> > Just got this on bootup of my Sun T2000:
> >...
> > I have not seen it before, this includes 4.6.0 4.6.0-08907-g7639dad
> > 4.7.0-rc1-00094-g6b15d66 4.7.0-rc4-00014-g67016f6.
> >
> > It is not reproducible, did not appear on next reboot of the same
> > kernel.
>
> mine T5120 boots ok 4.7.0-rc6, rootfs being on ext4 .
My T5120 and many other sparc64 machines also boot fine, most of them
using ext4, others ext3 with ext4 driver.
However, I also got a very similar oops from T1000:
[ 55.251101] Unable to handle kernel paging request at virtual address 00000000fe42a000
[ 55.251348] tsk->{mm,active_mm}->context = 0000000000000083
[ 55.251533] tsk->{mm,active_mm}->pgd = ffff8001f6224000
[ 55.251719] \|/ ____ \|/
"@'/ .. \`@"
/_| \__/ |_\
\__U_/
[ 55.252038] systemd-udevd(268): Oops [#1]
[ 55.252274] CPU: 9 PID: 268 Comm: systemd-udevd Not tainted 4.7.0-rc6 #26
[ 55.252367] task: ffff8001f6064380 ti: ffff8001f620c000 task.ti: ffff8001f620c000
[ 55.252497] TSTATE: 0000000811001604 TPC: 0000000000649380 TNPC: 0000000000649384 Y: 00000000 Not tainted
[ 55.252651] TPC: <__radix_tree_lookup+0x60/0x1a0>
[ 55.252783] g0: ffff8001fd6f7f00 g1: 00000000fe42b231 g2: 0000000000000001 g3: 00000000e0019bb0
[ 55.252791] g4: ffff8001f6064380 g5: ffff8001fefe4000 g6: ffff8001f620c000 g7: 0000000000000000
[ 55.252798] o0: ffff8001fe3f1940 o1: 0000000000000295 o2: 000000000000028d o3: 0000000000000010
[ 55.252815] o4: 0000000000000000 o5: 0000000000000040 sp: ffff8001f620f0d1 ret_pc: ffff8001fe35d488
[ 55.252822] RPC: <0xffff8001fe35d488>
[ 55.252830] l0: 0000000000000329 l1: 0000000000000008 l2: ffff8001fe3f1948 l3: ffff8001f620fa40
[ 55.252837] l4: 0000000000906b60 l5: 0000000000001300 l6: 0000000003ffffff l7: 0000000000000008
[ 55.252844] i0: ffff8001fe3f1948 i1: 0000000000000295 i2: 0000000000000000 i3: 0000000000000000
[ 55.252852] i4: 00000000fe42b230 i5: 000000000000000a i6: ffff8001f620f181 i7: 00000000004ecbcc
[ 55.252871] I7: <__do_page_cache_readahead+0x6c/0x280>
[ 55.252875] Call Trace:
[ 55.252890] [00000000004ecbcc] __do_page_cache_readahead+0x6c/0x280
[ 55.252912] [00000000004e0be0] filemap_fault+0x2a0/0x540
[ 55.252925] [00000000005bb95c] ext4_filemap_fault+0x1c/0x40
[ 55.252937] [00000000005057d8] __do_fault+0x58/0x100
[ 55.252948] [000000000050a638] handle_mm_fault+0xc58/0x1300
[ 55.252969] [000000000044d7d8] do_sparc64_fault+0x4d8/0x7c0
[ 55.252982] [0000000000407bf0] sparc64_realfault_common+0x10/0x20
[ 55.252987] Disabling lock debugging due to kernel taint
[ 55.253002] Caller[00000000004ecbcc]: __do_page_cache_readahead+0x6c/0x280
[ 55.253018] Caller[00000000004e0be0]: filemap_fault+0x2a0/0x540
[ 55.253029] Caller[00000000005bb95c]: ext4_filemap_fault+0x1c/0x40
[ 55.253039] Caller[00000000005057d8]: __do_fault+0x58/0x100
[ 55.253049] Caller[000000000050a638]: handle_mm_fault+0xc58/0x1300
[ 55.253063] Caller[000000000044d7d8]: do_sparc64_fault+0x4d8/0x7c0
[ 55.253073] Caller[0000000000407bf0]: sparc64_realfault_common+0x10/0x20
[ 55.253089] Caller[0000000070038494]: 0x70038494
[ 55.253117] Instruction DUMP: 80a06001 0267ffec b8087ffe <fa0f0000> 9e10001c bb36501d ba0f603f 83376000 82006004
--
Meelis Roos (mroos@xxxxxxxx)
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