Hi -- I just want to follow up that I encountered the same (or very similar may
be ;-)) problem on 2.6.18-1-686 pretty much under the same conditions
(sshfs link wasn't heavily used -- box was in the middle of upgrade to up to
date lenny):
kernel BUG at fs/fuse/control.c:82!
invalid opcode: 0000 [#1]
SMP
Modules linked in: nls_cp437 vfat fat sd_mod usb_storage scsi_mod nls_koi8_r
iso fs binfmt_misc rfcomm l2cap bluetooth nfs nfsd exportfs lockd nfs_acl
sunrpc ppd ev lp ip6table_filter ip6_tables xt_pkttype iptable_raw
xt_CLASSIFY xt_CONNMARK xt_MARK xt_length xt_connmark xt_physdev bridge
xt_policy xt_conntrack iptable_m angle ipt_ULOG ipt_TTL ipt_ttl ipt_TOS
ipt_tos ipt_TCPMSS ipt_SAME ipt_REDIRECT ipt_recent ipt_NETMAP
ipt_MASQUERADE ipt_iprange ipt_hashlimit ipt_ECN ipt_ecn i pt_DSCP
ipt_dscp ipt_CLUSTERIP ipt_ah ipt_addrtype ip_nat_irc ip_nat_tftp ip_nat
_ftp ip_conntrack_irc ip_conntrack_tftp ip_conntrack_ftp ipv6 ipt_REJECT
ipt_own er ipt_LOG xt_limit xt_state xt_tcpudp xt_multiport iptable_nat
ip_nat ip_conntr ack nfnetlink iptable_filter ip_tables x_tables deflate
zlib_deflate twofish ser pent aes blowfish des sha256 sha1 crypto_null
af_key efs fuse dm_snapshot dm_mir ror dm_mod nvidia autofs4 tsdev
snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm _oss snd_pcm
snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi sn
d_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore intel_rng
psmous e i2c_i801 parport_pc intel_agp snd_page_alloc shpchp pci_hotplug
serio_raw i2c_ core eth1394 parport pcspkr agpgart floppy rtc evdev ext3
jbd mbcache ide_generi c ide_cd cdrom ide_disk usbhid piix ohci1394
ieee1394 e1000 ehci_hcd generic ide _core uhci_hcd usbcore thermal
processor fan
CPU: 0
EIP: 0060:[<f8d13cad>] Tainted: P VLI
EFLAGS: 00210202 (2.6.18-1-686 #1)
EIP is at fuse_ctl_add_dentry+0x16/0xcb [fuse]
eax: ee3859d8 ebx: ee3859d8 ecx: c954bd80 edx: ca147880
esi: ca147880 edi: ca147880 ebp: c02ce9c0 esp: c954bd44
ds: 007b es: 007b ss: 0068
Process mount (pid: 7294, ti=c954a000 task=ccad1000 task.ti=c954a000)
Stack: ffffffff 00000000 ee3859d8 c954bd80 ca147880 00000000 f8d13db7 00004140
00000002 c02ce9c0 c0284e60 c954bd80 f8d1444b 00000002 00000000 c0170032
c954bdb0 00000000 c01b760c f7db1601 462e2390 38f89339 f7db1600 f7db1600
Call Trace:
[<f8d13db7>] fuse_ctl_add_conn+0x55/0xb9 [fuse]
[<c0170032>] notify_change+0xcb/0x2c1
[<c01b760c>] idr_get_new+0xa/0x26
[<f8d13e76>] fuse_ctl_fill_super+0x5b/0xcb [fuse]
[<c015fc74>] get_sb_single+0x51/0x97
[<f8d13e1b>] fuse_ctl_fill_super+0x0/0xcb [fuse]
[<c015fb6b>] vfs_kern_mount+0x7d/0xf2
[<f8d13e1b>] fuse_ctl_fill_super+0x0/0xcb [fuse]
[<c015fc12>] do_kern_mount+0x25/0x36
[<c0172048>] do_mount+0x5d8/0x648
[<c01712e6>] mntput_no_expire+0x11/0x6a
[<c016756c>] link_path_walk+0xb3/0xbd
[<c014c2de>] __handle_mm_fault+0x408/0x740
[<c014c0c0>] __handle_mm_fault+0x1ea/0x740
[<c01678cb>] do_path_lookup+0x20a/0x225
[<c0145504>] get_page_from_freelist+0x9b/0x36e
[<c0170f4e>] copy_mount_options+0x26/0x109
[<c0172125>] sys_mount+0x6d/0xaa
[<c0102c7b>] syscall_call+0x7/0xb
Code: fa 50 89 e8 53 e8 06 1e 46 c7 83 c4 14 83 c4 20 5b 5e 5f 5d c3 55 57 56
89 d6 53 83 ec 08 83 ba ac 00 00 00 02 8b 6c 24 24 7e 08 <0f> 0b 52 00 39
44 d1 f8 89 ca e8 08 9f 45 c7 85 c0 89 c7 0f 84
EIP: [<f8d13cad>] fuse_ctl_add_dentry+0x16/0xcb [fuse] SS:ESP 0068:c954bd44
--
Yaroslav Halchenko
Research Assistant, Psychology Department, Rutgers-Newark
Student Ph.D. @ CS Dept. NJIT
Office: (973) 353-5440x263 | FWD: 82823 | Fax: (973) 353-1171
101 Warren Str, Smith Hall, Rm 4-105, Newark NJ 07102
WWW: http://www.linkedin.com/in/yarik
