[Bugme-janitors] [Bug 9520] Quotas modification on a loaded system takes up to several minutes to complete

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=9520





------- Comment #5 from gentuu at gmail.com  2007-12-08 02:07 -------
Also providing the problem stack showed when lock debugging is on.


BUG: soft lockup - CPU#2 stuck for 11s! [quotaon:14005]
Pid: 14005, comm:              quotaon
EIP: 0060:[<c01a5f74>] CPU: 2
EIP is at vfs_quota_on_inode+0x294/0x420
EFLAGS: 00000246    Not tainted  (2.6.23.9 #1)
EAX: 00000000 EBX: cb5e80fc ECX: 00000000 EDX: eb5a5bcc
ESI: f6f274d4 EDI: f6f98e5c EBP: f6f27400 DS: 007b ES: 007b FS: 00d8
CR0: 8005003b CR2: b7e88000 CR3: 10e5c000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
[<c01a7320>] vfs_quota_on+0x70/0x80
[<c0183972>] dput+0xa2/0x130
[<c01eed5e>] ext3_quota_on+0x8e/0xc0
[<c02f0e9e>] strncpy_from_user+0x3e/0x70
[<c017a683>] getname+0xb3/0xe0
[<c01a989a>] sys_quotactl+0x61a/0x6e0
[<c06e5f34>] _spin_unlock+0x14/0x20
[<c0172d0e>] __fput+0x12e/0x190
[<c0187d13>] mntput_no_expire+0x13/0x70
[<c016fe29>] filp_close+0x49/0x80
[<c0102c1e>] syscall_call+0x7/0xb

it's just the same on .24 series.


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