On Tue, Mar 4, 2014 at 2:55 PM, Daniel Borkmann <dborkman@xxxxxxxxxx> wrote:
> On 03/04/2014 09:58 PM, Bjorn Helgaas wrote:
>>
>> On Tue, Mar 4, 2014 at 8:55 AM, Daniel Borkmann <dborkman@xxxxxxxxxx>
>> wrote:
>>>
>>> Hi all, I'm not very familiar with the e1000 code, but on the latest
>>> net.git kernel I get reliably the following (not sure if it's actually
>>> caused by e1000 though):
>>
>>
>> Thanks a lot for the report. What kernel is this exactly (URL and
>> SHA-1 hash)? We have fixes for a couple leaks already queued up [1,
>> 2], so possibly you're seeing those leaks. If you already have those
>> fixes in net.git, then we should investigate further.
>
>
> Great, good to know Bjorn.
>
> I was using [1] with 8b4703e9bd117 ("macvlan: Add support for 'always_on'
> offload features") as HEAD.
>
> [1] https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/
Thanks, Daniel. I confirmed that the two MSI fixes are not in the
tree you're testing, so that's probably what you're seeing.
>> [1]
>> http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h=pci/msi&id=13f81c099bee8141f764fd41a1f4b68b93be3296
>> [2]
>> http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h=pci/msi&id=b3bac8e57c82e8d3e05f4abcb18c4f0a40656655
>>
>>> unreferenced object 0xffff8800361a7d80 (size 32):
>>> comm "systemd-udevd", pid 246, jiffies 4294677997 (age 1117.522s)
>>> hex dump (first 32 bytes):
>>> 60 7d 1a 36 00 88 ff ff 24 01 00 00 00 00 00 00 `}.6....$.......
>>> f0 aa 35 81 ff ff ff ff 00 00 00 00 00 00 00 00 ..5.............
>>> backtrace:
>>> [<ffffffff8166609e>] kmemleak_alloc+0x4e/0xb0
>>> [<ffffffff8119f547>] kmem_cache_alloc_trace+0xd7/0x220
>>> [<ffffffff8135ad48>] populate_msi_sysfs+0x128/0x220
>>> [<ffffffff8135b4b8>] pci_enable_msi_block+0x1b8/0x2c0
>>> [<ffffffffa0221781>] e1000e_set_interrupt_capability+0x41/0x120
>>> [e1000e]
>>> [<ffffffffa0226047>] e1000_probe+0x3a7/0xe20 [e1000e]
>>> [<ffffffff81343805>] local_pci_probe+0x45/0xa0
>>> [<ffffffff81344b89>] pci_device_probe+0xd9/0x130
>>> [<ffffffff813fc317>] driver_probe_device+0x87/0x390
>>> [<ffffffff813fc6f3>] __driver_attach+0x93/0xa0
>>> [<ffffffff813fa323>] bus_for_each_dev+0x63/0xa0
>>> [<ffffffff813fbd6e>] driver_attach+0x1e/0x20
>>> [<ffffffff813fb950>] bus_add_driver+0x180/0x250
>>> [<ffffffff813fcd04>] driver_register+0x64/0xf0
>>> [<ffffffff813431ab>] __pci_register_driver+0x4b/0x50
>>> [<ffffffffa0240041>] iptable_filter_hook+0x41/0x70 [iptable_filter]
>>> unreferenced object 0xffff8800c4ac1920 (size 32):
>>> comm "NetworkManager", pid 409, jiffies 4294693366 (age 1102.161s)
>>> hex dump (first 32 bytes):
>>> 34 34 00 c4 00 88 ff ff 00 00 00 00 00 00 00 00 44..............
>>> 00 00 00 00 00 00 00 00 6f 2e 32 00 00 00 00 00 ........o.2.....
>>> backtrace:
>>> [<ffffffff8166609e>] kmemleak_alloc+0x4e/0xb0
>>> [<ffffffff8119f547>] kmem_cache_alloc_trace+0xd7/0x220
>>> [<ffffffff8135ad2f>] populate_msi_sysfs+0x10f/0x220
>>> [<ffffffff8135b4b8>] pci_enable_msi_block+0x1b8/0x2c0
>>> [<ffffffffa0226ce5>] e1000_open+0x225/0x5b0 [e1000e]
>>> [<ffffffff815785af>] __dev_open+0xbf/0x140
>>> [<ffffffff815788bd>] __dev_change_flags+0x9d/0x170
>>> [<ffffffff815789b9>] dev_change_flags+0x29/0x60
>>> [<ffffffff81585482>] do_setlink+0x312/0x9e0
>>> [<ffffffff81587958>] rtnl_newlink+0x508/0x710
>>> [<ffffffff81584199>] rtnetlink_rcv_msg+0x99/0x260
>>> [<ffffffff815a3269>] netlink_rcv_skb+0xa9/0xc0
>>> [<ffffffff815840f8>] rtnetlink_rcv+0x28/0x30
>>> [<ffffffff815a2bd8>] netlink_unicast+0x168/0x250
>>> [<ffffffff815a2fa1>] netlink_sendmsg+0x2e1/0x3f0
>>> [<ffffffff8155cc6b>] sock_sendmsg+0x8b/0xc0
>>> unreferenced object 0xffff8800c4ac17a0 (size 32):
>>> comm "NetworkManager", pid 409, jiffies 4294693366 (age 1102.161s)
>>> hex dump (first 32 bytes):
>>> 20 19 ac c4 00 88 ff ff 24 01 00 00 00 00 00 00 .......$.......
>>> f0 aa 35 81 ff ff ff ff 00 00 00 00 00 00 00 00 ..5.............
>>> backtrace:
>>> [<ffffffff8166609e>] kmemleak_alloc+0x4e/0xb0
>>> [<ffffffff8119f547>] kmem_cache_alloc_trace+0xd7/0x220
>>> [<ffffffff8135ad48>] populate_msi_sysfs+0x128/0x220
>>> [<ffffffff8135b4b8>] pci_enable_msi_block+0x1b8/0x2c0
>>> [<ffffffffa0226ce5>] e1000_open+0x225/0x5b0 [e1000e]
>>> [<ffffffff815785af>] __dev_open+0xbf/0x140
>>> [<ffffffff815788bd>] __dev_change_flags+0x9d/0x170
>>> [<ffffffff815789b9>] dev_change_flags+0x29/0x60
>>> [<ffffffff81585482>] do_setlink+0x312/0x9e0
>>> [<ffffffff81587958>] rtnl_newlink+0x508/0x710
>>> [<ffffffff81584199>] rtnetlink_rcv_msg+0x99/0x260
>>> [<ffffffff815a3269>] netlink_rcv_skb+0xa9/0xc0
>>> [<ffffffff815840f8>] rtnetlink_rcv+0x28/0x30
>>> [<ffffffff815a2bd8>] netlink_unicast+0x168/0x250
>>> [<ffffffff815a2fa1>] netlink_sendmsg+0x2e1/0x3f0
>>> [<ffffffff8155cc6b>] sock_sendmsg+0x8b/0xc0
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