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List:       e1000-devel
Subject:    Re: [E1000-devel] bad pages when up/down network cable
From:       Xishi Qiu <qiuxishi () huawei ! com>
Date:       2015-07-14 9:36:35
Message-ID: 55A4D823.2090900 () huawei ! com
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On 2015/7/14 17:24, Xishi Qiu wrote:

> On 2015/7/14 17:00, zhuyj wrote:
> 
> > Do you use the default ixgbe driver? or the ixgbe driver is modified by you?
> > 
> 
> Yes，no modify.
> 

Sorry, it is modified by us...

the driver come from intel，the info：
root:~ # ethtool -i p2p2
driver: ixgbe
version: 3.9.16-NAPI
firmware-version: 0x18f10001
bus-info: 0000:04:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes

Thanks,
Xishi Qiu

> 
> > On Tue, Jul 14, 2015 at 4:31 PM, Xishi Qiu <qiuxishi@huawei.com \
> > <mailto:qiuxishi@huawei.com>> wrote: 
> > 1、the host directly link to the storage device，by intel ixgbe NIC;
> > between them, no switch or router.
> > 2、the nic of the storage device suddenly become unused and then OK
> > after a little time, this happened frequency.
> > 3、the host printk a lot of message like these:
> > 
> > The kernel is SUSE 3.0.13, use slab, and the following log shows the
> > page still have PG_slab when free_pages(). Does anyone have seen the
> > problem?
> > 
> > Jul  9 11:31:36 root kernel: [1042291.977565] BUG: Bad page state in process \
> >                 swapper  pfn:00bf2
> > Jul  9 11:31:36 root kernel: [1042291.977568] page:ffffea0000029cf0 count:0 \
> >                 mapcount:0 mapping:          (null) index:0x7f6d4f500
> > Jul  9 11:31:36 root kernel: [1042291.977571] page flags: 0x40000000000100(slab)  \
> >                 // here is the reason
> > Jul  9 11:31:36 root kernel: [1042291.977574] Pid: 0, comm: swapper Tainted: G    \
> >                 B       X 3.0.13-0.27-default #1
> > Jul  9 11:31:36 root kernel: [1042291.977577] Call Trace:
> > Jul  9 11:31:36 root kernel: [1042291.977583]  [<ffffffff810048b5>] \
> >                 dump_trace+0x75/0x300
> > Jul  9 11:31:36 root kernel: [1042291.977639]  [<ffffffff8143ea0f>] \
> >                 dump_stack+0x69/0x6f
> > Jul  9 11:31:36 root kernel: [1042291.977644]  [<ffffffff810f53a1>] \
> >                 bad_page+0xb1/0x120
> > Jul  9 11:31:37 root kernel: [1042291.977649]  [<ffffffff810f5926>] \
> >                 free_pages_prepare+0xe6/0x110
> > Jul  9 11:31:37 root kernel: [1042291.977654]  [<ffffffff810f9259>] \
> >                 free_hot_cold_page+0x49/0x1f0
> > Jul  9 11:31:37 root kernel: [1042291.977660]  [<ffffffff8137a3b4>] \
> >                 skb_release_data+0xb4/0xe0
> > Jul  9 11:31:37 root kernel: [1042291.977665]  [<ffffffff81379e79>] \
> >                 __kfree_skb+0x9/0x90
> > Jul  9 11:31:37 root kernel: [1042291.977676]  [<ffffffffa02784a9>] \
> >                 ixgbe_clean_tx_irq+0xa9/0x480 [ixgbe]
> > Jul  9 11:31:37 root kernel: [1042291.977693]  [<ffffffffa02788cb>] \
> >                 ixgbe_poll+0x4b/0x1a0 [ixgbe]
> > Jul  9 11:31:37 root kernel: [1042291.977705]  [<ffffffff81389c3a>] \
> >                 net_rx_action+0x10a/0x2c0
> > Jul  9 11:31:37 root kernel: [1042291.977711]  [<ffffffff81060a1f>] \
> >                 __do_softirq+0xef/0x220
> > Jul  9 11:31:37 root kernel: [1042291.977716]  [<ffffffff8144a8bc>] \
> >                 call_softirq+0x1c/0x30
> > Jul  9 11:31:37 root kernel: [1042291.978974] DWARF2 unwinder stuck at \
> > call_softirq+0x1c/0x30 
> > Thanks,
> > Xishi Qiu
> > 
> > 
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> > http://communities.intel.com/community/wired 
> > 
> 
> 




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