RE: [U2] [UV] This 2 line program can crash a UV session
I tried on universe 10.1.0 running on DEBIAN 3.1
This is the output from raid..
RAID BP TEST2
TEST2: 1: A=SPACE(7)
:: S
TEST2: 2: A= LOWER(FOLD(A,1))
:: S
Abnormal termination of UniVerse.
Fault type is 11. Layer type is BASIC run machine.
Fault occurred in BASIC program TEST2 at address e.
And here is the output from vlist
1: A=SPACE(7)
1 0 : 184 space 7 = A
2: A= LOWER(FOLD(A,1))
2 6 : 230 fold A 1 = $R0
2 E : 0DA lower $R0 = A
3: CRT A
3 00014 : 046 crtcrlfA
I tried to split lower and fold up into seperate lines, and ran the program
with RAID
after the fold A prints as an empty string but trying to display the content of
A with A/ in RAID
produces several screens of binary output from the display device (ugly sight)
file, and after that the program continues but dies on the call to lower() no
wonders with that input to lower :-)
scrolling up in the binary rubbish i can see this :
:: s
TEST2: 4: CRT '(':A:')'
:: A/
STRING: T r L=-1 `$p/@1STRING: %c %c L=%i `%s'~O
notice that L = -1 ; so right after this the LOWER(A) will try to manipulate
stuff from shared memory, perhaps some common variables ??+
how long is A when the reported length is -1 ??
this is a potential buffer underrun problem, time to exploit the possibility
for manipulating the run time engine :-))
I don't know if the above is useful but it was kind of interesting
best regards from 'sunny' Denmark
Claus Derlien
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Norman, David
(SAAS)
Sent: Monday, August 29, 2005 2:08 AM
To: 'u2-users@listserver.u2ug.org'
Subject: RE: [U2] [UV] This 2 line program can crash a UV session
Crashes on 10.0.16 HP-UX if folding on 1 character, OK if folding on
2characters.
David Norman
Senior Software Engineer
SA Ambulance Service
Box 3, GPO
Adelaide, South Australia 5001
*+61 8 8274 0384
fax +61 8 8271 4844
* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
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RE: [U2] [UV] This 2 line program can crash a UV session
We are running UniVerse 10.1.3, Windows 2003 Server it crashes here as well. So it is not a HP-UX error. Regards Bjorn -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jacques G. Sent: 27 August 2005 04:54 To: u2-users@listserver.u2ug.org Subject: [U2] [UV] This 2 line program can crash a UV session 0001: A = SPACE(7) 0002: A = LOWER(FOLD(A,1)) I've been using fold to put a VM at a specific interval in a variable for example: 001: A = FOLD(AABBCCDDEEFFGG,2) Which is shorter than: A = AA,BB,CC,DD,EE,FF,GG CONVERT , TO @AM IN A But fold has this feature where it will ignore the length specified if it finds spaces. (Something that would be nice to over-ride). In my case instead of getting a @AM between each space, the program crashes and kicks the user out of universe. Universe 10.1.8 running on HP-UX __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/ --- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
[U2] Trigger on a dictionary
Anyone know how to (neatly) add a trigger to a dictionary? create trigger blah after insert or update or delete on DICT FILE for each row calling *blah; UniVerse/SQL: DICT Unexpected Apart from maybe creating a temporary voc entry to the D_FILE not sure how to do this. Regards, Stuart --- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
RE: [U2] REMOVE results as promised.
Mark, Post your test program so we know the test will be exactly the same. I posted that I found substring assignment to be very fast (under one second) yet your test showed it as taking over 8 minutes. I suspect that this is not simply a platform difference, but rather the tests we used were significantly different. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Mark Johnson Sent: Sunday, August 28, 2005 7:15 PM To: u2-users@listserver.u2ug.org Subject: Re: [U2] REMOVE results as promised. Has anyone tested my reported D3 best method (DIM A(5) on another system? All of the alternate replies have been one or 2 tests on diverse systems. All 9 tests should be done on the same system to get relativity. My 1 cent. --- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
[U2] [UD] Have you seen this error (Invalid lock sequence)?
Has anyone seen this type of error before? (If it's in the docs, please point me there) In LIA/_TEST at line 8 upl lock error(102). In LIA/_TEST at line 8 1: error in U_dyn_hash for file 'MELG-VENDOR', key '200407*DELTA*123450099', number=12398 In LIA/_TEST at line 8 1: error in U_delete_tuple for file 'MELG-VENDOR', key '200407*DELTA*123450099', number=12398 In LIA/_TEST at line 8 UPL error = 102 : Invalid lock sequence In LIA/_TEST at line 8 Lockname (1199473 40632326) RX -- 101572608 PT-fid -- (1199473 40632326) ISR(101572608)--[0 1] 24(S 1) It is a problem? How can it be fixed? Thanks, Noah --- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
