* Loongson64 and huge pages
@ 2021-12-07 16:26 Thomas Bogendoerfer
2021-12-08 1:56 ` Huacai Chen
0 siblings, 1 reply; 3+ messages in thread
From: Thomas Bogendoerfer @ 2021-12-07 16:26 UTC (permalink / raw)
To: linux-mips
Hi,
[ 11.647401] CPU 3 Unable to handle kernel paging request at virtual address 0000000558005801, epc == ffffffff80232838, ra == ffffffff802327ac
[ 11.660049] Oops[#1]:
[ 11.662303] CPU: 3 PID: 348 Comm: libvirtd Not tainted 5.16.0-rc3+ #140
[ 11.668877] Hardware name: Lemote LEMOTE-LS3A4000-7A1000-1w-V0.1-pc/LEMOTE-LS3A4000-7A1000-1w-V01-pc, BIOS Kunlun-A1901-V4.1.4 04/20/2020
[ 11.681153] $ 0 : 0000000000000000 000000007400cce0 000000000000033f 0000000558001811
[ 11.689119] $ 4 : 0000000000800000 0000000558005801 0000000000000000 980000013507c000
[ 11.697081] $ 8 : 0000000000000078 0000000000800000 ffffffffffffffff 9800000004714210
[ 11.705043] $12 : 9800000134fe7cb8 ffffffffffffff7f 9800000004714200 0000000000000040
[ 11.713005] $16 : 980000014ebbcfc0 000000007400cce1 000000ffabffc000 ffffffff81258700
[ 11.720966] $20 : 980000012137f464 980000012137f400 980000013507fea8 980000047cc60000
[ 11.728928] $24 : 0000000000000003 000000ffa3c08fa0
[ 11.736890] $28 : 9800000134fe4000 9800000134fe7c90 980000012137f468 ffffffff802327ac
[ 11.744853] Hi : 00000000000001c8
[ 11.748399] Lo : ffffffffc6da0e44
[ 11.751947] epc : ffffffff80232838 __update_tlb+0xf0/0x258
[ 11.757578] ra : ffffffff802327ac __update_tlb+0x64/0x258
[ 11.763202] Status: 7400cce2 KX SX UX KERNEL EXL
[ 11.767883] Cause : 10000008 (ExcCode 02)
[ 11.771862] BadVA : 0000000558005801
[ 11.775408] PrId : 0014c001 (ICT Loongson-3)
[ 11.779733] Modules linked in:
[ 11.782764] Process libvirtd (pid: 348, threadinfo=00000000a73c3d49, task=00000000728cbb42, tls=000000fff0ced7d0)
[ 11.792968] Stack : 980000047cbed700 980000014ebbcfc0 000000ffaa000000 9800000134fe7d40
[ 11.800933] 0000000558001811 ffffffff804a26f8 0000000000000000 584fe00ab628d7e1
[ 11.808894] 0000000000000207 980000013507fea8 ffffffff814f4000 980000014ebbcfc0
[ 11.816856] ffffffff81260000 0000000000000254 000000007400cce1 0000000000000001
[ 11.824818] ffffffff813f6860 ffffffff8044e260 000000aaadae8000 980000012137f400
[ 11.832779] 000000000000000b 0000000000100077 980000014ebbcfc0 0000000000000cc0
[ 11.840742] 0000000003feafff 000000ffabffc000 0000000000000254 980000013507fea8
[ 11.848704] 98000001350f0078 0000000000000000 0000000000000000 0000000000000000
[ 11.856667] 0000000000000000 980000012137f464 0000000000000000 584fe00ab628d7e1
[ 11.864629] 9800000134fe7e08 980000014ebbcfc0 0000000000000254 000000ffabffc030
[ 11.872590] ...
