https://bugzilla.kernel.org/show_bug.cgi?id=207129
--- Comment #2 from Erhard F. (erhar...@mailbox.org) --- Created attachment 288229 --> https://bugzilla.kernel.org/attachment.cgi?id=288229&action=edit screenshot01.jpg Without CONFIG_DEBUG_STACKOVERFLOW things are better. The rsync completes, the G4 was building stuff for 2 hours or so until I got these errors and a hard freeze: [...] Oops: kernel stack overflow, sig: 11 [#1] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=2 PowerMac Modules linked in: ... CPU: 1 PID: 17105 Comm: kworker/u4:5 Tainted: G W 5.6.2-PowerMacG4+ #5 ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#2] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=2 PowerMac Modules linked in: ... CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 6336, size 4)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#3] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=2 PowerMac Modules linked in: ... CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 5336, size 4)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#4] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=2 PowerMac Modules linked in: ... CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 4336, size 4)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#5] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=2 PowerMac Modules linked in: ... Unrecoverable FP Unavailable Exception 801 at 9b8 CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 3336, size 4)! ------------[ cut here ]------------ Now running with CONFIG_THREAD_SHIFT=14 which runs fine so far... Did not try without CONFIG_VMAP_STACK yet. -- You are receiving this mail because: You are watching the assignee of the bug.