On Wed, Dec 12, 2007 at 03:49:01PM +0100, Le Rouzic wrote:
> hi,
> Running as client RHEL5.1 Public Gold on a X86_64 bi-ways and
> as server 2.6.24-rc2-CITI_NFS4_ALL-1 on a X86_64 bi-ways,
> I get the following Oops on the server when on the client I run
> in a infinite loop iozone with -U option:
>
> while true
> do
> ./iozone -+q 30 -ace -r 64 -i 0 -i 1 -i 2 -f /mnt/nosec/nfs4_gb -U
> /mnt/nosec
> date
> sleep 30
> done
>
> =============================================================================
> Fedora Core release 6 (Zod)
> Kernel 2.6.24-rc2-CITI_NFS4_ALL-1 on an x86_64
>
> nfs4gb login: ------------[ cut here ]------------
> kernel BUG at net/sunrpc/svc_xprt.c:323!
This is the BUG_ON() in svc_xprt_enqueue(), here:
process:
if (!list_empty(&pool->sp_threads)) {
rqstp = list_entry(pool->sp_threads.next,
struct svc_rqst,
rq_list);
dprintk("svc: transport %p served by daemon %p\n",
xprt, rqstp);
svc_thread_dequeue(pool, rqstp);
if (rqstp->rq_xprt)
printk(KERN_ERR
"svc_xprt_enqueue: server %p, rq_xprt=%p!\n",
rqstp, rqstp->rq_xprt);
rqstp->rq_xprt = xprt;
svc_xprt_get(xprt);
rqstp->rq_reserved = serv->sv_max_mesg;
atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
BUG_ON(xprt->xpt_pool != pool);
wake_up(&rqstp->rq_wait);
} else {
(Tom, you can get that particular version from my git tree if you want to take
a look--there's a tag for 2.6.24-rc2-CITI_NFS4_ALL-1. It appears to be a
version of the transport switch from mid-october?)
--b.
> invalid opcode: 0000 [1] SMP
> Entering kdb (current=0xffff8100031e6080, pid 3227) on processor 1 Oops:
> <NULL>
> due to oops @ 0xffffffff805bfef1
> r15 = 0x0000000000001000 r14 = 0xffff810006cfc000
> r13 = 0xffff8100035363c0 r12 = 0xffff810004c30bc0
> rbp = 0xffff810007df4000 rbx = 0xffff810006994000
> r11 = 0xffff8100098c1d80 r10 = 0x0000000000007d2b
> r9 = 0x0000000000000004 r8 = 0xffff810004df9180
> rax = 0x0000000000041000 rcx = 0x0000000000000001
> rdx = 0x0000000000000000 rsi = 0x0000000000000001
> rdi = 0xffff810006994010 orig_rax = 0xffffffffffffffff
> rip = 0xffffffff805bfef1 cs = 0x0000000000000010
> eflags = 0x0000000000010203 rsp = 0xffff810007d73d90
> ss = 0x0000000000000018 ®s = 0xffff810007d73cf8
> [1]kdb>
> [1]kdb> bt
> Stack traceback for pid 3227
> 0xffff8100031e6080 3227 2 1 1 R 0xffff8100031e63a0 *nfsd
> rsp rip Function (args)
> 0xffff810007d73d78 0xffffffff805bfef1 svc_xprt_enqueue+0x19a
> (0xffff810006994000)
> 0xffff810007d73dc8 0xffffffff805b9198 svc_tcp_recvfrom+0x367
> (0xffff810006cfc000)
> 0xffff810007d73e48 0xffffffff805c0db8 svc_recv+0x62d
> (0xffff810006cfc000, 0xdbba0)
> 0xffff810007d73f08 0xffffffff803329db nfsd+0xdb (0xffff810006cfc000)
> 0xffff810007d73f48 0xffffffff8020cbf8 child_rip+0xa (invalid, invalid)
> [1]kdb>
>
> More at:
> Bug: http://bugzilla.linux-nfs.org/show_bug.cgi?id=155
>
> Regards
>
>
> --
> -----------------------------------------------------------------
> Company : Bull, Architect of an Open World TM (www.bull.com)
> Name : Aime Le Rouzic
> Mail : Bull - BP 208 - 38432 Echirolles Cedex - France
> E-Mail : [EMAIL PROTECTED]
> Phone : 33 (4) 76.29.75.51
> Fax : 33 (4) 76.29.75.18
> -----------------------------------------------------------------
>
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