From: ebiederm@xmission.com (Eric W. Biederman)
To: Don Zickus <dzickus@redhat.com>
Cc: vgoyal@in.ibm.com, fastboot@osdl.org, Horms <horms@verge.net.au>,
Jan Kratochvil <lace@jankratochvil.net>,
"H. Peter Anvin" <hpa@zytor.com>,
Magnus Damm <magnus.damm@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: [Fastboot] [CFT] ELF Relocatable x86 and x86_64 bzImages
Date: Sat, 12 Aug 2006 13:41:30 -0600 [thread overview]
Message-ID: <m1r6zlyc5x.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20060812152555.GB16068@redhat.com> (Don Zickus's message of "Sat, 12 Aug 2006 11:25:55 -0400")
Don Zickus <dzickus@redhat.com> writes:
>> This looks like a different one but looks fairly sane.
>>
>> Do you know what code had problems having _PAGE_NX set.
>> What are we doing with early_ioremap the requires execute
>> permissions. It doesn't sound right that we would need
>> this.
>
> This fix is only needed for a subset of our em64t boxes, so it could be
> just a chipset problem. Supposedly, if I remember the conversation
> correctly, when the kernel first boots it reserves about 40MB and about 20
> pmds automatically. After decompression, early_io_remap tries to setup
> all the memory. The conflict arose when early_io_remap tried to reuse one
> of those pmds. This caused the system to crash and reboot.
>
> I'll try to get more info Monday on the specifics.
Thanks.
Eric
next prev parent reply other threads:[~2006-08-12 19:42 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <aec7e5c30606300145p441d8d0xd89fab5e87de5a22@mail.gmail.com>
[not found] ` <20060705222448.GC992@in.ibm.com>
[not found] ` <aec7e5c30607051932r49bbcc7eh2c190daa06859dcc@mail.gmail.com>
[not found] ` <20060706081520.GB28225@host0.dyn.jankratochvil.net>
[not found] ` <aec7e5c30607070147g657d2624qa93a145dd4515484@mail.gmail.com>
[not found] ` <20060707133518.GA15810@in.ibm.com>
[not found] ` <20060707143519.GB13097@host0.dyn.jankratochvil.net>
[not found] ` <20060710233219.GF16215@in.ibm.com>
[not found] ` <20060711010815.GB1021@host0.dyn.jankratochvil.net>
[not found] ` <m1d5c92yv4.fsf@ebiederm.dsl.xmission.com>
2006-07-31 16:19 ` [CFT] ELF Relocatable x86 and x86_64 bzImages Eric W. Biederman
2006-07-31 20:25 ` Vivek Goyal
2006-07-31 21:00 ` [Fastboot] " Vivek Goyal
2006-08-01 2:31 ` Eric W. Biederman
2006-08-01 2:34 ` H. Peter Anvin
2006-08-01 3:44 ` Eric W. Biederman
2006-08-01 4:25 ` Jan Kratochvil
2006-08-01 9:09 ` Eric W. Biederman
2006-08-01 9:43 ` Jan Kratochvil
2006-08-01 11:28 ` Eric W. Biederman
2006-08-04 21:08 ` Don Zickus
2006-08-04 21:25 ` Eric W. Biederman
2006-08-04 23:43 ` Don Zickus
2006-08-05 7:49 ` Eric W. Biederman
2006-08-05 16:07 ` Eric W. Biederman
2006-08-07 17:44 ` Don Zickus
2006-08-07 18:08 ` Eric W. Biederman
2006-08-07 23:57 ` Don Zickus
2006-08-08 5:01 ` Eric W. Biederman
2006-08-08 19:36 ` Don Zickus
2006-08-09 20:06 ` Don Zickus
2006-08-10 6:09 ` Eric W. Biederman
2006-08-10 13:13 ` Vivek Goyal
2006-08-10 17:05 ` Eric W. Biederman
2006-08-10 18:18 ` Vivek Goyal
2006-08-10 20:09 ` Eric W. Biederman
2006-08-11 21:25 ` Don Zickus
2006-08-12 7:20 ` Eric W. Biederman
2006-08-12 15:25 ` Don Zickus
2006-08-12 19:41 ` Eric W. Biederman [this message]
2006-08-13 20:06 ` Andi Kleen
2006-08-13 21:44 ` Eric W. Biederman
2006-08-14 16:51 ` [Fastboot] " Vivek Goyal
2006-08-14 17:04 ` H. Peter Anvin
2006-08-14 18:11 ` Vivek Goyal
2006-08-14 19:32 ` H. Peter Anvin
2006-08-14 19:42 ` Vivek Goyal
2006-08-14 19:45 ` H. Peter Anvin
2006-08-14 19:57 ` Vivek Goyal
2006-08-14 20:10 ` Eric W. Biederman
2006-08-14 20:59 ` Vivek Goyal
2006-08-14 21:15 ` Eric W. Biederman
2006-08-14 20:00 ` Eric W. Biederman
2006-08-08 23:36 ` Andi Kleen
2006-08-25 20:16 ` Vivek Goyal
2006-08-25 20:16 ` Vivek Goyal
[not found] <6EIOG-2xY-31@gated-at.bofh.it>
[not found] ` <6EIOG-2xY-33@gated-at.bofh.it>
[not found] ` <6EIOG-2xY-35@gated-at.bofh.it>
[not found] ` <6EIOG-2xY-37@gated-at.bofh.it>
[not found] ` <6EIOG-2xY-39@gated-at.bofh.it>
[not found] ` <6EIOG-2xY-19@gated-at.bofh.it>
[not found] ` <6Gf5M-2zt-23@gated-at.bofh.it>
[not found] ` <6Gfpt-30C-49@gated-at.bofh.it>
[not found] ` <6GhAA-6bP-19@gated-at.bofh.it>
[not found] ` <6Gx2C-436-5@gated-at.bofh.it>
[not found] ` <6HhoT-5E7-33@gated-at.bofh.it>
[not found] ` <6HhRQ-6uk-3@gated-at.bofh.it>
2006-08-09 12:40 ` [Fastboot] " Bodo Eggert
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