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Good day,
I've noticed a problem using /sbin/hcp in one of my VMs on z/VM 5.2.0.
It is a BG user with MAINTCCW, RMCHINFO and QUICKDSP, MACH=ESA. It's running
SLES9SP3, kernel 2.6.5-7.244-s390x, cpint-2.3.0-0.4.
I tried LINKing to two new (own) MDISKs after fixing user directory and
installing it with DIRECTXA, but there was no response and nothing at all
happened. QUERY MDISK returned no information.
strace(8) ends pretty quickly (30 syscalls), main things of interest being:
...
mmap(NULL, 4096, PROT_READ|PROT_WRITE,
~ MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2000017d000
munmap(0x2000001b000, 80047) = 0
brk(0) = 0x80003000
brk(0x80034000) = 0x80034000
open("/dev/cpcmd", O_RDWR) = 3
write(3, "q mdisk 0000-ffff ", 18) = 18
read(3, "", 65535) = 0
ioctl(3, 0x80046b01, 0x3fffffff148) = 0
close(3) = 0
brk(0x80024000) = 0x80024000
exit_group(1) = ?
...immediately before the end of execution. Execution stops after
exit_group(1), without a signal. Exit status of the command is 0.
/dev/cpcmd exists and is a character special device, major 107, minor 8,
permissions 0770, root:root.
The cpint kernel module is successfully loaded, but use count always shows zero.
Any ideas?
Kind regards,
- --
~ Grega Bremec
~ gregab at p0f dot net
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