Segmentation fault


 
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Operating Systems Linux Segmentation fault
# 1  
Old 07-20-2007
Segmentation fault

Hi,
on a linux Red HAT(with Oracle DB 9.2.0.7) I have following error :

RMAN> delete obsolete;

RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 2
using channel ORA_DISK_1
Segmentation fault
What does it mean ? And the solution ?
Many thanks.
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CHRT(1) 							   User Commands							   CHRT(1)

NAME
chrt - manipulate the real-time attributes of a process SYNOPSIS
chrt [options] priority command [argument...] chrt [options] -p [priority] pid DESCRIPTION
chrt sets or retrieves the real-time scheduling attributes of an existing pid, or runs command with the given attributes. POLICIES
-o, --other Set scheduling policy to SCHED_OTHER. This is the default Linux scheduling policy. -f, --fifo Set scheduling policy to SCHED_FIFO. -r, --rr Set scheduling policy to SCHED_RR. When no policy is defined, the SCHED_RR is used as the default. -b, --batch Set scheduling policy to SCHED_BATCH (Linux-specific, supported since 2.6.16). The priority argument has to be set to zero. -i, --idle Set scheduling policy to SCHED_IDLE (Linux-specific, supported since 2.6.23). The priority argument has to be set to zero. -d, --deadline Set scheduling policy to SCHED_DEADLINE (Linux-specific, supported since 3.14). The priority argument has to be set to zero. See also --sched-runtime, --sched-deadline and --sched-period. The relation between the options required by the kernel is runtime <= deadline <= period. chrt copies period to deadline if --sched-deadline is not specified and deadline to runtime if --sched-runtime is not specified. It means that at least --sched-period has to be specified. See sched(7) for more details. SCHEDULING OPTIONS
-T, --sched-runtime nanoseconds Specifies runtime parameter for SCHED_DEADLINE policy (Linux-specific). -P, --sched-period nanoseconds Specifies period parameter for SCHED_DEADLINE policy (Linux-specific). -D, --sched-deadline nanoseconds Specifies deadline parameter for SCHED_DEADLINE policy (Linux-specific). -R, --reset-on-fork Add SCHED_RESET_ON_FORK flag to the SCHED_FIFO or SCHED_RR scheduling policy (Linux-specific, supported since 2.6.31). OPTIONS
-a, --all-tasks Set or retrieve the scheduling attributes of all the tasks (threads) for a given PID. -m, --max Show minimum and maximum valid priorities, then exit. -p, --pid Operate on an existing PID and do not launch a new task. -v, --verbose Show status information. -V, --version Display version information and exit. -h, --help Display help text and exit. USAGE
The default behavior is to run a new command: chrt priority command [arguments] You can also retrieve the real-time attributes of an existing task: chrt -p pid Or set them: chrt -r -p priority pid PERMISSIONS
A user must possess CAP_SYS_NICE to change the scheduling attributes of a process. Any user can retrieve the scheduling information. NOTES
Only SCHED_FIFO, SCHED_OTHER and SCHED_RR are part of POSIX 1003.1b Process Scheduling. The other scheduling attributes may be ignored on some systems. Linux' default scheduling policy is SCHED_OTHER. SEE ALSO
nice(1), renice(1), taskset(1), sched(7) See sched_setscheduler(2) for a description of the Linux scheduling scheme. AUTHORS
Robert Love <rml@tech9.net> Karel Zak <kzak@redhat.com> AVAILABILITY
The chrt command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/. util-linux January 2016 CHRT(1)

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