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тАО05-05-2005 01:12 AM
тАО05-05-2005 01:12 AM
Re: VMS Alpha V8.2 Watchpoint utility broken
Here is an easy reproducer for showing, that the watchpoint driver does not work on V8.2 (I'm currently on vacation, so I can't try the same on V7.3-1). This has all been done on a non-SMP machine.
- load WPDRIVER, set MAXBUF=64000
$ANAL/SYS
SDA>CLUE XQP/FCB
Select an address of one of the cached FCBs and set a watchpoint on+FCB$L_EXFCB (I typically used the FCB for [SYSEXE] or [SYSMGR])
$MC WP watch Gxxxxxxx/SILENT/LONG
Then try a DIR command on that directory. I always get an INVEXCEPTN crash (see my previous reply).
Volker.
- load WPDRIVER, set MAXBUF=64000
$ANAL/SYS
SDA>CLUE XQP/FCB
Select an address of one of the cached FCBs and set a watchpoint on
$MC WP watch Gxxxxxxx/SILENT/LONG
Then try a DIR command on that directory. I always get an INVEXCEPTN crash (see my previous reply).
Volker.
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тАО05-08-2005 08:38 PM
тАО05-08-2005 08:38 PM
Re: VMS Alpha V8.2 Watchpoint utility broken
Dave,
I've now tested the same WP setup and commands on V7.3-1 and it works as expected.
I had to set a WATCHPOINT on FCB$L_WCBFL instead of FCB$L_EXFCB, as [SYS0]SYSEXE.DIR (fid=12) used for testing did not have an extension file header.
So it looks like WPDRIVER is just broken in V8.2 - a pity, which prevents us from further analysing your UNXSIGNAL crash.
Volker.
I've now tested the same WP setup and commands on V7.3-1 and it works as expected.
I had to set a WATCHPOINT on FCB$L_WCBFL instead of FCB$L_EXFCB, as [SYS0]SYSEXE.DIR (fid=12) used for testing did not have an extension file header.
So it looks like WPDRIVER is just broken in V8.2 - a pity, which prevents us from further analysing your UNXSIGNAL crash.
Volker.
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тАО05-08-2005 10:42 PM
тАО05-08-2005 10:42 PM
Re: VMS Alpha V8.2 Watchpoint utility broken
Volker,
Thanks for that -- now we sit back and wait.
Dave
Thanks for that -- now we sit back and wait.
Dave
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тАО09-05-2005 12:17 AM
тАО09-05-2005 12:17 AM
Re: VMS Alpha V8.2 Watchpoint utility broken
Any developments on this issue will be reported...
Dave
Dave
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