From: Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: Q: How can I run nfs-utils on MIPS uclibc-based distro
	with kernel 2.6?
Date: Wed, 04 Jan 2006 11:40:55 +0100
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To: linux <linux@karasik.org>
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On Wed, 2006-01-04 at 10:35 +0000, linux wrote:
> According to Vincent Roqueta (I received his  reply to my private address)   nfs-utils v.1.0.1 shouldn't work with kernels 2.6.

??? Sure it will. 2.6 kernels have legacy support for older versions of
both mount and nfs-utils.

Cheers,
  Trond

> Vitaly
> 
> 
> >  -------Original Message-------
> >  From: Trond Myklebust <trond.myklebust@fys.uio.no>
> >  Subject: Re: [NFS] Q: How can I run nfs-utils on MIPS uclibc-based distro 	with kernel 2.6?
> >  Sent: 04 Jan '06 09:56
> >  
> >  On Wed, 2006-01-04 at 08:43 +0000, linux wrote:
> >  > I'm trying to install nfs-utils on my mips kernel2.6 and uclibc-based linux box.
> >  >
> >  > The first thing I did it's compilation the latest stable  1.0.7 version with mips uclibc-based toolchain. comiplation failed with
> >  > ../../support/lib/libexport.a(client.o)(.text+0x718):/disks/uilstore/disk604/vkarasik/CDA/NFS-UTILS/mike/nfs-utils-1.0.7/support/export/client.c:385: undefined reference to `innetgr'
> >  > message - as far as I understand, because uclibc misses some NIS-related functions.
> >  >
> >  > We were able to build  binaries using 1.0.1 nfs-utils. NFS server starts but each time when client access NFS share there is error messages in dmesg log and nfs works very-very slowly.  May be nfs-utils 1.0.1 isn't supposed to work with kernel 2.6?
> >  >
> >  > Any ideas are welcome!
> >  > TIA, Vitaly
> >  > PS: this is errors from dmesg:
> >  > Badness in local_bh_enable at kernel/softirq.c:140
> >  > Call Trace:
> >  >  [<8002f498>] local_bh_enable+0x74/0x9c
> >  >  [<800231ac>] __wake_up_common+0x68/0xb8
> >  >  [<8025d48c>] svc_write_space+0x48/0xb8
> >  >  [<8025d48c>] svc_write_space+0x48/0xb8
> >  >  [<801dffdc>] sock_wfree+0x104/0x184
> >  >  [<8002323c>] __wake_up+0x40/0x7c
> >  >  [<c04d73f4>] BDBG_P_TestAndPrintHeader+0x28/0xa0 [balcore]
> >  >  [<8003db48>] queue_work+0x58/0xdc
> >  >  [<801e3320>] __kfree_skb+0xb8/0x150
> >  >  [<8003dabc>] __queue_work+0x6c/0xa0
> >  >  [<c04feff0>] BINT_Isr+0x15c/0x21c [balcore]
> >  >  [<8017b754>] bcmemac_net_xmit+0xbc/0x7d0
> >  >  [<8017d0a8>] tx_reclaim_timer+0x0/0x104
> >  >  [<8017d0cc>] tx_reclaim_timer+0x24/0x104
> >  >  [<8000973c>] timer_interrupt+0x128/0x270
> >  >  [<8003408c>] run_timer_softirq+0x118/0x228
> >  >  [<8002f28c>] __do_softirq+0x8c/0x16c
> >  >  [<8002f28c>] __do_softirq+0x8c/0x16c
> >  >  [<8002f3f8>] do_softirq+0x8c/0xb8
> >  >  [<80004914>] do_IRQ+0x24/0x34
> >  >  [<80001d68>] brcmIRQ+0x108/0x180
> >  >  [<80001d84>] brcmIRQ+0x124/0x180