[ 11.875017] Call Trace:
[ 11.877440] [<ffffffff80232838>] __update_tlb+0xf0/0x258
[ 11.882722] [<ffffffff804a26f8>] do_huge_pmd_anonymous_page+0x3c8/0x808
[ 11.889300] [<ffffffff8044e260>] __handle_mm_fault+0xbc0/0xf38
[ 11.895099] [<ffffffff8044e7ec>] handle_mm_fault+0x214/0x2c8
[ 11.900722] [<ffffffff80f24638>] do_page_fault+0x218/0x6a0
[ 11.906176] [<ffffffff8022ae64>] tlb_do_page_fault_0+0x114/0x11c
[ 11.912149]
[ 11.913622] Code: 0067182d dc630000 00a3282d <dca30000> 10800006 00033a3a 2408ffff 00031e3c 000847bc
[ 11.923325]
[ 11.924837] ---[ end trace bc99cfb1af49f825 ]---
[ 11.929428] note: libvirtd[348] exited with preempt_count 1
is this a known issue ? If I disabled TRANSPARENT_HUGE_PAGE system
works.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Loongson64 and huge pages
2021-12-07 16:26 Loongson64 and huge pages Thomas Bogendoerfer
@ 2021-12-08 1:56 ` Huacai Chen
2021-12-08 11:50 ` Thomas Bogendoerfer
0 siblings, 1 reply; 3+ messages in thread
From: Huacai Chen @ 2021-12-08 1:56 UTC (permalink / raw)
To: Thomas Bogendoerfer; +Cc: open list:MIPS
Hi, Thomas,
On Wed, Dec 8, 2021 at 8:59 AM Thomas Bogendoerfer
<tsbogend@alpha.franken.de> wrote:
>
> Hi,
>
> [ 11.647401] CPU 3 Unable to handle kernel paging request at virtual address 0000000558005801, epc == ffffffff80232838, ra == ffffffff802327ac
> [ 11.660049] Oops[#1]:
> [ 11.662303] CPU: 3 PID: 348 Comm: libvirtd Not tainted 5.16.0-rc3+ #140
> [ 11.668877] Hardware name: Lemote LEMOTE-LS3A4000-7A1000-1w-V0.1-pc/LEMOTE-LS3A4000-7A1000-1w-V01-pc, BIOS Kunlun-A1901-V4.1.4 04/20/2020
> [ 11.681153] $ 0 : 0000000000000000 000000007400cce0 000000000000033f 0000000558001811
> [ 11.689119] $ 4 : 0000000000800000 0000000558005801 0000000000000000 980000013507c000
> [ 11.697081] $ 8 : 0000000000000078 0000000000800000 ffffffffffffffff 9800000004714210
> [ 11.705043] $12 : 9800000134fe7cb8 ffffffffffffff7f 9800000004714200 0000000000000040
> [ 11.713005] $16 : 980000014ebbcfc0 000000007400cce1 000000ffabffc000 ffffffff81258700
> [ 11.720966] $20 : 980000012137f464 980000012137f400 980000013507fea8 980000047cc60000
> [ 11.728928] $24 : 0000000000000003 000000ffa3c08fa0
> [ 11.736890] $28 : 9800000134fe4000 9800000134fe7c90 980000012137f468 ffffffff802327ac
> [ 11.744853] Hi : 00000000000001c8
> [ 11.748399] Lo : ffffffffc6da0e44
> [ 11.751947] epc : ffffffff80232838 __update_tlb+0xf0/0x258
> [ 11.757578] ra : ffffffff802327ac __update_tlb+0x64/0x258
> [ 11.763202] Status: 7400cce2 KX SX UX KERNEL EXL
> [ 11.767883] Cause : 10000008 (ExcCode 02)
> [ 11.771862] BadVA : 0000000558005801
> [ 11.775408] PrId : 0014c001 (ICT Loongson-3)
> [ 11.779733] Modules linked in:
> [ 11.782764] Process libvirtd (pid: 348, threadinfo=00000000a73c3d49, task=00000000728cbb42, tls=000000fff0ced7d0)
> [ 11.792968] Stack : 980000047cbed700 980000014ebbcfc0 000000ffaa000000 9800000134fe7d40
> [ 11.800933] 0000000558001811 ffffffff804a26f8 0000000000000000 584fe00ab628d7e1
> [ 11.808894] 0000000000000207 980000013507fea8 ffffffff814f4000 980000014ebbcfc0
> [ 11.816856] ffffffff81260000 0000000000000254 000000007400cce1 0000000000000001
> [ 11.824818] ffffffff813f6860 ffffffff8044e260 000000aaadae8000 980000012137f400
> [ 11.832779] 000000000000000b 0000000000100077 980000014ebbcfc0 0000000000000cc0
> [ 11.840742] 0000000003feafff 000000ffabffc000 0000000000000254 980000013507fea8
> [ 11.848704] 98000001350f0078 0000000000000000 0000000000000000 0000000000000000
> [ 11.856667] 0000000000000000 980000012137f464 0000000000000000 584fe00ab628d7e1
> [ 11.864629] 9800000134fe7e08 980000014ebbcfc0 0000000000000254 000000ffabffc030
> [ 11.872590] ...
