4:15 a.m.
The crash tool cannot recognize this vmlinux.
The following error is reported.
gdb /home/tianming.wang/2656996/vmlinux
GNU gdb (GDB) 10.2
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "--host=x86_64-pc-linux-gnu
--target=aarch64-elf-linux".
Type "show configuration" for configuration details.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>;.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
BFD: /home/tianming.wang/2656996/vmlinux: unable to initialize decompress status for
section .debug_aranges
"0x7ffd0dd35e10s": not in executable format: file format not recognized
crash_arm64_sprd_v8.0.5++.bin: /home/tianming.wang/2656996/vmlinux: no debugging data
available
Please help to check it.
Thanks a lot~~
12:38 a.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
I think the root cause is CONFIG_DEBUG_INFO_COMPRESSED_ZSTD config is set.
And it requires newer gdb to support the ZSTD decompression.
Not sure if there is any ongoing plan to upgrade gdb or patch it to support ZSTD ??
Thanks.
12:59 a.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
On Wed, May 22, 2024 at 1:38 PM <jarvis0922(a)gmail.com> wrote:
I think the root cause is CONFIG_DEBUG_INFO_COMPRESSED_ZSTD config is set.
And it requires newer gdb to support the ZSTD decompression.
Not sure if there is any ongoing plan to upgrade gdb or patch it to support ZSTD ??
Have you tried to compile crash with:
$ rm -rf gdb-10.2 && make clean
$ make -j4 zstd snappy lzo
Thanks,
Tao Liu
Thanks.
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2:25 a.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
On Wed, May 22, 2024 at 1:38 PM <jarvis0922(a)gmail.com>
wrote:
Have you tried to compile crash with:
$ rm -rf gdb-10.2 && make clean
$ make -j4 zstd snappy lzo
Thanks,
Tao Liu
Thank you for the suggestion.
But it din't work.
I guess the zstd flag is for supporting vmcore compression but not covering vmlinux
3:56 a.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
On Wed, May 22, 2024 at 3:26 PM <jarvis0922(a)gmail.com> wrote:
> On Wed, May 22, 2024 at 1:38 PM <jarvis0922(a)gmail.com> wrote:
>
> Have you tried to compile crash with:
> $ rm -rf gdb-10.2 && make clean
> $ make -j4 zstd snappy lzo
>
> Thanks,
> Tao Liu
Thank you for the suggestion.
But it din't work.
I guess the zstd flag is for supporting vmcore compression but not covering vmlinux
--
Hmm... Interesting. Frankly we don't have very strong motivation to
move to a higher version of gdb for now. But I guess your case will
increase the motivation. Have you tried
https://github.com/liutgnu/crash-preview, which is integrated with a
newer gdb. Does that work for you?
Thanks,
Tao Liu
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8:28 p.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
On Wed, May 22, 2024 at 3:26 PM <jarvis0922(a)gmail.com>
wrote:
Hmm... Interesting. Frankly we don't have very strong motivation to
move to a higher version of gdb for now. But I guess your case will
increase the motivation. Have you tried
https://github.com/liutgnu/crash-preview, which is integrated with a
newer gdb. Does that work for you?
It can work for me with vmlinux with CONFIG_DEBUG_INFO_COMPRESSED_ZSTD set
Hope it could be good motivation to upgrade gdb as it seems to be more common to have it
set
Thanks.
>
> Thanks,
> Tao Liu
8:31 p.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
On Thu, May 23, 2024 at 9:28 AM <jarvis0922(a)gmail.com> wrote:
> On Wed, May 22, 2024 at 3:26 PM <jarvis0922(a)gmail.com> wrote:
>
> Hmm... Interesting. Frankly we don't have very strong motivation to
> move to a higher version of gdb for now. But I guess your case will
> increase the motivation. Have you tried
> https://github.com/liutgnu/crash-preview, which is integrated with a
> newer gdb. Does that work for you?
It can work for me with vmlinux with CONFIG_DEBUG_INFO_COMPRESSED_ZSTD set
Hope it could be good motivation to upgrade gdb as it seems to be more common to have it
set
OK, Thanks a lot for your feedback.
Thanks,
Tao Liu
Thanks.
>
> Thanks,
> Tao Liu
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10:45 p.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
Hi tao
I use ubuntu18.04 to compile the tool locally with crash_preview, but it still cannot be
recognized.
Does it depends on the ubuntu version or any special library?
GNU gdb (GDB) 13.2
Copyright (C) 2023 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "--host=x86_64-pc-linux-gnu
--target=aarch64-elf-linux".
Type "show configuration" for configuration details.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>;.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
"/home/tianming.wang/2656996/vmlinux": not in executable format: file format not
recognized
crash.bin: vmlinux: no debugging data available
Thanks~~
Tianming Wang
1:53 a.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
Hi tianming & jarvis,
On Fri, May 24, 2024 at 11:45 AM <tianming.wang(a)unisoc.com> wrote:
Hi tao
I use ubuntu18.04 to compile the tool locally with crash_preview, but it still cannot be
recognized.
Does it depends on the ubuntu version or any special library?
It got me a little confused. According to jarvis' previous email, that
crash_preview can work, however crash_preview compiled on ubuntu 18.04
doesn't work right?
If it is the case, may I know what OS jarvis used for compiling
crash_preview? And frankly I don't see the reason why ubuntu 18.04
won't work. I guess it is due to some libraries not compiled in. Could
you please share your vmcore/vmlinux to me, so I can have a debug why
crash_preview on ubuntu 18.04 doesn't work?
Thanks,
Tao Liu
GNU gdb (GDB) 13.2
Copyright (C) 2023 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "--host=x86_64-pc-linux-gnu
--target=aarch64-elf-linux".
Type "show configuration" for configuration details.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>;.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
"/home/tianming.wang/2656996/vmlinux": not in executable format: file format
not recognized
crash.bin: vmlinux: no debugging data available
Thanks~~
Tianming Wang
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2:03 a.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
Hi tao
What I compiled locally using ubuntu22.04 can be used normally.
And how can I transfer my vmcore and vmlinux to you?
These files are a bit big.
Thanks~~
Tianming Wang
9:58 p.m.
New subject: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6
Hi tianming,
On Mon, May 27, 2024 at 3:04 PM <tianming.wang(a)unisoc.com> wrote:
Hi tao
What I compiled locally using ubuntu22.04 can be used normally.
And how can I transfer my vmcore and vmlinux to you?
These files are a bit big.
Crash-preview compiled on ubuntu 22.04 will work, but won't work when
compiled on 18.04 right?
I would prefer the google drive if you want to share your files with
me. So you upload the files into google drive, and send me the link by
an private email will be OK.
Thanks,
Tao Liu
Thanks~~
Tianming Wang
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10 comments
3 participants
participants (3)
-
jarvis0922＠gmail.com -
Tao Liu -
tianming.wang＠unisoc.com