** Tags added: kernel-daily-bug
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Title:
Kernel panic due to NULL ringbuffer vaddr dereference in i915
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This bug was fixed in the package linux - 5.4.0-42.46
---
linux (5.4.0-42.46) focal; urgency=medium
* focal/linux: 5.4.0-42.46 -proposed tracker (LP: #1887069)
* linux 4.15.0-109-generic network DoS regression vs -108 (LP: #1886668)
- SAUCE: Revert "netprio_cgroup: Fix unlimi
This bug was fixed in the package linux - 5.4.0-37.41
---
linux (5.4.0-37.41) focal; urgency=medium
* CVE-2020-0543
- SAUCE: x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2
- SAUCE: x86/cpu: Add a steppings field to struct x86_cpu_id
- SAUCE: x86/cpu: Ad
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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https://bugs.launchpad.net/bugs/1877394
Title:
Kernel panic due to NULL ringbuffer vaddr dereference i
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag 'verificati
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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Title:
Kernel panic due to NULL ringbuffer vaddr dereference in
** Changed in: linux (Ubuntu)
Status: Fix Committed => Invalid
** Changed in: linux (Ubuntu Focal)
Status: Fix Committed => In Progress
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https://bugs.launchpad.net/bugs/1877
** Description changed:
+ SRU Justification:
+
+ [Impact]
+ A sauce fix for a kernel panic in i915 that I frequently experienced was
fixed by upstream.
+
+ [Fix]
+ The sauce patch I made should be dropped in exchange for the proper upstream
fix.
+
+ [Test]
+ I tested the upstream fix and can
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1877394
Title:
Kernel panic due to NULL ringbuffer vaddr dereference in i915
To ma
** Changed in: linux (Ubuntu Focal)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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T
** Description changed:
This is what the crash looks like:
- BUG: unable to handle page fault for address: 3448
- RIP: 0010:gen8_emit_flush_render+0x163/0x190
- Call Trace:
- execlists_request_alloc+0x25/0x40
- __i915_request_create+0x1f4/0x2c0
- i915_reque
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