> [ 11.875017] Call Trace:
> [ 11.877440] [<ffffffff80232838>] __update_tlb+0xf0/0x258
> [ 11.882722] [<ffffffff804a26f8>] do_huge_pmd_anonymous_page+0x3c8/0x808
> [ 11.889300] [<ffffffff8044e260>] __handle_mm_fault+0xbc0/0xf38
> [ 11.895099] [<ffffffff8044e7ec>] handle_mm_fault+0x214/0x2c8
> [ 11.900722] [<ffffffff80f24638>] do_page_fault+0x218/0x6a0
> [ 11.906176] [<ffffffff8022ae64>] tlb_do_page_fault_0+0x114/0x11c
> [ 11.912149]
> [ 11.913622] Code: 0067182d dc630000 00a3282d <dca30000> 10800006 00033a3a 2408ffff 00031e3c 000847bc
> [ 11.923325]
> [ 11.924837] ---[ end trace bc99cfb1af49f825 ]---
> [ 11.929428] note: libvirtd[348] exited with preempt_count 1
>
> is this a known issue ? If I disabled TRANSPARENT_HUGE_PAGE system
> works.
Have you tried some older kernels, such as 5.10/5.15? I have seen that
some MM-related patches be merged in MIPS tree in recent releases, and
maybe this bug is caused by them.
Huacai
>
> Thomas.
>
> --
> Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
> good idea. [ RFC1925, 2.3 ]
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Loongson64 and huge pages
2021-12-08 1:56 ` Huacai Chen
@ 2021-12-08 11:50 ` Thomas Bogendoerfer
0 siblings, 0 replies; 3+ messages in thread
From: Thomas Bogendoerfer @ 2021-12-08 11:50 UTC (permalink / raw)
To: Huacai Chen; +Cc: open list:MIPS
On Wed, Dec 08, 2021 at 09:56:50AM +0800, Huacai Chen wrote:
> Hi, Thomas,
>
> On Wed, Dec 8, 2021 at 8:59 AM Thomas Bogendoerfer
> <tsbogend@alpha.franken.de> wrote:
> >
> > Hi,
> >
> > [ 11.647401] CPU 3 Unable to handle kernel paging request at virtual address 0000000558005801, epc == ffffffff80232838, ra == ffffffff802327ac
> > [ 11.660049] Oops[#1]:
> > [ 11.662303] CPU: 3 PID: 348 Comm: libvirtd Not tainted 5.16.0-rc3+ #140
> > [ 11.668877] Hardware name: Lemote LEMOTE-LS3A4000-7A1000-1w-V0.1-pc/LEMOTE-LS3A4000-7A1000-1w-V01-pc, BIOS Kunlun-A1901-V4.1.4 04/20/2020
> > [ 11.929428] note: libvirtd[348] exited with preempt_count 1
> [..]
> >
> > is this a known issue ? If I disabled TRANSPARENT_HUGE_PAGE system
> > works.
> Have you tried some older kernels, such as 5.10/5.15? I have seen that
> some MM-related patches be merged in MIPS tree in recent releases, and
> maybe this bug is caused by them.
not yet, as it has worked, I'm going to bisect it.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-12-08 13:05 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-12-07 16:26 Loongson64 and huge pages Thomas Bogendoerfer
2021-12-08 1:56 ` Huacai Chen
2021-12-08 11:50 ` Thomas Bogendoerfer
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