> >  >  [<80004b58>] cpu_idle+0x58/0x60
> >  >  [<80002fa4>] r4k_wait+0x0/0xc
> >  >  [<c0551c04>] BREG_Read32+0x0/0x88 [balcore]
> >  >  [<80004b3c>] cpu_idle+0x3c/0x60
> >  >  [<80002fa8>] r4k_wait+0x4/0xc
> >  >  [<8000141c>] _stext+0x1c/0x28
> >  >  [<80137ce0>] idr_cache_ctor+0x0/0xc
> >  >  [<802d9000>] _sinittext+0x0/0x88
> >  >  [<802d97d0>] start_kernel+0x1d4/0x200
> >  >  [<802d97b4>] start_kernel+0x1b8/0x200
> >  >  [<802d9138>] unknown_bootoption+0x0/0x324
> >  >  [<802d9024>] _sinittext+0x24/0x88
> >  >  [<8023016c>] udp_push_pending_frames+0x2c0/0x2c8
> >  >  [<802305b4>] udp_sendmsg+0x440/0xa50
> >  >  [<8020c920>] ip_generic_getfrag+0x0/0xbc
> >  >  [<8020d1ec>] ip_append_data+0x810/0xa7c
> >  >  [<800029b4>] brcm_mips_int2_dispatch+0xfc/0x1d8
> >  >  [<80263adc>] xdr_sendpages+0x1dc/0x29c
> >  >  [<801e0c18>] lock_sock+0xc4/0xd8
> >  >  [<802303d8>] udp_sendmsg+0x264/0xa50
> >  >  [<802303c0>] udp_sendmsg+0x24c/0xa50
> >  >  [<801e2250>] sk_common_release+0x50/0x10c
> >  >  [<8020c920>] ip_generic_getfrag+0x0/0xbc
> >  >  [<801dc934>] sock_sendmsg+0xac/0xf0
> >  >  [<80044b30>] autoremove_wake_function+0x0/0x44
> >  >  [<801dc934>] sock_sendmsg+0xac/0xf0
> >  >  [<801dc99c>] kernel_sendmsg+0x24/0x38
> >  >  [<801e0c18>] lock_sock+0xc4/0xd8
> >  >  [<801e1000>] sock_no_sendpage+0x68/0x74
> >  >  [<80230d0c>] udp_sendpage+0x148/0x1b0
> >  >  [<80230c68>] udp_sendpage+0xa4/0x1b0
> >  >  [<80252f00>] rpc_call_sync+0x9c/0xd8
> >  >  [<8025d044>] svc_sendto+0x8c/0x274
> >  >  [<8025d1b4>] svc_sendto+0x1fc/0x274
> >  >  [<8013d640>] memset_partial+0x24/0x6c
> >  >  [<8025ddd4>] svc_udp_sendto+0x20/0x70
> >  >  [<80262b30>] svcauth_unix_release+0xd8/0x108
> >  >  [<8025eef4>] svc_send+0x23c/0x29c
> >  >  [<8025ed18>] svc_send+0x60/0x29c
> >  >  [<80260e88>] svc_authorise+0x2c/0xec
> >  >  [<c01551b0>] nfs3svc_release_fhandle+0x18/0x28 [nfsd]
> >  >  [<8025c298>] svc_process+0x354/0x83c
> >  >  [<80023124>] default_wake_function+0x0/0x20
> >  >  [<8025e5b0>] svc_recv+0x0/0x6b8
> >  >  [<8003892c>] sigprocmask+0x0/0x1bc
> >  >  [<c013f5dc>] nfsd+0x250/0x5a0 [nfsd]
> >  >  [<c013f38c>] nfsd+0x0/0x5a0 [nfsd]
> >  >  [<80005064>] kernel_thread_helper+0x10/0x18
> >  >  [<80005054>] kernel_thread_helper+0x0/0x18
> >  
> >  The above looks like an unbalanced local_bh_disable()/local_bh_enable()
> >  pair in the kernel. Since we're not seeing it on any other setup that
> >  I'm aware of, then I'd guess that this is a MIPS arch bug, or possibly a
> >  bug in one of your hardware drivers (the NIC would be a prime candidate
> >  given the above trace).
> >  
> >  As for the inability to compile nfs-utils with uclibc: I doubt any of
> >  the developers have tested that. Patches would be welcome.
> >  
> >  Cheers,
> >    Trond
> >  
> >  
> >  
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