Re: [Xen-devel] BUG: soft lockup detected on CPU#0! on 3.0.2-2

[Luke Crawford <lsc@xxxxxxxxx>]

Upgrading from SMB to CIFS looked like it fixed the problem for around a 
week.  It's back, but nobody can reproduce it yet.
I had them on the 3.0.3 hg clone for a while, but as soon as they figured 
out that the problem appeared to be fixed by the SMB->CIFS fix, they moved 
back to 3.0.2-2. This error occurred on 3.0.2-2.
If I can get them to reproduce the error, I will test with 3.0-testing

Now, this is a bug, right?  this isn't just one of the VMs being heavily 
used?  because the VM in question is running a massive Java app that 
would stress the server even if I ran it native.
Pid: 23136, comm:                  csh
EIP: 0061:[<c0168c05>] CPU: 1
EIP is at generic_fillattr+0x6d/0xa4
 EFLAGS: 00000202    Tainted: GF      (2.6.16-xen-automount #1)
EAX: 0000448b EBX: 00000000 ECX: 0000448b EDX: 00000001
ESI: 00000000 EDI: d113e678 EBP: cc1a3f64 DS: 007b ES: 007b
CR0: 8005003b CR2: 08127000 CR3: 30abb000 CR4: 00000640
 [<f4a37a66>] cifs_getattr+0x32/0x3a [cifs]
 [<c0168e17>] vfs_fstat+0x33/0x44
 [<c016949b>] sys_fstat64+0x18/0x36
 [<c01541ff>] get_swap_page+0xbf/0x270
 [<c015e900>] sys_open+0x27/0x2b
 [<c0104be1>] syscall_call+0x7/0xb
 CIFS VFS: No response for cmd 50 mid 46953

 CIFS VFS: Error 0xffffff90 on cifs_get_inode_info in lookup of\ 
\utils\pogo\home\cdc-ops\bin\mv_gamelogs
 CIFS VFS: Error 0xffffff90 on cifs_get_inode_info in lookup of\ 
\utils\pogo\home\cdc-ops\bin\mv_gamelogs
 CIFS VFS: Error 0xffffff90 on cifs_get_inode_info in lookup of\ 
\utils\pogo\home\cdc-ops\bin\mv_gamelogs
 CIFS VFS: Error 0xffffff90 on cifs_get_inode_info in lookup of\ 
\utils\pogo\home\cdc-ops\bin\mv_gamelogs

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