On Fri, May 12, 2023 at 02:03:42PM +0300, Maxim Kochetkov wrote: > When using DMA mode we are facing with Oops: > [ 396.458157] Unable to handle kernel access to user memory without uaccess routines at virtual address 000000000000000c > [ 396.469374] Oops [#1] Please think hard before including complete backtraces in upstream reports, they are very large and contain almost no useful information relative to their size so often obscure the relevant content in your message. If part of the backtrace is usefully illustrative (it often is for search engines if nothing else) then it's usually better to pull out the relevant sections.
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