Andrew Morton wrote:
> On Thu, 29 Nov 2007 14:30:14 +0530 Kamalesh Babulal <[EMAIL PROTECTED]> wrote:
>
>> Hi Andrew,
>>
>> While running file system stress on nfs and cifs mounted partitions, the
>> machine
>> drops to xmon
>>
>> 1:mon> e
>> cpu 0x1: Vector: 300 (Data Access) at [c000000080a9f880]
>> pc: c0000000001392c8: .inotify_inode_queue_event+0x50/0x158
>> lr: c0000000001074d0: .vfs_link+0x204/0x298
>> sp: c000000080a9fb00
>> msr: 8000000000009032
>> dar: 280
>> dsisr: 40010000
>> current = 0xc0000000c8e6f670
>> paca = 0xc000000000512c00
>> pid = 2848, comm = fsstress
>> 1:mon> t
>> [c000000080a9fbd0] c0000000001074d0 .vfs_link+0x204/0x298
>> [c000000080a9fc70] c00000000010b6e0 .sys_linkat+0x134/0x1b4
>> [c000000080a9fe30] c00000000000872c syscall_exit+0x0/0x40
>> --- Exception: c00 (System Call) at 000000000ff1bdfc
>> SP (ffeaed10) is in userspace
>> 1:mon> r
>> R00 = c0000000001074d0 R16 = 0000000000000000
>> R01 = c000000080a9fb00 R17 = 0000000000000000
>> R02 = c00000000060c380 R18 = 0000000000000000
>> R03 = 0000000000000000 R19 = 0000000000000000
>> R04 = 0000000000000004 R20 = 0000000000000000
>> R05 = 0000000000000000 R21 = 0000000000000000
>> R06 = 0000000000000000 R22 = 0000000000000000
>> R07 = 0000000000000000 R23 = 0000000000000004
>> R08 = 0000000000000000 R24 = 0000000000000280
>> R09 = 0000000000000000 R25 = fffffffffffff000
>> R10 = 0000000000000001 R26 = c000000082827790
>> R11 = c0000000003963e8 R27 = c0000000828275a0
>> R12 = d000000000deec78 R28 = 0000000000000000
>> R13 = c000000000512c00 R29 = c00000007b18fcf0
>> R14 = 0000000000000000 R30 = c0000000005bc088
>> R15 = 0000000000000000 R31 = 0000000000000000
>> pc = c0000000001392c8 .inotify_inode_queue_event+0x50/0x158
>> lr = c0000000001074d0 .vfs_link+0x204/0x298
>> msr = 8000000000009032 cr = 24000882
>> ctr = c0000000003963e8 xer = 0000000000000000 trap = 300
>> dar = 0000000000000280 dsisr = 40010000
>>
>>
>> The gdb output shows
>>
>> 0xc0000000001076d4 is in vfs_symlink (include/linux/fsnotify.h:108).
>> 103 * fsnotify_create - 'name' was linked in
>> 104 */
>> 105 static inline void fsnotify_create(struct inode *inode, struct
>> dentry *dentry)
>> 106 {
>> 107 inode_dir_notify(inode, DN_CREATE);
>> 108 inotify_inode_queue_event(inode, IN_CREATE, 0,
>> dentry->d_name.name,
>> 109 dentry->d_inode);
>> 110 audit_inode_child(dentry->d_name.name, dentry, inode);
>> 111 }
>> 112
>>
>
> If it is reproducible can you please try reverting
> inotify-send-in_attrib-events-when-link-count-changes.patch?
Hi Andrew,
reverting the patch
inotify-send-in_attrib-events-when-link-count-changes.patch, the
bug is not reproduced.
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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