sda_-_how_do_i_find_who_is_trying_to_allocate_or_deallocate_nonpaged_pool
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— | sda_-_how_do_i_find_who_is_trying_to_allocate_or_deallocate_nonpaged_pool [2019/02/12 19:54] (current) – created mmacgregor | ||
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+ | ==== Introduction ==== | ||
+ | |||
+ | You notice that NONPAGED POOL expansion has been occurring on the system. | ||
+ | |||
+ | ==== Details ==== | ||
+ | |||
+ | First you will need to have one of these two SYSGEN parameters enabled. | ||
+ | |||
+ | < | ||
+ | SYSTEM_CHECK | ||
+ | |||
+ | | ||
+ | | ||
+ | | ||
+ | |||
+ | | ||
+ | | ||
+ | of the following parameters are not actually changed): | ||
+ | |||
+ | | ||
+ | |||
+ | | ||
+ | bugchecks. | ||
+ | |||
+ | | ||
+ | an allocated pool pattern | ||
+ | of %x61616161 (' | ||
+ | deallocated pool pattern of | ||
+ | x64646464 (' | ||
+ | |||
+ | | ||
+ | checking. | ||
+ | |||
+ | While SYSTEM_CHECK is enabled, the previous settings of the | ||
+ | | ||
+ | | ||
+ | | ||
+ | |||
+ | | ||
+ | of the additional system monitoring. These image files are | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | POOLCHECK | ||
+ | |||
+ | This special parameter is used by HP and is subject to change. Do | ||
+ | not change this parameter unless HP recommends that you do so. | ||
+ | |||
+ | | ||
+ | | ||
+ | | ||
+ | |||
+ | Two loadable forms of SYSTEM_PRIMITIVES.EXE are available at | ||
+ | boot time. The default image, which contains no pool-checking | ||
+ | code and no statistics maintenance, | ||
+ | is set to zero. When POOLCHECK is set to a nonzero value, the | ||
+ | | ||
+ | | ||
+ | |||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | |||
+ | | ||
+ | value to have any effect, POOLCHECK must be non-0 at boot time | ||
+ | (to load the monitoring version of SYSTEM_PRIMITIVES.EXE).</ | ||
+ | |||
+ | NOTE: SYSTEM_CHECK is not dynamic and would require a system reboot to take effect. | ||
+ | |||
+ | Booting the system with POOLCHECK non-zero or SYSTEM_CHECK = 1 loads the monitoring version of the system_primitives loadable image. This records allocations/ | ||
+ | |||
+ | SDA> SHOW POOL /RING | ||
sda_-_how_do_i_find_who_is_trying_to_allocate_or_deallocate_nonpaged_pool.txt · Last modified: 2019/02/12 19:54 by mmacgregor