From: Helge Deller <deller@gmx.de>
To: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Cc: John David Anglin <dave@hiauly1.hia.nrc.ca>,
carlos@systemhalted.org, gniibe@fsij.org,
linux-parisc@vger.kernel.org
Subject: Re: threads and fork on machine with VIPT-WB cache
Date: Sun, 16 May 2010 22:22:02 +0200 [thread overview]
Message-ID: <4BF053EA.8090503@gmx.de> (raw)
In-Reply-To: <20100515210251.GA16614@hiauly1.hia.nrc.ca>
On 05/15/2010 11:02 PM, John David Anglin wrote:
> On Tue, 11 May 2010, Helge Deller wrote:
>
>> On 05/11/2010 11:26 PM, John David Anglin wrote:
>>>> On 05/10/2010 09:20 PM, Helge Deller wrote:
>>>>> On 05/10/2010 04:56 PM, John David Anglin wrote:
>>>>>> Yes, just after sending, I noticed gcc testsuite and minifail were
>>>>>> broken on gsyprf11. [...]
>>>>>>
>>>>>> The attached works better on gsyprf11. I haven't tested it on anything
>>>>>> else.
>>>>
>>>> Hi Dave,
>>>>
>>>> I still can see segfaults of the minifail_dave.cpp program.
>
> I haven't seen any abnormal segfaults with the attached change on
> my rp3440 and gsyprf11. Need to flush in pte_wrprotect for minifail,
> and to flush in copy_user_page to fix occasional segfaults in sh.
> The flushes in kmap/kunmap weren't sufficient.
I wish could report success as well....
But I still do see segfaults (although they seem to happen not as often as before).
Which kernel do you test? I'm on 2.6.33.3 + your patches.
Helge
next prev parent reply other threads:[~2010-05-16 20:22 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4BA43CE5.4020807@fsij.org>
[not found] ` <87hbo4ek8l.fsf@thialfi.karme.de>
[not found] ` <4BB18B46.2070203@fsij.org>
[not found] ` <4BB53D26.60601@fsij.org>
2010-04-02 2:41 ` threads and fork on machine with VIPT-WB cache NIIBE Yutaka
2010-04-02 3:30 ` James Bottomley
2010-04-02 3:48 ` NIIBE Yutaka
2010-04-02 8:05 ` NIIBE Yutaka
2010-04-02 19:35 ` John David Anglin
2010-04-08 21:11 ` Helge Deller
2010-04-08 21:54 ` John David Anglin
2010-04-08 22:44 ` John David Anglin
2010-04-09 14:14 ` Carlos O'Donell
2010-04-09 15:13 ` John David Anglin
2010-04-09 15:48 ` James Bottomley
2010-04-09 16:22 ` John David Anglin
2010-04-09 16:31 ` James Bottomley
2010-04-10 20:46 ` Helge Deller
2010-04-10 21:56 ` John David Anglin
2010-04-10 22:53 ` John David Anglin
2010-04-11 18:50 ` Helge Deller
2010-04-11 22:25 ` John David Anglin
2010-04-12 21:02 ` Helge Deller
2010-04-12 21:41 ` John David Anglin
2010-04-13 11:55 ` Helge Deller
2010-04-13 14:03 ` John David Anglin
2010-04-15 22:35 ` John David Anglin
2010-04-19 16:26 ` John David Anglin
2010-04-20 17:59 ` Helge Deller
2010-04-20 18:52 ` John David Anglin
2010-05-09 12:43 ` John David Anglin
2010-05-09 14:14 ` Carlos O'Donell
2010-05-10 9:56 ` Helge Deller
2010-05-10 14:56 ` John David Anglin
2010-05-10 19:20 ` Helge Deller
2010-05-10 21:07 ` John David Anglin
2010-05-11 16:37 ` John David Anglin
2010-05-11 21:39 ` John David Anglin
2010-05-11 20:44 ` Helge Deller
2010-05-11 20:41 ` Helge Deller
2010-05-11 21:26 ` John David Anglin
2010-05-11 21:41 ` Helge Deller
2010-05-15 21:02 ` John David Anglin
2010-05-16 20:22 ` Helge Deller [this message]
2010-05-16 21:38 ` John David Anglin
2010-05-22 17:25 ` John David Anglin
2010-05-23 13:11 ` Carlos O'Donell
2010-05-23 14:43 ` John David Anglin
2010-05-01 18:34 ` Thibaut VARENE
2010-05-01 20:17 ` John David Anglin
2010-05-02 10:53 ` Thibaut VARÈNE
2010-04-11 16:36 ` [PATCH] Call pagefault_disable/pagefault_enable in kmap_atomic/kunmap_atomic John David Anglin
2010-04-11 17:03 ` [PATCH] Remove unnecessary macros from entry.S John David Anglin
2010-04-11 17:08 ` [PATCH] Delete unnecessary nop's in entry.S John David Anglin
2010-04-11 17:12 ` [PATCH] Avoid interruption in critical region " John David Anglin
2010-04-11 18:24 ` James Bottomley
2010-04-11 18:45 ` John David Anglin
2010-04-11 18:53 ` James Bottomley
2010-04-11 17:26 ` [PATCH] LWS fixes for syscall.S John David Anglin
2010-06-02 15:33 ` Bug#561203: threads and fork on machine with VIPT-WB cache Modestas Vainius
2010-06-02 17:16 ` John David Anglin
2010-06-02 17:56 ` Bug#561203: " dann frazier
2010-06-03 8:50 ` Modestas Vainius
2010-06-04 1:03 ` NIIBE Yutaka
2010-06-04 5:21 ` dann frazier
2010-06-04 10:44 ` Thibaut VARENE
2010-06-07 17:11 ` dann frazier
2010-06-07 18:27 ` Thibaut VARÈNE
2010-06-07 23:33 ` dann frazier
2010-06-06 1:01 ` Modestas Vainius
2010-04-02 12:22 ` James Bottomley
2010-04-05 0:39 ` NIIBE Yutaka
2010-04-05 2:51 ` John David Anglin
2010-04-05 2:58 ` John David Anglin
2010-04-05 16:18 ` James Bottomley
2010-04-06 4:57 ` NIIBE Yutaka
2010-04-06 13:37 ` James Bottomley
2010-04-06 13:44 ` James Bottomley
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