[Crash-utility] 答复: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6

王天明 (Tianming Wang) <Tianming.Wang@xxxxxxxxxx> · Thu, 23 May 2024 08:37:13 +0000

Hi lianbo

It works ok!

Thanks~~

发件人: lijiang <lijiang@xxxxxxxxxx>

发送时间: 2024年5月23日
 15:29

收件人: devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx

抄送: jarvis0922@xxxxxxxxx;
王天明 (Tianming Wang) <Tianming.Wang@xxxxxxxxxx>

主题: Re: crash8.0.5 cannot parse vmlinux compiled by google-A15-kernel6.6

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On Thu, May 23, 2024 at 12:07 PM <devel-request@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
 wrote:

Date: Thu, 23 May 2024 01:28:12 -0000

From: jarvis0922@xxxxxxxxx

Subject: [Crash-utility] Re: crash8.0.5 cannot parse vmlinux compiled

        by google-A15-kernel6.6

To: devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx

Message-ID: <20240523012812.12611.42286@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

Content-Type: text/plain; charset="utf-8"

> On Wed, May 22, 2024 at 3:26 PM <jarvis0922(a)gmail.com&gt; 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 for pointing out this issue. Can you help to check if it can work well for you as below? Just want to confirm if crash also works well without the latest embedded gdb.

1. objcopy --decompress-debug-sections vmlinux

2. crash vmlinux vmcore

If yes, at least it can parse the current vmlinux(with compressed debug info) until the new gdb grade is completed.

Thanks

Lianbo

Thanks.

> 

> Thanks,

> Tao Liu

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