On 6/25/19 09:26, Frank Scheiner wrote:
On 6/25/19 08:59, Christoph Hellwig wrote:On Tue, Jun 25, 2019 at 08:54:11AM +0200, John Paul Adrian Glaubitz wrote:Okay, thanks. I'll whip up a patch for Frank to test.The one below should do it, but from looking at the ia64 zone initialization I'm not sure this will be the culprit. diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 2c2772e9702a..3e802f4580b3 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -82,9 +82,7 @@ static gfp_t __dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask, */ if (*phys_mask <= DMA_BIT_MASK(ARCH_ZONE_DMA_BITS)) return GFP_DMA; - if (*phys_mask <= DMA_BIT_MASK(32)) - return GFP_DMA32; - return 0; + return GFP_DMA32; } static bool dma_coherent_ok(struct device *dev, phys_addr_t phys, size_t size)Ok, will apply that to the most recent non-rc kernel source and give it a try. Should take about 45 mins or so.
Looks like this patch is not enough or not related, a kernel v5.1.15
with that patch applied yields the following:
```
Linux version 5.1.15-dirty (root@rx2800-i2) (gcc version 7.3.0 (Gentoo
7.3.0-r3 p1.4)) #1 SMP Tue Jun 25 09:59:06 CEST 2019
EFI v2.10 by HP:
efi: SALsystab=0xdfdd63a18 ACPI 2.0=0x3d3c4014 HCDP=0xdffff8798
SMBIOS=0x3d368000
booting generic kernel on platform dig
PCDP: v3 at 0xdffff8798
earlycon: uart8250 at I/O port 0x4000 (options '115200n8')
printk: bootconsole [uart8250] enabled
ACPI: Early table checksum verification disabled
ACPI: RSDP 0x000000003D3C4014 000024 (v02 HP )
ACPI: XSDT 0x000000003D3C4580 000124 (v01 HP RX2800-2 00000001
01000013)
[...]
Trying to unpack rootfs image as initramfs...
[...]
Detecting Adaptec I2O RAID controllers...
ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 6 ports 3 Gbps 0x3f impl SATA
mode
ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pio slum part ccc ems
Unable to handle kernel NULL pointer dereference (address 0000000000001688)
swapper/0[1]: Oops 11012296146944 [1]
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.1.15-dirty #1
Hardware name: hp Integrity rx2800 i2, BIOS 01.93 09/12/2012
psr : 00001210084a6010 ifs : 8000000000001734 ip : [<a00000010017b901>]
Not tainted (5.1.15-dirty)
ip is at __alloc_pages_nodemask+0x281/0x17a0
unat: 0000000000000000 pfs : 0000000000001734 rsc : 0000000000000003
rnat: 00000003d8598c41 bsps: 000000000001003e pr : 0000000000011269
ldrs: 0000000000000000 ccv : 000000038d5f0ad4 fpsr: 0009804c8a70433f
csd : 0000000000000000 ssd : 0000000000000000
b0 : a00000010017b8c0 b6 : a00000010003a740 b7 : a0000001007fe990
f6 : 1003e0000000000000000 f7 : 1000fb27f800000000000
f8 : 1003e0000000000003480 f9 : 1003e000000000000000f
f10 : 1003e0000000000000400 f11 : 1003e0000000000003c00
r1 : a0000001015a9e80 r2 : a000000101339e94 r3 : 00000000007fffff
r8 : 0000000000001680 r9 : 0000000000002500 r10 : fffffffffffc04b8
r11 : e000000001519980 r12 : e000000d8339fce0 r13 : e000000d83398000
r14 : ffffffffffd90014 r15 : 0000000000000001 r16 : 0000000000000008
r17 : e000000001519990 r18 : 0000000000001680 r19 : 0000000000000000
r20 : 0000000000000000 r21 : 0000000000000000 r22 : 0000000000000000
r23 : 0000000000000000 r24 : ffffffffffd90000 r25 : a000000101339e80
r26 : 0000000000000000 r27 : 0000000000000000 r28 : 0000000000000000
r29 : 0000000000001688 r30 : 0000000000000000 r31 : 0000000000000081
Call Trace:
[<a000000100013820>] show_stack+0x40/0x90
sp=e000000d8339f930 bsp=e000000d833998c0
[<a0000001000141a0>] show_regs+0x930/0x940
sp=e000000d8339fb00 bsp=e000000d83399850
[<a0000001000245e0>] die+0x1a0/0x2f0
sp=e000000d8339fb00 bsp=e000000d83399810
[<a00000010004bab0>] ia64_do_page_fault+0x7e0/0x9e0
sp=e000000d8339fb00 bsp=e000000d83399778
[<a00000010000c580>] ia64_leave_kernel+0x0/0x270
sp=e000000d8339fb10 bsp=e000000d83399778
