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Date: Tue, 16 Oct 2007 14:33:38 -0700 From: "Nish Aravamudan" <nish.aravamudan@...il.com> To: "Randy Dunlap" <randy.dunlap@...cle.com> Cc: linux-kernel <linux-kernel@...r.kernel.org>, NetDev <netdev@...r.kernel.org>, chas@....nrl.navy.mil Subject: Re: atm: panic when loading clip 2nd time On 10/16/07, Randy Dunlap <randy.dunlap@...cle.com> wrote: > 2.6.23-git7, using SLAB (not SLUB) [config attached]: > > # modprobe clip > # rmmod clip > # modprobe clip > > results in panic: > > kmem_cache_create: duplicate cache clip_arp_cache > > Call Trace: > [<ffffffff8028c682>] kmem_cache_create+0x3bf/0x3fd > [<ffffffff8046ba1d>] neigh_table_init_no_netlink+0x6c/0x242 > [<ffffffff8800a010>] :clip:atm_clip_init+0x10/0x8a > [<ffffffff80258ba4>] sys_init_module+0x146c/0x15cd > [<ffffffff8046be0a>] neigh_lookup+0x0/0xd5 > [<ffffffff8020ef44>] syscall_trace_enter+0x95/0x99 > [<ffffffff8020beec>] tracesys+0xdc/0xe1 > > Kernel panic - not syncing: kmem_cache_create(): failed to create slab `clip_arp_cache' >From a quick read through the code, looks like net/core/neighbour.c:neigh_table_clear() needs a kmem_cache_destroy()? I only see three callers of neight_table_clear() and they all seem to be in exit routines, so that should be safe? -Nish - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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