From: "Balbir Singh" <balbir@linux.vnet.ibm.com>
To: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
"Linux ACPI mailing list" <linux-acpi@vger.kernel.org>,
"Intel E/100 mailing list" <e1000-devel@lists.sourceforge.net>,
"Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>,
andreas.herrmann3@amd.com
Subject: Re: 2.6.24-rc8-mm1
Date: Fri, 18 Jan 2008 10:36:54 +0530 [thread overview]
Message-ID: <661de9470801172106t61c702b8ue9610fe66362965a@mail.gmail.com> (raw)
In-Reply-To: <20080118014223.GB25389@linux-os.sc.intel.com>
On Jan 18, 2008 7:12 AM, Siddha, Suresh B <suresh.b.siddha@intel.com> wrote:
>
> On Thu, Jan 17, 2008 at 03:04:03PM -0800, Balbir Singh wrote:
> > I think I found the root cause of the problem and a fix for it.
> > The fix works for me.
> >
>
> Thanks Balbir. But the appended fix is more clean and appropriate. Can you
> please check if it works.
> ---
>
> From Balbir Singh:
>
> > With the introduction of reserve_mattr() and free_mattr(), the ioremap*
> > routines
> > started exploiting it. The recent 2.6.24-rc8-mm1 kernel has a peculiar
> > problem
> > where in, certain devices disappear. In my case for example
> >
> > e100: Intel(R) PRO/100 Network Driver, 3. 5.23-k4-NAPI
> > e100: Copyright(c) 1999-2006 Intel Corporation
> > ACPI: PCI Interrupt 0000:04:08.0[A] -> GSI 20 (level, low) -> IRQ 20
> > modprobe:2584 conflicting cache attribute 50000000-50001000
> > uncached<->default
> > e100: 0000:04:08.0: e100_probe: Cannot map device registers, aborting.
> > ACPI: PCI interrupt for device 0000:04:08.0 disabled
> >
> > On further analysis, it was discovered that quirk_e100_interrupt() calls
> > ioremap(), which reserves memory attributes for the e100 card, but
> > iounmap()
> > does not free it.
>
> Fix the iounmap() to call free_matrr() unconditionally.
>
> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
>
> Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Yes, it looks better. p->flags is always set, so the check was not doing much.
I also tested it and it works for me!
Tested-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Balbir
next prev parent reply other threads:[~2008-01-18 5:07 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-17 10:35 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 12:41 ` 2.6.24-rc8-mm1 Build Failure on S390x Kamalesh Babulal
2008-01-17 14:05 ` Martin Schwidefsky
2008-01-17 12:46 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 18:40 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 19:22 ` 2.6.24-rc8-mm1 Pallipadi, Venkatesh
2008-01-17 19:40 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 19:47 ` [E1000-devel] 2.6.24-rc8-mm1 Brandeburg, Jesse
2008-01-17 23:33 ` 2.6.24-rc8-mm1 Venki Pallipadi
2008-01-17 23:04 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-18 1:42 ` 2.6.24-rc8-mm1 Siddha, Suresh B
2008-01-18 5:06 ` Balbir Singh [this message]
2008-01-17 20:25 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 13:21 ` [-mm Patch] UML: fix a building error WANG Cong
2008-01-17 17:59 ` Jeff Dike
2008-01-17 13:34 ` 2.6.24-rc8-mm1 Kamalesh Babulal
2008-01-17 14:26 ` 2.6.24-rc8-mm1 Ingo Molnar
2008-01-17 13:54 ` 2.6.24-rc8-mm1 kernel panic while bootup Kamalesh Babulal
2008-01-17 18:54 ` Andrew Morton
2008-01-17 19:00 ` Randy Dunlap
2008-01-20 6:24 ` Kamalesh Babulal
2008-01-20 7:17 ` Andrew Morton
2008-01-17 13:56 ` [-mm Patch] uml: fix a building error WANG Cong
2008-01-17 17:59 ` Jeff Dike
2008-01-17 18:11 ` Mariusz Kozlowski
2008-01-17 18:56 ` Andrew Morton
2008-01-17 19:38 ` Pallipadi, Venkatesh
2008-01-17 19:44 ` Andrew Morton
2008-01-17 20:42 ` Mariusz Kozlowski
2008-01-17 21:14 ` Jeff Dike
2008-01-17 21:41 ` Venki Pallipadi
2008-01-17 23:08 ` Jeff Dike
2008-01-17 23:17 ` Pallipadi, Venkatesh
2008-01-18 2:19 ` Jeff Dike
2008-01-17 18:56 ` Jeff Dike
2008-01-17 15:23 ` do_md_run returned -22 [Was: 2.6.24-rc8-mm1] Jiri Slaby
2008-01-17 19:01 ` Andrew Morton
2008-01-17 23:15 ` Neil Brown
2008-01-17 16:15 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Kamalesh Babulal
2008-01-17 19:11 ` Andrew Morton
2008-01-18 0:53 ` [PATCH] aha152x: fix isa/pcmcia compile problem Tejun Heo
2008-01-18 6:29 ` Kamalesh Babulal
2008-01-18 6:37 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Kamalesh Babulal
