Re: regression: 9a56493f6942 "uts: Use generic ns_common::count" broke makedumpfile 1.6.7

From: Mike Galbraith
Date: Wed Dec 16 2020 - 08:34:58 EST


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);