[Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0
https://bugzilla.kernel.org/show_bug.cgi?id=215803 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added Status|RESOLVED|CLOSED --- Comment #6 from Michael Ellerman (mich...@ellerman.id.au) --- The fix was merged into v5.18-rc2 as: https://git.kernel.org/torvalds/c/0f525289ff0ddeb380813bd81e0f9bdaaa1c9078 -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
[Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0
https://bugzilla.kernel.org/show_bug.cgi?id=215803 Michael Ellerman (mich...@ellerman.id.au) changed: What|Removed |Added Status|NEW |RESOLVED CC||mich...@ellerman.id.au Resolution|--- |CODE_FIX --- Comment #5 from Michael Ellerman (mich...@ellerman.id.au) --- This was reported to the patch author here: https://lore.kernel.org/all/YkHXO6LGHAN0p1pq@debian/ And there is a fix here: https://patchwork.freedesktop.org/patch/480648/ -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
[Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0
https://bugzilla.kernel.org/show_bug.cgi?id=215803 --- Comment #4 from Daniel Kolesa (li...@octaforge.org) --- Also, just to be clear, reverting the commit I linked above does fix the problem for me. Here is a patch you can quickly test: https://gist.github.com/q66/da01b4baecfdc24cd8fa3253d4e7f05a -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
[Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0
https://bugzilla.kernel.org/show_bug.cgi?id=215803 --- Comment #3 from Daniel Kolesa (li...@octaforge.org) --- It does not panic in my case though; I merely get stuck with the offb framebuffer console instead of it switching modes to the right thing -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
[Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0
https://bugzilla.kernel.org/show_bug.cgi?id=215803 Daniel Kolesa (li...@octaforge.org) changed: What|Removed |Added CC||li...@octaforge.org --- Comment #2 from Daniel Kolesa (li...@octaforge.org) --- This now hits 5.15.33. I noticed this when virtio-gpu failed to come up. Commit: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/video/fbdev/core?h=linux-5.15.y=c894ac44786cfed383a6c6b20c1bfb12eb96018a More detailed backtrace: https://gist.github.com/q66/6ffc1bd18cf241e6ad894dc4409a2f72 This is also on a ppc64le system. However, I think this bug may not be ppc64 specific... -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
[Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0
https://bugzilla.kernel.org/show_bug.cgi?id=215803 --- Comment #1 from Zorro Lang (zl...@redhat.com) --- Created attachment 300697 --> https://bugzilla.kernel.org/attachment.cgi?id=300697=edit kernel .config file -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
