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From: Matt Fagnani <matt.fagnani@bell.net>
To: Vasant Hegde <vasant.hegde@amd.com>,
	Baolu Lu <baolu.lu@linux.intel.com>,
	Thorsten Leemhuis <regressions@leemhuis.info>
Cc: Joerg Roedel <jroedel@suse.de>,
	"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	LKML <linux-kernel@vger.kernel.org>,
	"regressions@lists.linux.dev" <regressions@lists.linux.dev>,
	Linux PCI <linux-pci@vger.kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [regression, bisected, pci/iommu] Bug 216865 - Black screen when amdgpu started during 6.2-rc1 boot with AMD IOMMU enabled
Date: Thu, 5 Jan 2023 14:51:06 -0500	[thread overview]
Message-ID: <9f8bab1d-5f60-c962-3789-1b5ed8767076@bell.net> (raw)
In-Reply-To: <6fff9d10-f77f-e55a-9020-8a1bd34cf508@amd.com>

I booted 6.2-rc2 + the patch four times with early kdump enabled and 
panicked the kernel. There weren't any kdump or dmesg files saved to 
/var/crash though. Nothing showed up in the journal from boots where the 
problem happened. The amdgpu crash happened before systemd-journald 
started from what I could tell. I tried to rebuild 
/boot/initramfs-6.2.0-rc2+kdump.img with amd_iommu=off added to the 
kernel command line with dracut, but an error that the kdumpbase module 
couldn't be found was shown. I read that a different dump capture kernel 
could be used with kdump, but I haven't figured out how to use that with 
early kdump yet. If anyone has ideas how to get the kdump and dmesg log, 
let me know. Thanks.


  parent reply	other threads:[~2023-01-05 19:51 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-30  8:18 [regression, bisected, pci/iommu] Bug 216865 - Black screen when amdgpu started during 6.2-rc1 boot with AMD IOMMU enabled Thorsten Leemhuis
2023-01-03 10:30 ` Joerg Roedel
2023-01-03 19:06 ` Matt Fagnani
     [not found] ` <5aa0e698-f715-0481-36e5-46505024ebc1@bell.net>
2023-01-04  6:54   ` Baolu Lu
2023-01-04 15:50     ` Vasant Hegde
2023-01-05  1:09       ` Matt Fagnani
2023-01-05 10:27         ` Vasant Hegde
2023-01-05 10:37           ` Baolu Lu
2023-01-05 10:46             ` Vasant Hegde
2023-01-05 14:46               ` Deucher, Alexander
2023-01-05 15:27                 ` Felix Kuehling
2023-01-06  5:48                   ` Baolu Lu
2023-02-15 15:39                     ` Bjorn Helgaas
2023-02-15 15:39                       ` Bjorn Helgaas
2023-02-16  0:35                       ` Felix Kuehling
2023-02-16  0:35                         ` Felix Kuehling
2023-02-16  0:44                         ` Jason Gunthorpe
2023-02-16  0:44                           ` Jason Gunthorpe
2023-02-16  5:37                           ` Vasant Hegde
2023-02-16  5:37                             ` Vasant Hegde
2023-02-16 14:55                             ` Felix Kuehling
2023-02-16 14:55                               ` Felix Kuehling
2023-02-16 14:53                           ` Felix Kuehling
2023-02-16 14:53                             ` Felix Kuehling
2023-02-16  5:25                         ` Vasant Hegde
2023-02-16  5:25                           ` Vasant Hegde
2023-02-16 18:59                           ` Matt Fagnani
2023-02-16 18:59                             ` Matt Fagnani
2023-02-16 19:59                             ` Felix Kuehling
2023-02-16 19:59                               ` Felix Kuehling
2023-02-17  5:36                               ` Vasant Hegde
2023-02-17  5:36                                 ` Vasant Hegde
2023-02-17  5:23                             ` Vasant Hegde
2023-02-17  5:23                               ` Vasant Hegde
2023-01-05 19:51           ` Matt Fagnani [this message]
2023-01-06  7:28           ` Matt Fagnani
2023-01-10 16:08             ` Vasant Hegde
2023-01-10 16:12               ` Vasant Hegde
2023-01-06 14:14           ` Jason Gunthorpe
2023-01-07  2:44             ` Baolu Lu
2023-01-09 13:43               ` Jason Gunthorpe
2023-01-10  5:28                 ` Baolu Lu
2023-01-10  5:48             ` Baolu Lu
2023-01-10  8:06               ` Matt Fagnani
     [not found]                 ` <bb3d5d1a-c222-9270-60fa-7d0b74bebd1a@linux.intel.com>
2023-01-10 22:12                   ` Matt Fagnani
2023-01-10 22:12                     ` Matt Fagnani
2023-01-10 13:25               ` Jason Gunthorpe
2023-01-10 13:25                 ` Jason Gunthorpe
2023-01-10 13:45                 ` Christian König
2023-01-10 13:45                   ` Christian König
2023-01-10 13:51                   ` Jason Gunthorpe
2023-01-10 13:51                     ` Jason Gunthorpe
2023-01-10 13:56                     ` Christian König
2023-01-10 13:56                       ` Christian König
2023-01-10 20:51                       ` Matt Fagnani
2023-01-10 20:51                         ` Matt Fagnani
2023-01-11  8:35                         ` Christian König
2023-01-11  8:35                           ` Christian König
2023-01-10 15:05                   ` Felix Kuehling
2023-01-10 15:05                     ` Felix Kuehling
2023-01-10 15:19                     ` Jason Gunthorpe
2023-01-10 15:19                       ` Jason Gunthorpe
2023-01-10 15:21                       ` Felix Kuehling
2023-01-10 15:21                         ` Felix Kuehling
2023-01-11  3:16                 ` Baolu Lu
2023-01-11  3:16                   ` Baolu Lu
2023-01-11 13:08                   ` Jason Gunthorpe
2023-01-11 13:08                     ` Jason Gunthorpe

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