linux-kernel - Re: regression: 9a56493f6942 "uts: Use generic ns

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Date:   Wed, 16 Dec 2020 14:32:18 +0100
From:   Mike Galbraith <efault@....de>
To:     Kirill Tkhai <ktkhai@...tuozzo.com>,
        LKML <linux-kernel@...r.kernel.org>, egorenar@...ux.ibm.com,
        Christian Brauner <christian.brauner@...ntu.com>
Subject: Re: regression: 9a56493f6942 "uts: Use generic ns_common::count"
 broke makedumpfile 1.6.7

On Wed, 2020-12-16 at 15:35 +0300, Kirill Tkhai wrote:
> Hi, Alexander,
>
> On 16.12.2020 14:02, Mike Galbraith wrote:
> > Greetings,
> >
> > With this commit, bisected and confirmed, kdump stops working here,
> > makedumpfile saying "check_release: Can't get the kernel version".
>
> hasn't your commit 55d9e11398a4 "kdump: append uts_namespace.name offset to VMCOREINFO"
> fixed this issue?

FWIW, I applied the below, but it didn't help.

---
 kernel/crash_core.c |    1 +
 1 file changed, 1 insertion(+)

--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -447,6 +447,7 @@ static int __init crash_save_vmcoreinfo_
 	VMCOREINFO_PAGESIZE(PAGE_SIZE);

 	VMCOREINFO_SYMBOL(init_uts_ns);
+	VMCOREINFO_OFFSET(uts_namespace, name);
 	VMCOREINFO_SYMBOL(node_online_map);
 #ifdef CONFIG_MMU
 	VMCOREINFO_SYMBOL_ARRAY(swapper_pg_dir);