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From: Richard Weinberger <richard@nod.at>
To: "Wiedemer, Thorsten (Lawo AG)" <Thorsten.Wiedemer@lawo.com>,
	Bill Pringlemeir <bpringlemeir@nbsps.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: UBI leb_write_unlock NULL pointer Oops (continuation)
Date: Wed, 12 Feb 2014 18:46:00 +0100	[thread overview]
Message-ID: <52FBB358.1060103@nod.at> (raw)
In-Reply-To: <D7B1B5F4F3F27A4CB073BF422331203F2A1ECCFB51@Exchange1.lawo.de>

Am 12.02.2014 16:18, schrieb Wiedemer, Thorsten (Lawo AG):
>> On 11 Feb 2014, Thorsten.Wiedemer@lawo.com wrote:
>>
>>> short update (I was out of office the rest of last week).  I compiled 
>>>  the kernel with the debug flags for debug list and lock alloc.  The 
>>> kernel compiled with gcc-4.8.2 didn't start (no output on serial 
>>>  console and reboot of the system).  I didn't try (yet) to find out 
>>>  what happens at startup.
>>
>> You don't need to enable the 'lock alloc' debugging; Just the 'debug list' as Richard suggested.  One at a time would work and give clues if you 
>> can reproduce it.
> 
> 
> I tested this, compiled with gcc.4-4-4. I had an error one time, but there was no bug report for list handling, only kernel oops:

Are you able to trigger the bug with function tracing enabled?
If so, please add the ftrace_dump_on_oops kernel parameter. Such that we see what happened before oops.

Thanks,
//richard

  reply	other threads:[~2014-02-12 17:46 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-03  8:51 UBI leb_write_unlock NULL pointer Oops (continuation) Wiedemer, Thorsten (Lawo AG)
2014-02-03  9:38 ` Richard Weinberger
2014-02-03 10:31   ` AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-03 11:02     ` Richard Weinberger
2014-02-03 12:51       ` AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-03 13:56         ` Richard Weinberger
2014-02-04  7:22           ` Artem Bityutskiy
2014-02-04  7:46             ` Richard Weinberger
2014-02-04  7:54               ` Artem Bityutskiy
2014-02-04 15:45                 ` UBI leb_write_unlock NULL pointer Oops (continuation) on ARM926 Bill Pringlemeir
2014-02-04 15:45                   ` Bill Pringlemeir
2014-02-04 17:05                   ` Bill Pringlemeir
2014-02-04 17:05                     ` Bill Pringlemeir
2014-02-04 19:57                     ` Bill Pringlemeir
2014-02-04 19:57                       ` Bill Pringlemeir
2014-02-04 20:07                       ` Richard Weinberger
2014-02-04 20:07                         ` Richard Weinberger
2014-02-04 17:01           ` AW: UBI leb_write_unlock NULL pointer Oops (continuation) Wiedemer, Thorsten (Lawo AG)
2014-02-04 17:52             ` Wiedemer, Thorsten (Lawo AG)
2014-02-05  8:29             ` Richard Weinberger
2014-02-05 21:45               ` Bill Pringlemeir
2014-02-05 22:13                 ` Richard Weinberger
2014-02-05 22:23                   ` Bill Pringlemeir
2014-02-06 13:05                     ` AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-06 16:00                       ` Bill Pringlemeir
2014-02-11  8:01               ` Wiedemer, Thorsten (Lawo AG)
2014-02-11 15:25                 ` Bill Pringlemeir
2014-02-12 15:18                   ` AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-12 17:46                     ` Richard Weinberger [this message]
2014-02-12 18:11                     ` Bill Pringlemeir
2014-02-12 18:21                       ` Bill Pringlemeir
2014-02-12 20:48                         ` Richard Weinberger
2014-02-14 17:11                           ` Bill Pringlemeir
2014-02-18  8:25                           ` Ziegler, Emanuel (Lawo AG)
2014-02-19 11:09                             ` Ziegler, Emanuel (Lawo AG)
2014-02-20 15:21                       ` AW: AW: AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-20 17:26                         ` Bill Pringlemeir
2014-02-20 17:38                           ` Bill Pringlemeir
2014-02-21  8:55                         ` AW: AW: AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-21  9:28                           ` Quiniou, Benoit (Lawo AG)
2014-02-21 17:53                           ` AW: " Bill Pringlemeir
2014-02-21 18:12                             ` Richard Weinberger
2014-02-21 19:45                               ` Bill Pringlemeir
2014-02-22  0:49                                 ` Bill Pringlemeir
2014-02-22  8:32                                   ` Richard Weinberger
2014-02-24 15:09                                     ` Bill Pringlemeir
2014-02-24 15:36                                       ` Richard Weinberger
2014-02-24 15:45                                         ` Bill Pringlemeir
2014-02-24 15:48                                           ` Bill Pringlemeir
2014-03-05 20:57                                             ` Richard Weinberger
2014-03-05 21:30                                               ` Bill Pringlemeir
2014-03-05 21:42                                                 ` Bill Pringlemeir
2014-03-05 23:11                                                   ` Richard Weinberger
2014-03-05 23:12                                                   ` Richard Weinberger
2014-02-04 19:49     ` Andrew Ruder
2014-02-05  8:39       ` AW: " Wiedemer, Thorsten (Lawo AG)
2014-02-05 20:13         ` Andrew Ruder
2015-10-16 12:17 ` Wojciech Nizinski

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