Re: Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())

To: Pedro Falcato <pedro.falcato@xxxxxxxxx>
Subject: Re: Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())
From: Jiri Slaby <jirislaby@xxxxxxxxxx>
Date: Thu, 12 Jan 2023 17:57:43 +0100
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, mm <linux-mm@xxxxxxxxx>, yuzhao@xxxxxxxxxx, Michal Hocko <MHocko@xxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, shy828301@xxxxxxxxx
In-reply-to: <17b584f1-9d3b-35bb-7035-9b225936fd23@kernel.org>
References: <b8017e09-f336-3035-8344-c549086c2340@kernel.org> <CAKbZUD0Tqct_G9OcO8ocdH1J_YvLSEod-ofr97hsyoHgcvBwuw@mail.gmail.com> <7aa90802-d25c-baa3-9c03-2502ad3c708a@kernel.org> <17b584f1-9d3b-35bb-7035-9b225936fd23@kernel.org>
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On 12. 01. 23, 16:43, Jiri Slaby wrote:

and dump a kcore (kdump is set up).


Going to trigger a dump now.

Hmm, crash doesn't seems to work for 6.1, apparently. Once it didnothing, second time, it dumped an empty dir...

So for now, only the lock dump is available. Next time, I will dump atleast process states (sysrq-t).


thanks,
--
js
suse labs

Follow-Ups:
- Re: Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())
  - From: Liam Howlett

References:
- Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())
  - From: Jiri Slaby
- Re: Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())
  - From: Pedro Falcato
- Re: Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())
  - From: Jiri Slaby
- Re: Stalls in qemu with host running 6.1 (everything stuck at mmap_read_lock())
  - From: Jiri Slaby