[<a00000010017b900>] __alloc_pages_nodemask+0x280/0x17a0
sp=e000000d8339fce0 bsp=e000000d833995d0
[<a00000010010eab0>] __dma_direct_alloc_pages+0x190/0x320
sp=e000000d8339fd50 bsp=e000000d83399550
[<a00000010010ec70>] dma_direct_alloc_pages+0x30/0x170
sp=e000000d8339fd50 bsp=e000000d83399510
[<a00000010003a790>] arch_dma_alloc+0x30/0x50
sp=e000000d8339fd50 bsp=e000000d833994d0
[<a00000010010ef10>] dma_direct_alloc+0x60/0xa0
sp=e000000d8339fd50 bsp=e000000d83399490
[<a00000010010c570>] dma_alloc_attrs+0x150/0x1e0
sp=e000000d8339fd50 bsp=e000000d83399440
[<a00000010010c670>] dmam_alloc_attrs+0x70/0x100
sp=e000000d8339fd50 bsp=e000000d833993e8
[<a0000001009a9b90>] ahci_port_start+0x2e0/0x4a0
sp=e000000d8339fd50 bsp=e000000d833993a0
[<a000000100969460>] ata_host_start+0x300/0x460
sp=e000000d8339fd60 bsp=e000000d83399340
[<a0000001009758a0>] ata_host_activate+0x20/0x280
sp=e000000d8339fd60 bsp=e000000d833992e0
[<a0000001009aa070>] ahci_host_activate+0x320/0x330
sp=e000000d8339fd60 bsp=e000000d83399270
[<a0000001009a3410>] ahci_init_one+0x1a70/0x1e10
sp=e000000d8339fd60 bsp=e000000d833991b8
[<a0000001006df4b0>] local_pci_probe+0x90/0x140
sp=e000000d8339fdc0 bsp=e000000d83399178
[<a0000001006e09d0>] pci_device_probe+0x2f0/0x310
sp=e000000d8339fdc0 bsp=e000000d83399140
[<a00000010083a380>] really_probe+0x4a0/0x6b0
sp=e000000d8339fde0 bsp=e000000d833990d8
[<a00000010083aa40>] driver_probe_device+0x1e0/0x1f0
sp=e000000d8339fde0 bsp=e000000d833990a0
[<a00000010083aee0>] device_driver_attach+0xb0/0x100
sp=e000000d8339fde0 bsp=e000000d83399070
[<a00000010083b110>] __driver_attach+0x1e0/0x1f0
sp=e000000d8339fde0 bsp=e000000d83399040
[<a0000001008363d0>] bus_for_each_dev+0xd0/0x130
sp=e000000d8339fde0 bsp=e000000d83399000
[<a000000100839490>] driver_attach+0x40/0x60
sp=e000000d8339fdf0 bsp=e000000d83398fd8
[<a000000100838860>] bus_add_driver+0x3b0/0x450
sp=e000000d8339fdf0 bsp=e000000d83398f88
[<a00000010083c070>] driver_register+0x220/0x2b0
sp=e000000d8339fdf0 bsp=e000000d83398f60
[<a0000001006deb30>] __pci_register_driver+0xa0/0xc0
sp=e000000d8339fdf0 bsp=e000000d83398f30
[<a0000001011442d0>] ahci_pci_driver_init+0x50/0x70
sp=e000000d8339fdf0 bsp=e000000d83398f18
[<a00000010000a7d0>] do_one_initcall+0x100/0x2c0
sp=e000000d8339fdf0 bsp=e000000d83398ee0
[<a0000001010f9cc0>] kernel_init_freeable+0x410/0x470
sp=e000000d8339fe30 bsp=e000000d83398e78
[<a000000100ddd660>] kernel_init+0x20/0x280
sp=e000000d8339fe30 bsp=e000000d83398e58
[<a00000010000c370>] call_payload+0x50/0x80
sp=e000000d8339fe30 bsp=e000000d83398e40
Disabling lock debugging due to kernel taint
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
---[ end Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b ]---
```
During compilation I noticed the following messages:
```
[...]
CC arch/ia64/kernel/dma-mapping.o
In file included from ./include/linux/cpumask.h:12:0,
from ./include/linux/rcupdate.h:31,
from ./include/linux/rculist.h:11,
from ./include/linux/pid.h:5,
from ./include/linux/sched.h:14,
from kernel/sched/sched.h:5,
from kernel/sched/core.c:8:
In function ‘bitmap_zero’,
inlined from ‘cpumask_clear’ at ./include/linux/cpumask.h:390:2,
inlined from ‘get_mmu_context’ at
./arch/ia64/include/asm/mmu_context.h:92:3,
inlined from ‘activate_context’ at
./arch/ia64/include/asm/mmu_context.h:170:11,
inlined from ‘activate_mm’ at
./arch/ia64/include/asm/mmu_context.h:194:2,
inlined from ‘idle_task_exit’ at kernel/sched/core.c:5575:3:
./include/linux/bitmap.h:218:2: warning: ‘memset’ writing 8 bytes into a
region of size 0 overflows the destination [-Wstringop-overflow=]
memset(dst, 0, len);
^~~~~~~~~~~~~~~~~~~
[...]
```
...though I can't say if I haven't seen this before, as I didn't check
the whole make output if it exited with 0.
Cheers,
Frank
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