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 [ 3437.019215] [ 3437.019216] [ 3437.019217] Code: 8b 07 48 89 fb f6 c4 40 74 09 5b 5d 41 5c e9 42 fb ff ff f0
It seems to be related to the splice patches. I tried fixing the crash by adding a NULL ptr check before the first put_page in nfsd_read_actor, that fixed the crash but the files contained what looks like random garbage afterwards. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
