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From: Emmanuel Grumbach <egrumbach@gmail.com>
To: wzyboy <wzyboy@wzyboy.org>,
	"Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>,
	Bjorn Helgaas <bhelgaas@google.com>
Cc: "ilw@linux.intel.com" <ilw@linux.intel.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	linux-pci@vger.kernel.org
Subject: Re: [Ilw] Intel Wireless 7260 hardware timed out randomly
Date: Wed, 06 Nov 2013 19:50:30 +0200	[thread overview]
Message-ID: <527A8166.6000701@gmail.com> (raw)
In-Reply-To: <CALkVjQY7uRFQ3Qs9T_bgqnYRNcWgsk5gfd=R8RfGFxOdDpFYTQ@mail.gmail.com>

Hi,

adding PCI folks.
Here is the story:

* Wzyboy has a Lenovo laptop with _OSC control *not* granted
* L1 Active is enabled
* kernel: 3.12.0
* Nic is PCIe (Gen2 but not sure...)

At some random point, the driver loses access to the NIC: all readl
operation return 0xff.
Even lspci returns 0xff:

03:00.0 Network controller: Intel Corporation Wireless 7260 (rev ff)
00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

here is the output of lspci *before* the issue hits:

03:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
00: 86 80 b2 08 06 04 10 00 6b 00 80 02 10 00 00 00
10: 04 00 40 f0 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 62 c2
30: 00 00 00 00 c8 00 00 00 00 00 00 00 09 01 00 00

have you any idea of what we can do to understand what it going wrong here?

Thanks

On 11/06/2013 09:12 AM, wzyboy wrote:
> 2013/11/6 Grumbach, Emmanuel <emmanuel.grumbach@intel.com>:
>> Wait - you mean that after the bug occurred before you rebooted, lspci -xxx show all 00?
>> I can see 0xff here.
>> Anyway - this is very bad... checking with HW guys...
> 
> 
> Sorry, that's my typo. They are all 0xff... (I don't know what do they
> mean but it look bad...)
> 
> Thanks for your effort! I'm waiting for good news from you and HW guys. :-)
> 

