Another report of ncpfs regression in 2.6.38: On Mon, 2011-04-04 at 19:29 -0400, Diego Rubert wrote: > Package: linux-2.6 > Version: 2.6.38-2 > Severity: grave > > Got a bug message when listing items on ncpfs filesystem with 'ls' command. > Makes mounted filesystem useless. > Trace: > > [ 48.940407] ------------[ cut here ]------------ > [ 48.941485] kernel BUG at /build/buildd- > linux-2.6_2.6.38-2-amd64-6G9fmV/linux-2.6-2.6.38/debian/build/source_amd64_none/fs/dcache.c:2134! > [ 48.942559] invalid opcode: 0000 [#1] SMP > [ 48.943651] last sysfs file: /sys/devices/virtual/sound/timer/uevent > [ 48.944386] CPU 1 > [ 48.944386] Modules linked in: nls_cp437 nls_utf8 parport_pc ncpfs > ppdev lp > parport snd_hrtimer fuse coretemp loop snd_hda_codec_analog snd_hda_intel > snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi > snd_rawmidi i915 snd_seq_midi_event snd_seq snd_timer snd_seq_device snd > soundcore snd_page_alloc drm_kms_helper drm i2c_algo_bit wmi pcspkr tpm_tis > psmouse i2c_i801 tpm i2c_core tpm_bios serio_raw container video processor > thermal_sys evdev button ext4 mbcache jbd2 crc16 sg sd_mod sr_mod cdrom > crc_t10dif usb_storage usbhid hid uas uhci_hcd ata_generic ata_piix libata > ehci_hcd e1000e floppy usbcore scsi_mod nls_base [last unloaded: > scsi_wait_scan] > [ 48.944386] > [ 48.944386] Pid: 2176, comm: bash Not tainted 2.6.38-2-amd64 #1 LENOVO > 6234CY8/LENOVO > [ 48.944386] RIP: 0010:[<ffffffff8110716a>] [<ffffffff8110716a>] > dentry_update_name_case+0x17/0x4f > [ 48.944386] RSP: 0018:ffff88006fd8f9c8 EFLAGS: 00010246 > [ 48.944386] RAX: 0000000000000000 RBX: ffff88005dc853c0 RCX: > 00000000ffff0bcc > [ 48.944386] RDX: 0000000000000053 RSI: ffff88006fd8fa98 RDI: > ffff88005dc853c0 > [ 48.944386] RBP: ffff88006fd8fa98 R08: 0000000000000000 R09: > ffff88005dc853fc > [ 48.944386] R10: 0000000000000053 R11: ffff880075b0fdb0 R12: > ffff88005dc65b40 > [ 48.944386] R13: ffff88006fd8fc58 R14: 0000000000000001 R15: > ffff88005dc853c0 > [ 48.944386] FS: 00007f8a2d762700(0000) GS:ffff880075b00000(0000) > knlGS:0000000000000000 > [ 48.944386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 48.944386] CR2: 00007f23b106bac0 CR3: 000000006fc5b000 CR4: > 00000000000406e0 > [ 48.944386] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 48.944386] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 48.944386] Process bash (pid: 2176, threadinfo ffff88006fd8e000, task > ffff88006fdaca40) > [ 48.944386] Stack: > [ 48.944386] ffff88005dca6048 ffff88005dca6048 ffff880071919300 > ffffffffa038d1b5 > [ 48.944386] ffff88006fd8fac4 0000000000013700 0000000000000000 > 00000004810086fe > [ 48.944386] 0000000000000000 ffff88006fd8fe68 0000000000000002 > ffff88005e3aa000 > [ 48.944386] Call Trace: > [ 48.944386] [<ffffffffa038d1b5>] ? ncp_fill_cache+0x1b5/0x42a [ncpfs] > [ 48.944386] [<ffffffff81104c5c>] ? filldir+0x0/0xc3 > [ 48.944386] [<ffffffff810ec2a8>] ? virt_to_head_page+0x9/0x2d > [ 48.944386] [<ffffffffa0393407>] ? ncp_do_request+0x30f/0x321 [ncpfs] > [ 48.944386] [<ffffffff81060331>] ? autoremove_wake_function+0x0/0x2a > [ 48.944386] [<ffffffffa03934f7>] ? ncp_request2+0x49/0x76 [ncpfs] > [ 48.944386] [<ffffffffa0391989>] ? ncp_search_for_fileset+0x1a4/0x1e6 > [ncpfs] > [ 48.944386] [<ffffffffa038d65e>] ? ncp_do_readdir+0x139/0x18d [ncpfs] > [ 48.944386] [<ffffffff81104c5c>] ? filldir+0x0/0xc3 > [ 48.944386] [<ffffffff810e536f>] ? alloc_pages_vma+0x108/0x124 > [ 48.944386] [<ffffffff810b5409>] ? find_get_page+0x3b/0x5e > [ 48.944386] [<ffffffff810b67d4>] ? lock_page+0xe/0x2c > [ 48.944386] [<ffffffffa038dc34>] ? ncp_readdir+0x582/0x587 [ncpfs] > [ 48.944386] [<ffffffff81104c5c>] ? filldir+0x0/0xc3 > [ 48.944386] [<ffffffff810d5b2c>] ? vma_merge+0x1ef/0x34a > [ 48.944386] [<ffffffff81104c5c>] ? filldir+0x0/0xc3 > [ 48.944386] [<ffffffff81104d86>] ? vfs_readdir+0x67/0xa4 > [ 48.944386] [<ffffffff81104eff>] ? sys_getdents+0x7d/0xcd > [ 48.944386] [<ffffffff81327255>] ? page_fault+0x25/0x30 > [ 48.944386] [<ffffffff81009952>] ? system_call_fastpath+0x16/0x1b > [ 48.944386] Code: 8b 52 24 89 50 24 c3 8b 48 24 8b 72 24 89 70 24 89 > 4a 24 > c3 55 48 89 f5 53 48 89 fb 48 83 ec 08 48 8b 47 30 8b 40 28 ff c8 75 04 > <0f> 0b > eb fe 8b 47 24 3b 46 04 74 04 0f 0b eb fe 48 8d 7f 5c e8 > [ 48.944386] RIP [<ffffffff8110716a>] dentry_update_name_case+0x17/0x4f > [ 48.944386] RSP <ffff88006fd8f9c8> > [ 49.009088] ---[ end trace 274c8a8a3c2d4f6d ]--- [...] -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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