Linus Torvalds <[email protected]> writes:
> so please give it a good testing, and let's see if there are any
> regressions.
If I run this one-liner script:
while true ; do echo -n . ; mount p4:/home /p4home -ohard,intr & mount p4:/extra /p4extra -ohard,intr ; umount /p4home ; umount /p4extra ; done
I get a BUG after a few iterations, see below. If I replace the '&' with
a ';' so the mounts happen one at a time, it works as expected.
The NFS server runs kernel 2.6.17.11.
------------[ cut here ]------------
kernel BUG at fs/nfs/client.c:352!
invalid opcode: 0000 [#1]
PREEMPT
Modules linked in: nfs radeon nfsd exportfs lockd autofs4 sunrpc michael_mic arc4 ecb blkcipher cryptomgr crypto_algapi ieee80211_crypt_tkip binfmt_misc dm_mirror dm_mod lp parport_pc parport pcmcia ehci_hcd joydev ohci1394 ieee1394 ohci_hcd bcm43xx yenta_socket snd_atiixp_modem rsrc_nonstatic ide_cd ieee80211softmac ieee80211 serio_raw 8250_pci pcmcia_core 8250 ieee80211_crypt pcspkr 8139too serial_core cdrom rtc usbcore
CPU: 0
EIP: 0060:[<e0c836b5>] Not tainted VLI
EFLAGS: 00010202 (2.6.19-rc1 #53)
EIP is at nfs_create_server+0x9f1/0xa6e [nfs]
eax: 00000000 ebx: d5e11b40 ecx: ca01a000 edx: 00000000
esi: 00000001 edi: ca01bdac ebp: ca01bd08 esp: ca01bbf8
ds: 007b es: 007b ss: 0068
Process mount (pid: 4052, ti=ca01a000 task=ca078030 task.ti=ca01a000)
Stack: ca01bc58 c1405c68 ca01bc2c c1405c40 c1405c40 00000296 c05cc5d0 ca078030
ca07857c d6b03380 00000003 ca97704c ca97705c ca078030 00000000 ca01bc8c
c0135211 c01eea52 ca078570 00000246 ca01bc6c 00000246 00000002 ca845cb0
Call Trace:
[<e0c899b2>] nfs_get_sb+0xbb/0x531 [nfs]
[<c0166416>] vfs_kern_mount+0x42/0x8c
[<c01664c4>] do_kern_mount+0x3b/0x4e
[<c017a8ca>] do_mount+0x25a/0x6a5
[<c017adaa>] sys_mount+0x95/0xd4
[<c01030c1>] sysenter_past_esp+0x56/0x8d
[<b7fa9410>] 0xb7fa9410
=======================
Code: 85 28 ff ff ff 89 44 24 04 c7 04 24 00 61 c9 e0 e8 16 8e 49 df 8b 9d 28 ff ff ff 31 d2 81 fb 00 f0 ff ff 0f 97 c2 e9 62 f9 ff ff <0f> 0b 60 01 40 50 c9 e0 e9 34 f9 ff ff 81 fa 60 ea 00 00 0f 86
EIP: [<e0c836b5>] nfs_create_server+0x9f1/0xa6e [nfs] SS:ESP 0068:ca01bbf8
--
Peter Osterlund - [email protected]
http://web.telia.com/~u89404340
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