Re: LWKT_WAIT_IPIQ panic

["Steve O'Hara-Smith" <steve@xxxxxxxxxx>]

On Wed, 23 Feb 2011 18:07:29 +0000
"Steve O'Hara-Smith" <steve@sohara.org> wrote:

> 	Hi,
> 
> 	I just got an LWKT_WAIT_IPIQ panic on a box running head from this
> morning (UK time). hand copied trace

	I'm getting these at random intervals usually at least once a day.
I'm also seeing ssh stalls on ipv6 connections to the box (but not on ipv4)
and a boot time message:

clist_alloc_cblocks: M_NOWAIT kmalloc failed, trying M_WAITOK

	I've no idea whether or not these things are related but they all
started about the same time:

> LWKT_WAIT_IPIQ WARNING! 0 wait 0 (-1)
> panic: LWKT)WAIT_IPIQ
> cpuid = 0
> Trace beginning at frame 0xd6696cb0
> panic (ffffffff) at panic + 0x164
> panic (c040bf26, deadc0de, c67096a0, ff000000)
> lwkt_wait_ipiq (deadc0de, 1, deadc0de, c01e5c34, c67096a0) at
> lwkt_wait_ipiq + 0x93
> callout_stop (c670960a) at callout_stop + 0xe3
> callout_reset (...)
> filt_timer_expire (...)
> softclock_handler (...)
> lwkt_exit()
> 
> 	The box is running a vinum RAID0 on a couple of terabyte drives
> with a Hammer filesystem on the mirror, an SSD for the OS and swap (16GB
> with swapcache enabled) and three vkernel environments running various
> services (incoming mail + dovecot, IPV6 tunnel termination with pf
> firewall, thttpd web server) as well as NFS exports and mediatomb running
> on the host. It's an Asus M4A78L-M motherboard with an AMD Phenom II X4
> 955 and 4GB of memory

-- 
Steve O'Hara-Smith                          |   Directable Mirror Arrays
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