Re: nfsd oops in current -git

[Chuck Ebbert]

On 07/13/2007 09:40 AM, Patrick McHardy wrote:
> I get this oops with current -git:
> 
> [ 3437.018862] PGD 9acab067 PUD 9acaa067 PMD 0
> [ 3437.018870] CPU 1
> [ 3437.018872] Modules linked in: nfsd exportfs ppdev lp nfs lockd
> nfs_acl sunrpc deflate zlib_deflate zlib_inflate twofish twofish_common
> camellia serpent blowfish des cbc ecb blkcipher aes xcbc sha256
> crypto_null af_key rfcomm l2cap fuse nfnetlink_queue nfnetlink_log
> nf_conntrack_netlink nf_nat nf_conntrack_ipv6 nf_conntrack_ipv4
> nf_conntrack nfnetlink ip6_tables ip_tables x_tables hangcheck_timer
> cpufreq_ondemand powernow_k8 freq_table video backlight thermal
> processor fan ide_generic ide_disk ide_cd cdrom generic hci_usb
> bluetooth usbhid hid snd_via82xx snd_seq_dummy snd_seq_oss
> snd_via82xx_modem snd_ac97_codec ac97_bus snd_seq_midi
> snd_seq_midi_event snd_pcm_oss snd_mixer_oss snd_mpu401 snd_pcm
> snd_mpu401_uart snd_seq snd_timer snd_rawmidi snd_seq_device parport_pc
> snd psmouse parport via82cxxx serio_raw i2c_viapro evdev ehci_hcd sky2
> snd_page_alloc uhci_hcd ide_core soundcore pcspkr
> [ 3437.018923] Pid: 4432, comm: nfsd Not tainted 2.6.22 #5
> [ 3437.018926] RIP: 0010:[<ffffffff81054eff>]  [<ffffffff81054eff>]
> put_page+0x4/0xb3
> [ 3437.018932] RSP: 0018:ffff8101335f5c40  EFLAGS: 00010203
> [ 3437.018935] RAX: 0000000000000000 RBX: ffff810133576000 RCX:
> ffff8100a0fa5ab8
> [ 3437.018938] RDX: ffff810003754428 RSI: ffff8100a0fa5868 RDI:
> 0000000000000000
> [ 3437.018942] RBP: ffff810003754428 R08: ffff8100a1b7c5d8 R09:
> ffff8101335f5c10
> [ 3437.018946] R10: ffff810003739a78 R11: ffff81009ec61d40 R12:
> ffff810133576570
> [ 3437.018950] R13: ffff8100a0fa5868 R14: 0000000000001000 R15:
> ffff810133576168
> [ 3437.018954] FS:  00002ad8e9fab6f0(0000) GS:ffff81013fc72e40(0000)
> knlGS:00000000f7e426c0
> [ 3437.018957] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 3437.018959] CR2: 0000000000000000 CR3: 000000009a91a000 CR4:
> 00000000000006e0
> [ 3437.018963] Process nfsd (pid: 4432, threadinfo ffff8101335f4000,
> task ffff81013f969040)
> [ 3437.018965] Stack:  ffff810133576000 ffff810003754428
> ffff810133576570 ffffffff8830e001
> [ 3437.018973]  ffff810003747500 ffff8100a0fa5868 ffff8100a0fa5800
> ffff8101335f5d80
> [ 3437.018978]  0000000000000000 0000000000000000 ffffffff8122c440
> ffffffff810892ac
> [ 3437.018982] Call Trace:
> [ 3437.019002]  [<ffffffff8830e001>] :nfsd:nfsd_splice_actor+0x71/0xea
> [ 3437.019010]  [<ffffffff810892ac>] __splice_from_pipe+0x58/0x1bf
> [ 3437.019023]  [<ffffffff8830df90>] :nfsd:nfsd_splice_actor+0x0/0xea
> [ 3437.019040]  [<ffffffff8830d326>]
> :nfsd:nfsd_direct_splice_actor+0x10/0x12
> [ 3437.019044]  [<ffffffff81088efc>] splice_direct_to_actor+0xfd/0x19d
> [ 3437.019058]  [<ffffffff8830d316>] :nfsd:nfsd_direct_splice_actor+0x0/0x12
> [ 3437.019076]  [<ffffffff8830d1f4>] :nfsd:nfsd_vfs_read+0x22b/0x34d
> [ 3437.019098]  [<ffffffff8830d715>] :nfsd:nfsd_read+0xa7/0xc4
> [ 3437.019117]  [<ffffffff88314539>] :nfsd:nfsd3_proc_read+0x117/0x15a
> [ 3437.019133]  [<ffffffff8830924d>] :nfsd:nfsd_dispatch+0xdd/0x19e
> [ 3437.019156]  [<ffffffff88280194>] :sunrpc:svc_process+0x3f3/0x703
> [ 3437.019164]  [<ffffffff81212423>] __lock_text_start+0x23/0x7e
> [ 3437.019180]  [<ffffffff88309817>] :nfsd:nfsd+0x193/0x2b0
> [ 3437.019188]  [<ffffffff8100a9c8>] child_rip+0xa/0x12
> [ 3437.019207]  [<ffffffff88309684>] :nfsd:nfsd+0x0/0x2b0
> [ 3437.019212]  [<ffffffff8100a9be>] child_rip+0x0/0x12

Does Jens's patch fix it?

http://marc.info/?l=linux-netdev&m=118432481101579&q=raw
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