Re: Kernel oops when GFS2 used as localfs

[Wendy Cheng <wcheng@xxxxxxxxxx>]

Steven Whitehouse wrote:
> Hi,
>
> This looks like Red Hat bugzilla 229831 and if so then there is already
> a fix in Linus' upstream kernel and in the latest kernel build for
> Fedora (both 5 and 6),
>
>   
yeah... agree. I missed the unlink part of the trace in previous post 
and thought it might have something to do with my ino number hacking in 
the lookup code.

-- Wendy
> Steve.
>
> On Wed, 2007-03-14 at 00:15 -0700, Sridhar Ramaswamy (srramasw) wrote:
>   
> > Sure Wendy. Here it is,
> >
> > "fs/gfs2/inode.c" 1256
> > struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum_host
> > *inum)
> > {
> >         return ilookup5(sb, (unsigned long)inum->no_formal_ino,
> >                         iget_test, inum);
> > }
> >
> > static struct inode *gfs2_iget(struct super_block *sb, struct
> > gfs2_inum_host *inum)
> > {
> >         return iget5_locked(sb, (unsigned long)inum->no_formal_ino,
> >                      iget_test, iget_set, inum);
> > }
> >
> > BTW - this code is from kernel version 2.6.20.1. 
> >
> > Thanks,
> > Sridhar
> >
> >     
> > > -----Original Message-----
> > > From: linux-cluster-bounces@xxxxxxxxxx 
> > > [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Wendy Cheng
> > > Sent: Tuesday, March 13, 2007 10:29 PM
> > > To: linux clustering
> > > Subject: Re:  Kernel oops when GFS2 used as localfs
> > >
> > > Sridhar Ramaswamy (srramasw) wrote:
> > >
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel: ------------[ cut here ]------------
> > > > Mar 13 15:25:56 cfs1 kernel: kernel BUG at fs/gfs2/meta_io.c:474!
> > > >         
> > > I don't have time to pull kernel.org source code right now. Could you 
> > > cut-and-paste the following two routines (from fs/gfs2/inode.c):
> > > gfs2_ilookup() and gfs2_iget() so we can look into this 
> > > quickly ? They 
> > > are all one-liner so shouldn't be too much troubles. GFS2 
> > > currently has 
> > > ino issue with its lookup code.
> > >
> > > -- Wendy
> > >
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel: invalid opcode: 0000 [#1]
> > > > Mar 13 15:25:56 cfs1 kernel: SMP
> > > > Mar 13 15:25:56 cfs1 kernel: Modules linked in: lock_nolock gfs2 
> > > > reiserfs nfsd exportfs nfs lockd nfs_acl ipv6 parport_pc lp parport 
> > > > autofs4 sunrpc dm_mirror dm_mod button battery ac uhci_hcd ehci_hcd 
> > > > intel_rng rng_core i2c_i801 i2c_core e1000 e100 mii floppy ext3 jbd
> > > > Mar 13 15:25:56 cfs1 kernel: CPU:    1
> > > > Mar 13 15:25:56 cfs1 kernel: EIP:    0060:[<e0c88da5>]    
> > > >         
> > > Not tainted VLI
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel: EFLAGS: 00010246   (2.6.20.1 #1)
> > > > Mar 13 15:25:56 cfs1 kernel: EIP is at 
> > > > gfs2_meta_indirect_buffer+0x4c/0x278 [gfs2]
> > > > Mar 13 15:25:56 cfs1 kernel: eax: 00000000   ebx: 00012bf5   ecx: 
> > > > ce5a6dd4   edx: dc5eae00
> > > > Mar 13 15:25:56 cfs1 kernel: esi: 00000000   edi: 00000000   ebp: 
> > > > dc5ea9a8   esp: ce5a6d58
> > > > Mar 13 15:25:56 cfs1 kernel: ds: 007b   es: 007b   ss: 0068
> > > > Mar 13 15:25:56 cfs1 kernel: Process bonnie++ (pid: 5509, 
> > > >         
> > > ti=ce5a6000 
> > >       
> > > > task=dc320570 task.ti=ce5a6000)
> > > > Mar 13 15:25:56 cfs1 kernel: Stack: c156d274 ce5a6dd4 c016eb91 
> > > > ce5a6dd4 00000000 dc5eae00 00000000 d6f34000
> > > > Mar 13 15:25:56 cfs1 kernel:        00000000 00000000 dc5ea9a8 
> > > > d57794a8 ce5a6e08 e0c83ad3 00012bf5 00000000
> > > > Mar 13 15:25:56 cfs1 kernel:        00000000 ce5a6da0 00000000 
> > > > 00000000 dc5ea9a8 d57794a8 e0c84cc9 ce5a6dd4
