEBUG: NetRead attempt 24 bytes Time:(10,0)
Byte buffer NETREAD, length=24
--000: 00 00 00 00 00 00 00 06 00 00 00 04 00 00 01 05
--016: 00 00 00 00 00 00 00 00
<........................>
DEBUG: tcp_read n=24 nleft=0 n-nleft=24
DEBUG: FromClient payload=6 size=0 type=4 sg=0x105 offset=0
DEBUG: FromClient (no servermessage) payload=6 size=0 type=4 sg=0x105 offset=0
DEBUG: NetRead attempt 6 bytes Time:(10,0)
Byte buffer NETREAD, length=6
--000: 61 6C 61 72 6D 00
<alarm.>
DEBUG: tcp_read n=6 nleft=0 n-nleft=6
DEBUG: Persistence requested
CALL: DataHandler: parse path=alarm
DEBUG: FS_OWQ_create of alarm
CALL: PARSENAME path=[alarm]
CALL: Directory message (one at a time)
CALL: DirHandler: pn->path=alarm
DEBUG: OWSERVER SpecifiedBus=0 path=alarm
DEBUG: In FS_dir_remote(alarm)
CALL: DIRECTORY path=alarm
DEBUG: ALARM directory
DEBUG: Selecting a path (and device) path=alarm SN=00 00 00 00 00 00 00 00
last path=00 00 00 00 00 00 00 00
DEBUG: DS2482 read status ok
DEBUG: DS2482 Reset
DEBUG: BUS_next return = -19 | 00 00 00 00 00 00 00 00
DEBUG: Cache_Add_Device 00 00 00 00 00 00 00 00 bus=7
DEBUG: Add to cache sn 00 00 00 00 00 00 00 00 pointer=(nil) index=-1 size=4
DEBUG: FS_alarmdir BUS_first_alarm = -19
DEBUG: Return from ALARM is 0
DEBUG: FS_dir_both out ret=0
DEBUG: FS_OWQ_destroy of alarm
DEBUG: ParsedName_destroy alarm
DEBUG: DataHandler: FS_ParsedName_destroy done
DEBUG: DataHandler: cm.ret=0
DEBUG: ToClient payload=0 size=0, ret=0, sg=0x105 offset=0
Writev byte buffer ionr=1/1 length=24
--000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 05
--016: 00 00 00 00 00 00 00 00
<........................>
DEBUG: DataHandler: done
DEBUG: OWSERVER tcp connection persistence -- reusing connection now.
DEBUG: NetRead attempt 24 bytes Time:(10,0)
DEBUG: tcp_read n=24 nleft=24 n-nleft=0
DEBUG: OWSERVER handler done
DEBUG: Server Handler: Normal exit.
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