From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: Problem booting a PowerBook G4 Aluminum after commit cd08f109 with CONFIG_VMAP_STACK=y
Date: Thu, 13 Feb 2020 11:23:56 +0000 [thread overview]
Message-ID: <02293587-2753-dbb1-73fe-d00ca08f2cf4@c-s.fr> (raw)
In-Reply-To: <1787b507-dfbf-7801-f7d4-a1547e9bd588@lwfinger.net>
On 02/12/2020 11:02 PM, Larry Finger wrote:
> On 2/11/20 1:23 PM, Christophe Leroy wrote:
>>
>> Can you send me a picture of that BUG Unable to handle kernel data
>> access with all the registers values etc..., together with the
>> matching vmlinux ?
>
> The vmlinux file was too big for your mailbox. You can download it from
> http://www.lwfinger.com/download/vmlinux.gz
>
Hi,
Is that the vmlinux that corresponds to:
BUG Unable to handle kernel data access at 0x007a84fc.
The faulting instruction address was 0x00013674
Nevertheless, do you have a picture of the said BUG/Oops to see all
registers ?
Because here, the address 0x13674 is not a data access:
c00135ec <ppc6xx_idle>:
c00135ec: 3c 60 00 00 lis r3,0
c00135f0: 3c 60 00 80 lis r3,128
c00135f4: 3c 80 c0 83 lis r4,-16253
c00135f8: 80 84 f2 80 lwz r4,-3456(r4)
c00135fc: 80 84 00 0c lwz r4,12(r4)
c0013600: 70 80 00 08 andi. r0,r4,8
c0013604: 41 82 00 18 beq c001361c <ppc6xx_idle+0x30>
c0013608: 3c 80 c0 84 lis r4,-16252
c001360c: 80 84 30 34 lwz r4,12340(r4)
c0013610: 2c 04 00 00 cmpwi r4,0
c0013614: 41 82 00 08 beq c001361c <ppc6xx_idle+0x30>
c0013618: 3c 60 00 40 lis r3,64
c001361c: 2c 03 00 00 cmpwi r3,0
c0013620: 4d 82 00 20 beqlr
c0013624: 74 60 00 40 andis. r0,r3,64
c0013628: 41 82 00 30 beq c0013658 <ppc6xx_idle+0x6c>
c001362c: 7c 96 fa a6 mfspr r4,1014
c0013630: 54 84 00 3a rlwinm r4,r4,0,0,29
c0013634: 7c 00 04 ac hwsync
c0013638: 7c 96 fb a6 mtspr 1014,r4
c001363c: 7c 00 04 ac hwsync
c0013640: 4c 00 01 2c isync
c0013644: 3c 80 c0 00 lis r4,-16384
c0013648: 7c 00 20 ac dcbf 0,r4
c001364c: 7c 00 20 ac dcbf 0,r4
c0013650: 7c 00 20 ac dcbf 0,r4
c0013654: 7c 00 20 ac dcbf 0,r4
c0013658: 3c 80 c0 7c lis r4,-16260
c001365c: 80 84 92 64 lwz r4,-28060(r4)
c0013660: 2c 04 00 00 cmpwi r4,0
c0013664: 41 82 00 10 beq c0013674 <ppc6xx_idle+0x88>
c0013668: 7c 91 fa a6 mfspr r4,1009
c001366c: 64 84 00 01 oris r4,r4,1
c0013670: 7c 91 fb a6 mtspr 1009,r4
>> c0013674: 7c 90 fa a6 mfspr r4,1008
c0013678: 3c a0 00 60 lis r5,96
c001367c: 64 a5 00 80 oris r5,r5,128
c0013680: 7c 84 28 78 andc r4,r4,r5
c0013684: 7c 84 1b 78 or r4,r4,r3
c0013688: 64 84 00 10 oris r4,r4,16
c001368c: 7c 90 fb a6 mtspr 1008,r4
c0013690: 7e 00 06 6c dssall
c0013694: 7c 00 04 ac hwsync
c0013698: 81 02 00 04 lwz r8,4(r2)
c001369c: 61 08 00 01 ori r8,r8,1
c00136a0: 91 02 00 04 stw r8,4(r2)
c00136a4: 7c e0 00 a6 mfmsr r7
c00136a8: 60 e7 80 00 ori r7,r7,32768
c00136ac: 64 e7 00 04 oris r7,r7,4
c00136b0: 7c 00 04 ac hwsync
c00136b4: 7c e0 01 24 mtmsr r7
c00136b8: 4c 00 01 2c isync
c00136bc: 4b ff ff f4 b c00136b0 <ppc6xx_idle+0xc4>
Thanks
Christophe
next prev parent reply other threads:[~2020-02-13 11:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <f7565b89-c8b2-d2e7-929e-4b1abf72fc63@lwfinger.net>
[not found] ` <159ed5d8-376b-1642-fb4b-01406d671cf1@c-s.fr>
[not found] ` <6a1802b8-c6a7-d091-1036-689e089b786f@lwfinger.net>
2020-02-11 6:55 ` Problem booting a PowerBook G4 Aluminum after commit cd08f109 with CONFIG_VMAP_STACK=y Christophe Leroy
2020-02-11 16:06 ` Larry Finger
2020-02-11 19:23 ` Christophe Leroy
[not found] ` <1787b507-dfbf-7801-f7d4-a1547e9bd588@lwfinger.net>
2020-02-13 11:23 ` Christophe Leroy [this message]
[not found] ` <7f63e8a8-95c5-eeca-dc79-3c13f4d98d39@lwfinger.net>
2020-02-13 14:43 ` RESEND: " Christophe Leroy
2020-02-13 23:09 ` Larry Finger
2020-02-14 6:24 ` Christophe Leroy
2020-02-14 11:02 ` Christophe Leroy
2020-02-14 18:20 ` Larry Finger
2020-02-14 18:24 ` Larry Finger
2020-02-14 19:35 ` Christophe Leroy
2020-02-15 2:42 ` Larry Finger
2020-02-15 7:55 ` Christophe Leroy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=02293587-2753-dbb1-73fe-d00ca08f2cf4@c-s.fr \
--to=christophe.leroy@c-s.fr \
--cc=Larry.Finger@lwfinger.net \
--cc=linuxppc-dev@lists.ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).