       reply	other threads:[~2013-11-06 17:50 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5276134B.8070808@wzyboy.org>
     [not found] ` <CALkVjQYh-SUte4S6LdqOc3KSc3_pDU6jz1KXp+Jsd5_RFPXSqA@mail.gmail.com>
     [not found]   ` <0BA3FCBA62E2DC44AF3030971E174FB301DE8338@HASMSX103.ger.corp.intel.com>
     [not found]     ` <CALkVjQb7fCMFpqhdUs8w-Mx_Y0RtAYYFtKxXkqyrCQ39UFGxKg@mail.gmail.com>
     [not found]       ` <0BA3FCBA62E2DC44AF3030971E174FB301DE960E@HASMSX103.ger.corp.intel.com>
     [not found]         ` <CALkVjQbW8FeiEh8pBZ=KQFD9+8AdjgT0G_RG7qJe0MRdBvMD-A@mail.gmail.com>
     [not found]           ` <CALkVjQaLx2spaOqUPcs_EwMkU7npMki1Reo1MeZwxB7m=c24=g@mail.gmail.com>
     [not found]             ` <0BA3FCBA62E2DC44AF3030971E174FB301DE9FC6@HASMSX103.ger.corp.intel.com>
     [not found]               ` <CALkVjQZDNSgUUFyi94Y8da_NDzW61rCvaMrZpUugFKW_LRNFFA@mail.gmail.com>
     [not found]                 ` <0BA3FCBA62E2DC44AF3030971E174FB301DEA052@HASMSX103.ger.corp.intel.com>
     [not found]                   ` <CALkVjQZRJw7ghjBa1aPKNKe3Zj2B1Mhk5bWVaRdcCYzfoLRovg@mail.gmail.com>
     [not found]                     ` <CALkVjQY7r=YKhsgDKR0mnYVtZy5BAdj83nY2jL0VFaiew6ha7A@mail.gmail.com>
     [not found]                       ` <0BA3FCBA62E2DC44AF3030971E174FB301DEA097@HASMSX103.ger.corp.intel.com>
     [not found]                         ` <CALkVjQY7uRFQ3Qs9T_bgqnYRNcWgsk5gfd=R8RfGFxOdDpFYTQ@mail.gmail.com>
2013-11-06 17:50                           ` Emmanuel Grumbach [this message]
2013-11-06 18:32                             ` [Ilw] Intel Wireless 7260 hardware timed out randomly Bjorn Helgaas
2013-11-07  4:49                               ` wzyboy
     [not found]                                 ` <CALkVjQZcKrEFYBzFOXRKhX_cPos9pt0iYnQUnpEEmGzR6+3zQw@mail.gmail.com>
2013-11-08  4:41                                   ` wzyboy
2013-11-08  4:46                                     ` wzyboy
2013-11-08 17:20                                 ` Bjorn Helgaas
2013-11-08 17:38                                   ` Bjorn Helgaas
2013-11-10 10:19                                     ` wzyboy
2013-11-10 11:32                                       ` Emmanuel Grumbach
2013-11-10 11:38                                         ` wzyboy
2013-11-10 11:41                                           ` Grumbach, Emmanuel
2013-11-10 12:13                                             ` wzyboy
2013-11-10 12:17                                               ` Grumbach, Emmanuel
2013-11-11  9:43                                                 ` Emmanuel Grumbach
2013-11-11 21:55                                       ` Bjorn Helgaas
     [not found]                                   ` <CALkVjQYkAWrwRabQfBSvC1pm47ZyRT5jQ0mYBwbiGh-Bt29gbg@mail.gmail.com>
2013-11-10  7:03                                     ` Emmanuel Grumbach
2013-11-10  7:08                                       ` wzyboy
2013-11-11 22:44                                     ` Bjorn Helgaas
     [not found]                                       ` <CALkVjQb-AJRSGARCQaDFkd+mHBk2qFkAVyVBTW7RHSaxzbZsbw@mail.gmail.com>
2013-11-12  7:02                                         ` Emmanuel Grumbach
2013-11-12  9:36                                           ` Emmanuel Grumbach
2013-11-12 12:10                                         ` wzyboy
2013-11-12 12:16                                           ` Grumbach, Emmanuel
2013-11-12 12:25                                             ` wzyboy
2013-11-12 12:45                                               ` Grumbach, Emmanuel
2013-11-12 12:59                                                 ` wzyboy
2013-11-12 18:14                                             ` Bjorn Helgaas
2013-11-12 18:25                                               ` Grumbach, Emmanuel
2013-11-12 19:14                                                 ` Bjorn Helgaas
2013-11-12 19:37                                                   ` Emmanuel Grumbach
2013-11-12 22:09                                                     ` Bjorn Helgaas
2013-11-13  8:45                                                       ` Grumbach, Emmanuel
2013-11-13  9:47                                                       ` Grumbach, Emmanuel
2013-11-13 12:13                                                       ` Grumbach, Emmanuel
2013-11-13 12:18                                                         ` wzyboy
2013-11-13 12:21                                                           ` Grumbach, Emmanuel
2013-11-13 12:33                                                             ` wzyboy
2013-11-13 13:48                                                         ` Bjørn Mork
2013-11-13 14:16                                                           ` Grumbach, Emmanuel
     [not found]                                                       ` <CALkVjQZZVHUxuBkS+ret23Bt61TV_x_kj-ey=y93gC0e3cw__Q@mail.gmail.com>
2013-11-13  6:46                                                         ` wzyboy
     [not found]                                                           ` <0BA3FCBA62E2DC44AF3030971E174FB301DFBCB5@HASMSX103.ger.corp.intel.com>
2013-11-13  7:25                                                             ` wzyboy
2013-11-13 17:42                                                         ` Bjorn Helgaas
2013-11-13 20:30                                                           ` Grumbach, Emmanuel
     [not found]                                                           ` <CALkVjQaTnocYnV4GM=LHuYwMRZ=sOZnSrtna4C6anNAWr4O7=A@mail.gmail.com>
2013-11-14  6:20                                                             ` Grumbach, Emmanuel
     [not found]                                                               ` <CALkVjQZdPuE2F+ZARBLha-+iOMA4AjDWHO4=ssnuF2Uu87RyuQ@mail.gmail.com>
2013-11-14  7:04                                                                 ` Grumbach, Emmanuel
2013-11-14  7:09                                                                   ` wzyboy
2013-11-14  8:39                                                                     ` Grumbach, Emmanuel
2013-11-14 17:53                                                                       ` Bjorn Helgaas
2013-11-15  3:06                                                                         ` wzyboy
2013-11-15  3:09                                                                           ` wzyboy
2013-11-15  8:49                                                                           ` Emmanuel Grumbach
2013-11-15  9:04                                                                             ` wzyboy
2013-12-25  8:27                                                                               ` Emmanuel Grumbach
2013-12-25 10:34                                                                                 ` wzyboy
2013-12-25 10:38                                                                                   ` Grumbach, Emmanuel
2013-12-28  9:54                                                                                     ` wzyboy
2013-12-28  9:57                                                                                     ` wzyboy
2013-12-29  8:14                                                                                       ` Grumbach, Emmanuel
2013-12-29  9:23                                                                                         ` wzyboy
2013-12-29 11:45                                                                                           ` Emmanuel Grumbach
2013-12-29 13:06                                                                                             ` wzyboy
2014-01-02 21:34                                                                                           ` Bjorn Helgaas
2014-01-04 14:41                                                                                             ` wzyboy
2014-01-13  6:01                                                                                               ` Grumbach, Emmanuel
2014-01-13  6:15                                                                                                 ` wzyboy
     [not found]                                                                                                   ` <CALkVjQavGvumxnghCc5R8E=7rzDSy1_q+LVZ=vR6--OJxhp7CA@mail.gmail.com>
2014-01-13  8:26                                                                                                     ` Grumbach, Emmanuel

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