From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 201753] AMD-Vi: Unable to write to IOMMU perf counter
Date: Thu, 18 Mar 2021 08:41:53 +0000 [thread overview]
Message-ID: <bug-201753-28872-GXZFJJMpYx@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-201753-28872@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=201753
Felice Tufo (info@felicetufo.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |info@felicetufo.com
--- Comment #27 from Felice Tufo (info@felicetufo.com) ---
Good morning,
I'm using the latest 5.11.7 kernel on an Aura15 Tuxedo notebook (based on Amd
Ryzen 4700U). As far as I can tell, the patch was merged on 5.11.7, but at
startup (cold boot) I read:
[ 1.888186] pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf
counter.
[ 1.888454] pci 0000:00:00.2: can't derive routing for PCI INT A
[ 1.888457] pci 0000:00:00.2: PCI INT A: not connected
[ 1.888510] pci 0000:00:01.0: Adding to iommu group 0
[ 1.888537] pci 0000:00:01.3: Adding to iommu group 1
[ 1.888565] pci 0000:00:02.0: Adding to iommu group 2
[ 1.888583] pci 0000:00:02.1: Adding to iommu group 3
[ 1.888600] pci 0000:00:02.2: Adding to iommu group 4
[ 1.888616] pci 0000:00:02.4: Adding to iommu group 5
[ 1.888644] pci 0000:00:08.0: Adding to iommu group 6
[ 1.888663] pci 0000:00:08.1: Adding to iommu group 6
[ 1.888689] pci 0000:00:14.0: Adding to iommu group 7
[ 1.888707] pci 0000:00:14.3: Adding to iommu group 7
[ 1.888764] pci 0000:00:18.0: Adding to iommu group 8
[ 1.888779] pci 0000:00:18.1: Adding to iommu group 8
[ 1.888795] pci 0000:00:18.2: Adding to iommu group 8
[ 1.888810] pci 0000:00:18.3: Adding to iommu group 8
[ 1.888825] pci 0000:00:18.4: Adding to iommu group 8
[ 1.888840] pci 0000:00:18.5: Adding to iommu group 8
[ 1.888855] pci 0000:00:18.6: Adding to iommu group 8
[ 1.888869] pci 0000:00:18.7: Adding to iommu group 8
[ 1.888886] pci 0000:01:00.0: Adding to iommu group 9
[ 1.888906] pci 0000:02:00.0: Adding to iommu group 10
[ 1.888923] pci 0000:03:00.0: Adding to iommu group 11
[ 1.888940] pci 0000:04:00.0: Adding to iommu group 12
[ 1.888959] pci 0000:05:00.0: Adding to iommu group 6
[ 1.888968] pci 0000:05:00.1: Adding to iommu group 6
[ 1.888977] pci 0000:05:00.2: Adding to iommu group 6
[ 1.888985] pci 0000:05:00.3: Adding to iommu group 6
[ 1.888993] pci 0000:05:00.4: Adding to iommu group 6
[ 1.889000] pci 0000:05:00.5: Adding to iommu group 6
[ 1.889008] pci 0000:05:00.6: Adding to iommu group 6
[ 1.891539] pci 0000:00:00.2: AMD-Vi: Found IOMMU cap 0x40
[ 1.891545] pci 0000:00:00.2: AMD-Vi: Extended features
(0x206d73ef22254ade):
[ 1.891547] PPR X2APIC NX GT IA GA PC GA_vAPIC
[ 1.891552] AMD-Vi: Interrupt remapping enabled
[ 1.891552] AMD-Vi: Virtual APIC enabled
[ 1.891553] AMD-Vi: X2APIC enabled
[ 1.891781] AMD-Vi: Lazy IO/TLB flushing enabled
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next prev parent reply other threads:[~2021-03-18 8:43 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-201753-28872@https.bugzilla.kernel.org/>
2020-03-27 20:58 ` [Bug 201753] AMD-Vi: Unable to write to IOMMU perf counter bugzilla-daemon
2020-03-27 21:06 ` bugzilla-daemon
2021-02-02 1:33 ` bugzilla-daemon
2021-02-06 3:42 ` bugzilla-daemon
2021-02-06 4:01 ` bugzilla-daemon
2021-02-10 19:52 ` bugzilla-daemon
2021-02-10 19:54 ` bugzilla-daemon
2021-02-11 18:03 ` bugzilla-daemon
2021-02-24 20:32 ` bugzilla-daemon
2021-02-25 17:54 ` bugzilla-daemon
2021-02-26 11:58 ` bugzilla-daemon
2021-02-26 13:28 ` bugzilla-daemon
2021-02-26 21:17 ` bugzilla-daemon
2021-02-27 15:21 ` bugzilla-daemon
2021-02-28 20:04 ` bugzilla-daemon
2021-03-03 18:24 ` bugzilla-daemon
2021-03-05 10:26 ` bugzilla-daemon
2021-03-08 10:46 ` bugzilla-daemon
2021-03-15 22:00 ` bugzilla-daemon
2021-03-16 11:14 ` bugzilla-daemon
2021-03-17 10:32 ` bugzilla-daemon
2021-03-18 1:22 ` bugzilla-daemon
2021-03-18 8:41 ` bugzilla-daemon [this message]
2021-03-18 16:41 ` bugzilla-daemon
2021-03-19 9:13 ` bugzilla-daemon
2021-03-19 9:56 ` bugzilla-daemon
2021-03-19 16:37 ` bugzilla-daemon
2021-03-19 20:43 ` bugzilla-daemon
2021-03-25 21:51 ` bugzilla-daemon
2021-08-26 8:42 ` bugzilla-daemon
2021-08-26 8:43 ` bugzilla-daemon
2021-10-01 19:54 ` bugzilla-daemon
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