From: Jason Gunthorpe <jgg@ziepe.ca>
To: "Longpeng(Mike)" <longpeng2@huawei.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
kvm@vger.kernel.org, arei.gonglei@huawei.com,
weidong.huang@huawei.com, weifuqiang@huawei.com,
kirill.shutemov@linux.intel.com,
Mike Kravetz <mike.kravetz@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Matthew Wilcox <willy@infradead.org>,
Sean Christopherson <sean.j.christopherson@intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v4] mm/hugetlb: fix a addressing exception caused by huge_pte_offset
Date: Sat, 28 Mar 2020 20:07:59 -0300 [thread overview]
Message-ID: <20200328230759.GD20941@ziepe.ca> (raw)
In-Reply-To: <20200327234122.1985-1-longpeng2@huawei.com>
On Sat, Mar 28, 2020 at 07:41:22AM +0800, Longpeng(Mike) wrote:
> From: Longpeng <longpeng2@huawei.com>
>
> Our machine encountered a panic(addressing exception) after run
> for a long time and the calltrace is:
> RIP: 0010:[<ffffffff9dff0587>] [<ffffffff9dff0587>] hugetlb_fault+0x307/0xbe0
> RSP: 0018:ffff9567fc27f808 EFLAGS: 00010286
> RAX: e800c03ff1258d48 RBX: ffffd3bb003b69c0 RCX: e800c03ff1258d48
> RDX: 17ff3fc00eda72b7 RSI: 00003ffffffff000 RDI: e800c03ff1258d48
> RBP: ffff9567fc27f8c8 R08: e800c03ff1258d48 R09: 0000000000000080
> R10: ffffaba0704c22a8 R11: 0000000000000001 R12: ffff95c87b4b60d8
> R13: 00005fff00000000 R14: 0000000000000000 R15: ffff9567face8074
> FS: 00007fe2d9ffb700(0000) GS:ffff956900e40000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffffd3bb003b69c0 CR3: 000000be67374000 CR4: 00000000003627e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Call Trace:
> [<ffffffff9df9b71b>] ? unlock_page+0x2b/0x30
> [<ffffffff9dff04a2>] ? hugetlb_fault+0x222/0xbe0
> [<ffffffff9dff1405>] follow_hugetlb_page+0x175/0x540
> [<ffffffff9e15b825>] ? cpumask_next_and+0x35/0x50
> [<ffffffff9dfc7230>] __get_user_pages+0x2a0/0x7e0
> [<ffffffff9dfc648d>] __get_user_pages_unlocked+0x15d/0x210
> [<ffffffffc068cfc5>] __gfn_to_pfn_memslot+0x3c5/0x460 [kvm]
> [<ffffffffc06b28be>] try_async_pf+0x6e/0x2a0 [kvm]
> [<ffffffffc06b4b41>] tdp_page_fault+0x151/0x2d0 [kvm]
> ...
> [<ffffffffc06a6f90>] kvm_arch_vcpu_ioctl_run+0x330/0x490 [kvm]
> [<ffffffffc068d919>] kvm_vcpu_ioctl+0x309/0x6d0 [kvm]
> [<ffffffff9deaa8c2>] ? dequeue_signal+0x32/0x180
> [<ffffffff9deae34d>] ? do_sigtimedwait+0xcd/0x230
> [<ffffffff9e03aed0>] do_vfs_ioctl+0x3f0/0x540
> [<ffffffff9e03b0c1>] SyS_ioctl+0xa1/0xc0
> [<ffffffff9e53879b>] system_call_fastpath+0x22/0x27
> Cc: Mike Kravetz <mike.kravetz@oracle.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Jason Gunthorpe <jgg@ziepe.ca>
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Sean Christopherson <sean.j.christopherson@intel.com>
> Cc: stable@vger.kernel.org
> Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
> Signed-off-by: Longpeng <longpeng2@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Jason
next prev parent reply other threads:[~2020-03-28 23:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-27 23:41 [PATCH v4] mm/hugetlb: fix a addressing exception caused by huge_pte_offset Longpeng(Mike)
2020-03-28 23:07 ` Jason Gunthorpe [this message]
2020-03-31 13:11 ` Sasha Levin
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=20200328230759.GD20941@ziepe.ca \
--to=jgg@ziepe.ca \
--cc=akpm@linux-foundation.org \
--cc=arei.gonglei@huawei.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=longpeng2@huawei.com \
--cc=mike.kravetz@oracle.com \
--cc=sean.j.christopherson@intel.com \
--cc=stable@vger.kernel.org \
--cc=weidong.huang@huawei.com \
--cc=weifuqiang@huawei.com \
--cc=willy@infradead.org \
/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.