[DragonFlyBSD - Bug #2930] (New) 'objcache' causes panic during 'nfs_readdir'

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2930 has been reported by tofergus.

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Bug #2930: 'objcache' causes panic during 'nfs_readdir'
http://bugs.dragonflybsd.org/issues/2930

* Author: tofergus
* Status: New
* Priority: High
* Assignee: 
* Category: VFS subsystem
* Target version: 
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'vkernel' with '/home' file system mounted from host produces the following panic when trying to read a directory with 10s of 1000s of files.  Increasing memory to the 'vkernel' avoids the issue.

panic: NFS node: malloc limit exceeded
cpuid = 0
Trace beginning at frame 0x80291f70a0
panic() at 0x4bc587
panic() at 0x4bc587
kmalloc() at 0x4b87aa
objcache_malloc_alloc() at 0x4af344
objcache_get() at 0x4afba5
nfs_nget_nonblock() at 0x5f7ab4
Debugger("panic")

CPU0 stopping CPUs: 0x0000000000000000
 stopped
Stopped at      0x6ab941:       movb    $0,0x1165564(%rip)




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