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Re: [Libreboot] new T400 beta ROMs for testing
From: |
persmule |
Subject: |
Re: [Libreboot] new T400 beta ROMs for testing |
Date: |
Sun, 21 Aug 2016 00:48:45 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.2.0 |
Hi Leah,
I have just finished testing (1095b5fd5a01c2392bab878fbc41b0c2f5a661d8,
using cb revision 2a3434757ef425dbdfedf1fc69e1a033a6e7310d) on my
t400s, which starts EC properly. But after I replaced the
resources/libreboot/config/grub/t400_8mb/config with the one of the
newest libreboot revision ($ git checkout master
resources/libreboot/config/grub/t400_8mb/config ), the EC failed to
init!
It seems the regression leading to failure initialization of t400s' EC
lies in the config file!
But, if that is true, how can I do "bisect" on the config file?
Persmule
在 2016年08月20日 08:57, persmule 写道:
Hi Leah,
Till now, what I get is that the revision you update the coreboot
revision (1a3cfd3ca6c59c49349925b25e30f6308c47fb26, using cb revision
d83b0e9ac4174cca92ac2c3b83a7e8491a9a1ff4) failed to init EC on t400s
(if I restart instead of shutdown the computer after flashing the rom
when EC is functional, EC will be functional after reboot), and the
revision just before that (1095b5fd5a01c2392bab878fbc41b0c2f5a661d8,
using cb revision 2a3434757ef425dbdfedf1fc69e1a033a6e7310d) starts EC
properly. And I failed to build the combination of (1095b5f,d83b0e9)
due to some compilation error.
Persmule
在 2016年08月19日 12:54, Persmule 写道:
Hi Leah,
I manage to do bisect myself.
I have noticed that the coreboot revision used by t400 has changed
around Jul 17:
$ git diff 23048a4 HEAD
resources/libreboot/config/grub/t400_8mb/cbrevision
diff --git a/resources/libreboot/config/grub/t400_8mb/cbrevision
b/resources/libreboot/config/grub/t400_8mb/cbrevision
index 1ab8299..d4e47be 100644
--- a/resources/libreboot/config/grub/t400_8mb/cbrevision
+++ b/resources/libreboot/config/grub/t400_8mb/cbrevision
@@ -1 +1 @@
-2a3434757ef425dbdfedf1fc69e1a033a6e7310d
+d83b0e9ac4174cca92ac2c3b83a7e8491a9a1ff4
Is it possible to do bisect like below?
start bisect on coreboot's repository between the two revision, then
write the current coreboot revision number given by $git show -s to
resources/libreboot/config/grub/t400_?mb/cbrevision, then build
libreboot as usual and flash and test, then mark the current
revision on coreboot's repository and recurse.
Persmule
在 2016年08月11日 18:27, Leah Rowe 写道:
Hi Persmule,
Op 11/08/16 om 03:46 schreef Persmule:
> Hi all,
> Sorry, the different byte is actually 0x14 (024 in octal) in the
> older and 0x24 (044 in octal) in the newer. I used "$cmp -bl" to
> search the possible difference, which print the different byte in
> octal.
I made some changes to ich9gen, relating to the descriptor, some
time
ago. We found for instance that the "component density" section was
wrong, so we fixed that. There were some other minor changes. Users
have reported working wifi with those newer descriptors in earlier
snapshots. The 96 snapshot uses a new revision of coreboot and as
far
as I know, this is all that has changed, aside from some minor
patches
changed which also shouldn't (in my opinion) affect wifi. We think
upstream (coreboot project) might have broken it, so someone will
have
to bisect coreboot to see if there is a regression, and if so on
what
commit.
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- Re: [Libreboot] new T400 beta ROMs for testing, (continued)
- Re: [Libreboot] new T400 beta ROMs for testing, persmule, 2016/08/10
- Re: [Libreboot] new T400 beta ROMs for testing, Leah Rowe, 2016/08/10
- Re: [Libreboot] new T400 beta ROMs for testing, Marcel Maci, 2016/08/10
- Re: [Libreboot] new T400 beta ROMs for testing, Persmule, 2016/08/10
- Re: [Libreboot] new T400 beta ROMs for testing, Persmule, 2016/08/10
- Re: [Libreboot] new T400 beta ROMs for testing, Leah Rowe, 2016/08/11
- Re: [Libreboot] new T400 beta ROMs for testing, Leah Rowe, 2016/08/11
- Re: [Libreboot] new T400 beta ROMs for testing, persmule, 2016/08/11
- Re: [Libreboot] new T400 beta ROMs for testing, Persmule, 2016/08/19
- Re: [Libreboot] new T400 beta ROMs for testing, persmule, 2016/08/19
- Re: [Libreboot] new T400 beta ROMs for testing,
persmule <=
- Re: [Libreboot] new T400 beta ROMs for testing, Leah Rowe, 2016/08/11
- Re: [Libreboot] new T400 beta ROMs for testing, Leah Rowe, 2016/08/11
- [Libreboot] Booting from usb/cd without grub graphics, Bruno Dantas, 2016/08/11
- Re: [Libreboot] Booting from usb/cd without grub graphics, Marcel Maci, 2016/08/11
- Re: [Libreboot] Booting from usb/cd without grub graphics, Bruno Dantas, 2016/08/11
- Re: [Libreboot] Booting from usb/cd without grub graphics, Bruno Dantas, 2016/08/11
- Re: [Libreboot] new T400 beta ROMs for testing, persmule, 2016/08/10
Re: [Libreboot] new T400 beta ROMs for testing, Bruno Dantas, 2016/08/09