Messages in this thread | | | From | David Chen <> | Subject | RE: "BUG at kernel/entry/common.c:407!" on 5.10.133+ | Date | Tue, 27 Sep 2022 18:58:04 +0000 |
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> -----Original Message----- > From: Thorsten Leemhuis <regressions@leemhuis.info> > Sent: Tuesday, September 27, 2022 12:44 AM > To: David Chen <david.chen@nutanix.com>; linux-kernel@vger.kernel.org > Cc: Peter Zijlstra <peterz@infradead.org>; Borislav Petkov <bp@suse.de>; Josh Poimboeuf <jpoimboe@kernel.org> > Subject: Re: "BUG at kernel/entry/common.c:407!" on 5.10.133+ > > Hi, this is your Linux kernel regression tracker. > > On 26.09.22 19:57, David Chen wrote: > > > > On 5.10 branch starting from 5.10.133, if I do: > > > > echo 1 > /proc/sys/kernel/stack_tracer_enabled > > > > The system will lock up, and the console will keep spewing > > "BUG at kernel/entry/common.c:407!" indefinitely. > > > > I bisect this issue down to "c9eb5dc x86: Use return-thunk in asm code". > > Though interestingly, when I tried this on 5.19.11 which also contains the > > change, the issue didn't occur. Also this issue happens on both KVM guest and > > Virtualbox guest. I'm not sure if this affects non-VM for not. > > > > Any help is appreciated. > > Quick question: what was the latest version you tried to reproduce this > on? There were a few ftrace fixes that went into 5.10.144 (released one > week ago). > > Ciao, Thorsten
Hi, I think the last version I tried was 5.10.143. I just tried 5.10.145 and it seems to be working fine. Thanks a lot.
David
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