2008-01-18 7:20 ` [PATCH] SCSI: fix isa/pcmcia compile problem Tejun Heo
2008-01-18 7:30 ` Kamalesh Babulal
2008-01-18 14:58 ` James Bottomley
2008-01-18 23:27 ` Tejun Heo
2008-01-18 23:28 ` Tejun Heo
2008-01-18 23:32 ` James Bottomley
2008-01-18 23:46 ` Tejun Heo
2008-01-18 23:47 ` James Bottomley
2008-01-18 23:54 ` Tejun Heo
2008-01-21 9:56 ` Christoph Hellwig
2008-01-21 14:59 ` James Bottomley
2008-01-18 7:27 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Andrew Morton
2008-01-17 16:48 ` 2.6.24-rc8-mm1 (BUG: sched_rt) Randy Dunlap
2008-01-17 17:11 ` Peter Zijlstra
2008-01-17 18:05 ` Randy Dunlap
2008-01-17 19:14 ` Randy Dunlap
2008-01-17 19:38 ` Andrew Morton
2008-01-17 17:15 ` Peter Zijlstra
2008-01-17 17:28 ` x86 refuses to build [Re: 2.6.24-rc8-mm1] Dhaval Giani
2008-01-17 18:44 ` Dhaval Giani
2008-01-18 8:59 ` Ingo Molnar
2008-01-18 16:16 ` Mike Travis
2008-01-17 18:13 ` 2.6.24-rc8-mm1: broken suspend Rafael J. Wysocki
2008-01-17 18:18 ` 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: field 'partition' has incomplete type Mariusz Kozlowski
2008-01-17 19:27 ` Andrew Morton
2008-01-17 19:06 ` 2.6.24-rc8-mm1 powerpc build errors Olof Johansson
2008-01-17 19:35 ` Andrew Morton
2008-01-17 22:00 ` Greg KH
2008-01-17 21:10 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-18 1:29 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-18 5:08 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-18 13:55 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-17 21:29 ` 2.6.24-rc8-mm1 - mkubootimg wants <zlib.h> Joseph Fannin
2008-01-17 22:21 ` Josh Boyer
2008-01-17 22:15 ` 2.6.24-rc8-mm1: powerpc oopses Mariusz Kozlowski
2008-01-17 22:51 ` Andrew Morton
2008-01-17 23:39 ` Matt Mackall
2008-01-18 0:05 ` Andrew Morton
2008-01-18 0:12 ` Matt Mackall
2008-01-18 0:29 ` Andrew Morton
2008-01-18 0:47 ` Matt Mackall
2008-01-18 1:07 ` Andrew Morton
2008-01-18 1:16 ` Matt Mackall
2008-01-18 17:23 ` Mariusz Kozlowski
2008-01-18 17:33 ` Matt Mackall
2008-01-18 6:14 ` 2.6.24-rc8-mm1 Build Failure at scripts/mkubooting/crc32.c Kamalesh Babulal
2008-01-18 8:06 ` Sam Ravnborg
2008-01-20 15:30 ` Mel Gorman
2008-01-18 7:09 ` 2.6.24-rc8-mm1 build failure on headers_check Kamalesh Babulal
2008-01-18 7:38 ` Andrew Morton
2008-01-18 8:36 ` 2.6.24-rc8-mm1 Kernel oops will running kernbench Kamalesh Babulal
2008-01-18 8:44 ` Andrew Morton
2008-01-18 9:01 ` Paul Mackerras
2008-01-18 9:34 ` Kamalesh Babulal
2008-01-18 10:19 ` Paul Mackerras
2008-01-18 10:26 ` Paul Mackerras
2008-01-18 10:44 ` Kamalesh Babulal
2008-01-18 10:54 ` Balbir Singh
2008-01-25 6:05 ` 2.6.24 Kernel oops will running kernbench regression from 2.6.24-rc8-mm1 Kamalesh Babulal
2008-01-18 13:34 ` 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch) Rafael J. Wysocki
2008-01-18 16:53 ` Dave Jones
2008-01-18 17:10 ` Dave Jones
2008-01-18 20:50 ` Rafael J. Wysocki
2008-01-18 21:55 ` Rafael J. Wysocki
2008-01-18 17:26 ` 2.6.24-rc8-mm1 (KVM build issues) Balbir Singh
2008-01-22 8:40 ` Andrew Morton
2008-01-18 18:06 ` 2.6.24-rc8-mm1 Kyle McMartin
2008-01-20 1:10 ` 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device() on HP nx6325 Rafael J. Wysocki
2008-01-20 10:24 ` Ingo Molnar
2008-01-20 11:21 ` Rafael J. Wysocki
2008-01-20 16:31 ` 2.6.24-rc8-mm1 Mel Gorman
2008-01-20 16:35 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-20 18:24 ` 2.6.24-rc8-mm1 Mel Gorman
2008-01-21 18:31 ` 2.6.24-rc8-mm1 - SELinux issues Valdis.Kletnieks
2008-01-21 18:53 ` [PATCH} 2.6.24-rc8-mm1 - x86_64 PAT issues with vesafb and NVidia cards Valdis.Kletnieks
2008-01-22 20:30 ` 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __fput+0x1a8/0x1e0() Mariusz Kozlowski
2008-01-22 21:02 ` Andrew Morton
2008-01-22 22:28 ` Dave Hansen
2008-01-22 23:13 ` Dave Hansen
2008-01-23 5:47 ` Christoph Hellwig
2008-02-01 23:34 ` Andrew Morton
2008-01-24 6:09 ` 2.6.24-rc8-mm1 Kernel oops on CIFS while running fsstress Kamalesh Babulal
2008-01-24 6:44 ` 2.6.24-rc8-mm1 Badness at net/ipv4/tcp_input.c:2506 Kamalesh Babulal
2008-01-25 0:04 ` 2.6.24-rc8-mm1: old sparc64 bug Mariusz Kozlowski
2008-01-25 17:11 ` Takashi Iwai
2008-01-25 18:34 ` Mariusz Kozlowski
2008-01-28 11:55 ` Takashi Iwai
2008-01-28 22:13 ` Mariusz Kozlowski
2008-01-25 21:59 ` 2.6.24-rc8-mm1 Torsten Kaiser
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