From: Nikolay Borisov <nborisov@suse.com>
To: Chris Murphy <lists@colorremedies.com>
Cc: Qu Wenruo <wqu@suse.com>, Qu Wenruo <quwenruo.btrfs@gmx.com>,
Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: 5.14.9 aarch64 OOPS Workqueue: btrfs-delalloc btrfs_work_helper
Date: Wed, 13 Oct 2021 15:46:22 +0300 [thread overview]
Message-ID: <eae44940-48cb-5199-c46f-7db4ec953edf@suse.com> (raw)
In-Reply-To: <CAJCQCtSRxFuU4bTTa5_q6fAPuwf3pwrnUXM1CKgc+r69WSE9tQ@mail.gmail.com>
On 13.10.21 г. 15:43, Chris Murphy wrote:
> On Wed, Oct 13, 2021 at 8:29 AM Nikolay Borisov <nborisov@suse.com> wrote:
>>
>>
>>
>> On 13.10.21 г. 15:27, Chris Murphy wrote:
>>> On Wed, Oct 13, 2021 at 8:18 AM Qu Wenruo <wqu@suse.com> wrote:
>>>
>>>> Sorry, it only needs the last the stack (submit_compressed_extents+0x38)
>>>>
>>>> The full command would looks like this:
>>>>
>>>> $ ./scripts/faddr2line fs/btrfs/btrfs.ko submit_compressed_extents+0x38
>>>
>>> btrfs is built-in on Fedora kernels, so there's no btrfs.ko, when I do:
>>>
>>> $ /usr/src/kernels/5.14.9-300.fc35.x86_64/scripts/faddr2line
>>> /boot/vmlinuz-5.14.9-300.fc35.x86_64 submit_compressed_extents+0x38
>>> readelf: /boot/vmlinuz-5.14.9-300.fc35.x86_64: Error: Not an ELF file
>>> - it has the wrong magic bytes at the start
>>> nm: /boot/vmlinuz-5.14.9-300.fc35.x86_64: no symbols
>>> nm: /boot/vmlinuz-5.14.9-300.fc35.x86_64: no symbols
>>> no match for submit_compressed_extents+0x38
>>>
>>>
>>>> The modules needs to have debug info though.
>>>
>>> CONFIG_BTRFS_DEBUG ?
>>>
>>> Neither regular nor debug kernels have this set, we're only setting
>>> CONFIG_BTRFS_ASSERT on debug kernels.
>>>
>>
>> No, debug info is intorduced by CONFIG_DEBUG_INFO
>
> CONFIG_DEBUG_INFO=y in even regular kernels.
>
>> so you need the kernel debug package for fedora i.e vmlinuz.debug or
>> some such?
>
> Each kernel has kernel-debuginfo and kernel-debuginfo-common, ~735M.
> Installed that and yet I get the same error, so I'm not sure I'm
> pointing to the correct object.
Your kernel's debug info is likely somewhere under /usr/lib/debug/`uname
-r`/vmlinunx - I got this from
https://fedoraproject.org/wiki/How_to_use_kdump_to_debug_kernel_crashes,
step 3
>
next prev parent reply other threads:[~2021-10-13 12:46 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-12 0:59 5.14.9 aarch64 OOPS Workqueue: btrfs-delalloc btrfs_work_helper Chris Murphy
2021-10-12 5:25 ` Nikolay Borisov
2021-10-12 6:47 ` Qu Wenruo
2021-10-12 14:30 ` Chris Murphy
2021-10-12 21:24 ` Chris Murphy
2021-10-12 23:55 ` Qu Wenruo
2021-10-13 12:14 ` Chris Murphy
2021-10-13 12:18 ` Qu Wenruo
2021-10-13 12:27 ` Chris Murphy
2021-10-13 12:29 ` Nikolay Borisov
2021-10-13 12:43 ` Chris Murphy
2021-10-13 12:46 ` Nikolay Borisov [this message]
2021-10-13 12:55 ` Chris Murphy
2021-10-13 19:21 ` Chris Murphy
2021-10-18 1:57 ` Chris Murphy
2021-10-18 11:32 ` Su Yue
2021-10-18 13:28 ` Qu Wenruo
2021-10-18 14:49 ` Chris Murphy
2021-10-18 18:24 ` Chris Murphy
2021-10-19 1:24 ` Su Yue
2021-10-19 18:26 ` Chris Murphy
2021-10-19 23:42 ` Su Yue
2021-10-20 1:21 ` Qu Wenruo
2021-10-20 1:25 ` Chris Murphy
2021-10-20 23:55 ` Chris Murphy
2021-10-21 0:29 ` Su Yue
2021-10-21 0:37 ` Qu Wenruo
2021-10-21 0:46 ` Su Yue
2021-10-21 14:43 ` Chris Murphy
2021-10-21 14:48 ` Chris Murphy
2021-10-21 14:51 ` Nikolay Borisov
2021-10-21 14:55 ` Chris Murphy
2021-10-21 15:01 ` Nikolay Borisov
2021-10-21 15:06 ` Chris Murphy
2021-10-21 15:32 ` Chris Murphy
2021-10-21 18:07 ` Chris Murphy
2021-10-21 5:56 ` Nikolay Borisov
2021-10-22 2:36 ` Chris Murphy
2021-10-22 6:02 ` Nikolay Borisov
2021-10-22 6:17 ` Su Yue
2021-10-22 10:44 ` Nikolay Borisov
2021-10-22 11:43 ` Nikolay Borisov
2021-10-22 17:18 ` Chris Murphy
2021-10-23 10:09 ` Nikolay Borisov
2021-10-25 14:48 ` Chris Murphy
2021-10-25 18:34 ` Chris Murphy
2021-10-25 19:40 ` Chris Murphy
2021-10-26 7:14 ` Nikolay Borisov
2021-10-26 12:51 ` Chris Murphy
2021-10-26 13:05 ` Nikolay Borisov
2021-10-26 18:08 ` Chris Murphy
2021-10-26 18:14 ` Nikolay Borisov
2021-10-26 18:26 ` Chris Murphy
2021-10-26 18:31 ` Chris Murphy
2021-10-26 18:35 ` Nikolay Borisov
2021-10-27 18:22 ` Chris Murphy
2021-10-28 5:36 ` Nikolay Borisov
2021-11-02 14:23 ` Chris Murphy
2021-11-02 14:25 ` Nikolay Borisov
2021-11-05 16:12 ` Chris Murphy
2021-11-07 9:11 ` Nikolay Borisov
2021-10-19 1:25 ` Qu Wenruo
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=eae44940-48cb-5199-c46f-7db4ec953edf@suse.com \
--to=nborisov@suse.com \
--cc=linux-btrfs@vger.kernel.org \
--cc=lists@colorremedies.com \
--cc=quwenruo.btrfs@gmx.com \
--cc=wqu@suse.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.