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From: Zenghui Yu <yuzenghui@huawei.com>
To: Auger Eric <eric.auger@redhat.com>
Cc: Ricardo Koller <ricarkol@google.com>,
	Marc Zyngier <maz@kernel.org>, <kvm@vger.kernel.org>,
	<kvmarm@lists.cs.columbia.edu>, <pbonzini@redhat.com>,
	<drjones@redhat.com>, <alexandru.elisei@arm.com>
Subject: Re: [PATCH v2 4/5] KVM: selftests: Add exception handling support for aarch64
Date: Wed, 12 May 2021 20:59:59 +0800	[thread overview]
Message-ID: <4f7f81f9-8da0-b4ef-49e2-7d87b5c23b15@huawei.com> (raw)
In-Reply-To: <20915a2f-d07c-2e61-3cce-ff385e98e796@redhat.com>

Hi Eric,

On 2021/5/6 20:30, Auger Eric wrote:
> running the test on 5.12 I get
> 
> ==== Test Assertion Failure ====
>   aarch64/debug-exceptions.c:232: false
>   pid=6477 tid=6477 errno=4 - Interrupted system call
>      1	0x000000000040147b: main at debug-exceptions.c:230
>      2	0x000003ff8aa60de3: ?? ??:0
>      3	0x0000000000401517: _start at :?
>   Failed guest assert: hw_bp_addr == PC(hw_bp) at
> aarch64/debug-exceptions.c:105
> 	values: 0, 0x401794

FYI I can also reproduce it on my VHE box. And Drew's suggestion [*]
seemed to work for me. Is the ISB a requirement of architecture?

[*] https://lore.kernel.org/kvm/20210503124925.wxdcyzharpyzeu4v@gator.home/


Thanks,
Zenghui

  parent reply	other threads:[~2021-05-12 13:00 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-30 23:24 [PATCH v2 0/5] KVM: selftests: arm64 exception handling and debug test Ricardo Koller
2021-04-30 23:24 ` [PATCH v2 1/5] KVM: selftests: Rename vm_handle_exception Ricardo Koller
2021-05-03 11:02   ` Andrew Jones
2021-05-06 12:27   ` Auger Eric
2021-04-30 23:24 ` [PATCH v2 2/5] KVM: selftests: Introduce UCALL_UNHANDLED for unhandled vector reporting Ricardo Koller
2021-05-03 11:09   ` Andrew Jones
2021-05-06 12:27     ` Auger Eric
2021-04-30 23:24 ` [PATCH v2 3/5] KVM: selftests: Move GUEST_ASSERT_EQ to utils header Ricardo Koller
2021-05-03 11:31   ` Andrew Jones
2021-04-30 23:24 ` [PATCH v2 4/5] KVM: selftests: Add exception handling support for aarch64 Ricardo Koller
2021-05-03 10:32   ` Marc Zyngier
2021-05-03 19:12     ` Ricardo Koller
2021-05-06 12:30       ` Auger Eric
2021-05-06 19:14         ` Ricardo Koller
2021-05-07 14:08           ` Auger Eric
2021-05-07 17:54             ` Ricardo Koller
2021-05-12  7:27             ` Ricardo Koller
2021-05-12  8:19               ` Auger Eric
2021-05-12  8:33                 ` Marc Zyngier
2021-05-12  8:52                   ` Auger Eric
2021-05-12 16:06                     ` Ricardo Koller
2021-05-12 12:59         ` Zenghui Yu [this message]
2021-05-12 13:43           ` Marc Zyngier
2021-05-12 16:03             ` Ricardo Koller
2021-05-12 16:18               ` Marc Zyngier
2021-05-12 21:39                 ` Ricardo Koller
2021-05-07 14:31       ` Marc Zyngier
2021-05-07 18:02         ` Ricardo Koller
2021-05-03 12:39   ` Andrew Jones
2021-04-30 23:24 ` [PATCH v2 5/5] KVM: selftests: Add aarch64/debug-exceptions test Ricardo Koller
2021-05-03 12:49   ` Andrew Jones
2021-05-24 12:14 ` [PATCH v2 0/5] KVM: selftests: arm64 exception handling and debug test Paolo Bonzini
2021-05-24 12:59   ` Marc Zyngier

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