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Date: Wed, 11 Mar 2020 17:21:18 +0000 From: "Artem S. Tashkinov" <aros@....com> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Christoph Hellwig <hch@....de>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, iommu <iommu@...ts.linux-foundation.org> Subject: Re: [Bug 206175] Fedora >= 5.4 kernels instantly freeze on boot without producing any display output On 3/11/20 4:21 PM, Linus Torvalds wrote: > On Wed, Mar 11, 2020 at 9:02 AM Artem S. Tashkinov <aros@....com> wrote: >> >> With this patch the system works (I haven't created an initrd, so it >> doesn't completely boot and panics on not being able to mount root fs >> but that's expected). > > Perfect. > > I ended up applying my earlier cleanup patch with just the added > removal of the kfree(), which was the actual trigger of the bug. > > It's commit e423fb6929d4 ("driver code: clarify and fix platform > device DMA mask allocation") in my tree. I've not pushed it out yet (I > have a few pending pull requests), but it should be out shortly. I've been able to compile and run e3a36eb6dfaeea8175c05d5915dcf0b939be6dab successfully. I won't claim this patch doesn't break something for other people :-) Best regards, Artem
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