> > > > Mar 13 15:25:56 cfs1 kernel: Call Trace:
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c016eb91>] iget5_locked+0x3d/0x67
> > > > Mar 13 15:25:56 cfs1 kernel:  [<e0c83ad3>] 
> > > > gfs2_inode_refresh+0x34/0xfe [gfs2]
> > > > Mar 13 15:25:56 cfs1 kernel:  [<e0c84cc9>] 
> > > >         
> > > gfs2_createi+0x12c/0x191 [gfs2]
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel:  [<e0c8da3c>] 
> > > >         
> > > gfs2_create+0x5c/0x103 [gfs2]
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel:  [<e0c84be7>] 
> > > >         
> > > gfs2_createi+0x4a/0x191 [gfs2]
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel:  [<e0c820c4>] 
> > > >         
> > > gfs2_glock_nq_num+0x3f/0x64 
> > >       
> > > > [gfs2]
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c016552e>] vfs_create+0xc3/0x126
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c01657f2>] 
> > > >         
> > > open_namei_create+0x47/0x88
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c016597d>] open_namei+0x14a/0x539
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c015d27b>] do_filp_open+0x25/0x39
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c01d200a>] 
> > > >         
> > > strncpy_from_user+0x3c/0x5b
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c015d431>] get_unused_fd+0xa8/0xb1
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c015d509>] do_sys_open+0x42/0xbe
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c015d59f>] sys_open+0x1a/0x1c
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c015d5dd>] sys_creat+0x1f/0x23
> > > > Mar 13 15:25:56 cfs1 kernel:  [<c0103410>] 
> > > >         
> > > sysenter_past_esp+0x5d/0x81
> > >       
> > > > Mar 13 15:25:56 cfs1 kernel:  =======================
> > > > Mar 13 15:25:56 cfs1 kernel: Code: 80 a8 01 00 00 89 44 24 
> > > >         
> > > 1c 8b 85 f0 
> > >       
> > > > 01 00 00 c7 44 24 20 00 00 00 00 89 54 24 14 85 c0 89 44 24 
> > > >         
> > > 18 c7 44 
> > >       
> > > > 24 10 00 00 00 00 75 04 <0f> 0b eb fe 83 7c 24 1c 00 75 04 
> > > >         
> > > 0f 0b eb fe 
> > >       
> > > > 8d 85 24 04 00 00
> > > > Mar 13 15:25:57 cfs1 kernel: EIP: [<e0c88da5>] 
> > > > gfs2_meta_indirect_buffer+0x4c/0x278 [gfs2] SS:ESP 0068:ce5a6d58
> > > >  
> > > >  
> > > > (2)
> > > >  
> > > > Mar 13 17:00:30 cfs1 kernel: Call Trace:
> > > > Mar 13 17:00:30 cfs1 kernel:  [<e0badde1>] 
> > > >         
> > > gfs2_unlink+0x53/0xe0 [gfs2]
> > >       
> > > > Mar 13 17:00:30 cfs1 kernel:  [<e0baddc8>] 
> > > >         
> > > gfs2_unlink+0x3a/0xe0 [gfs2]
> > >       
> > > > Mar 13 17:00:30 cfs1 kernel:  [<e0badde1>] 
> > > >         
> > > gfs2_unlink+0x53/0xe0 [gfs2]
> > >       
> > > > Mar 13 17:00:30 cfs1 kernel:  [<c0166572>] vfs_unlink+0xa1/0xc5
> > > > Mar 13 17:00:30 cfs1 kernel:  [<c016662b>] do_unlinkat+0x95/0xf5
> > > > Mar 13 17:00:30 cfs1 kernel:  [<c01187de>] scheduler_tick+0x8f/0x95
> > > > Mar 13 17:00:30 cfs1 kernel:  [<c0103410>] 
> > > >         
> > > sysenter_past_esp+0x5d/0x81
> > >       
> > > > Mar 13 17:00:30 cfs1 kernel:  =======================
> > > >
> > > > -------------------------------------------------------------
> > > >         
> > > -----------
> > >       
> > > > --
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> > > > Linux-cluster@xxxxxxxxxx
> > > > https://www.redhat.com/mailman/listinfo/linux-cluster
> > > >
> > > >         
> > > --
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> > >
> > >       
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> >     
>
>   

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