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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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817ed5748e
On lubbock board, the probe of the driver crashes by dereferencing very early a platform_data structure which is not set, in pxa2xx_configure_sockets(). The stack fixed is : [ 0.244353] SA1111 Microprocessor Companion Chip: silicon revision 1, metal revision 1 [ 0.256321] sa1111 sa1111: Providing IRQ336-390 [ 0.340899] clocksource: Switched to clocksource oscr0 [ 0.472263] Unable to handle kernel NULL pointer dereference at virtual address 00000004 [ 0.480469] pgd = c0004000 [ 0.483432] [00000004] *pgd=00000000 [ 0.487105] Internal error: Oops: f5 [#1] ARM [ 0.491497] Modules linked in: [ 0.494650] CPU: 0 PID: 1 Comm: swapper Not tainted 4.8.0-rc3-00080-g1aaa68426f0c-dirty #2068 [ 0.503229] Hardware name: Intel DBPXA250 Development Platform (aka Lubbock) [ 0.510344] task: c3e42000 task.stack: c3e44000 [ 0.514984] PC is at pxa2xx_configure_sockets+0x4/0x24 (drivers/pcmcia/pxa2xx_base.c:227) [ 0.520193] LR is at pcmcia_lubbock_init+0x1c/0x38 [ 0.525079] pc : [<c0247c30>] lr : [<c02479b0>] psr: a0000053 [ 0.525079] sp : c3e45e70 ip : 100019ff fp : 00000000 [ 0.536651] r10: c0828900 r9 : c0434838 r8 : 00000000 [ 0.541953] r7 : c0820700 r6 : c0857b30 r5 : c3ec1400 r4 : c0820758 [ 0.548549] r3 : 00000000 r2 : 0000000c r1 : c3c09c40 r0 : c3ec1400 [ 0.555154] Flags: NzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none [ 0.562450] Control: 0000397f Table: a0004000 DAC: 00000053 [ 0.568257] Process swapper (pid: 1, stack limit = 0xc3e44190) [ 0.574154] Stack: (0xc3e45e70 to 0xc3e46000) [ 0.578610] 5e60: c4849800 00000000 c3ec1400 c024769c [ 0.586928] 5e80: 00000000 c3ec140c c3c0ee0c c3ec1400 c3ec1434 c020c410 c3ec1400 c3ec1434 [ 0.595244] 5ea0: c0820700 c080b408 c0828900 c020c5f8 00000000 c0820700 c020c578 c020ac5c [ 0.603560] 5ec0: c3e687cc c3e71e10 c0820700 00000000 c3c02de0 c020bae4 c03c62f7 c03c62f7 [ 0.611872] 5ee0: c3e68780 c0820700 c042e034 00000000 c043c440 c020cdec c080b408 00000005 [ 0.620188] 5f00: c042e034 c00096c0 c0034440 c01c730c 20000053 ffffffff 00000000 00000000 [ 0.628502] 5f20: 00000000 c3ffcb87 c3ffcb90 c00346ac c3e66ba0 c03f7914 00000092 00000005 [ 0.636811] 5f40: 00000005 c03f847c 00000091 c03f847c 00000000 00000005 c0434828 00000005 [ 0.645125] 5f60: c043482c 00000092 c043c440 c0828900 c0434838 c0418d2c 00000005 00000005 [ 0.653430] 5f80: 00000000 c041858c 00000000 c032e9f0 00000000 00000000 00000000 00000000 [ 0.661729] 5fa0: 00000000 c032e9f8 00000000 c000f0f0 00000000 00000000 00000000 00000000 [ 0.670020] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.678311] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 0.686673] (pxa2xx_configure_sockets) from pcmcia_lubbock_init (/drivers/pcmcia/sa1111_lubbock.c:161) [ 0.696026] (pcmcia_lubbock_init) from pcmcia_probe (/drivers/pcmcia/sa1111_generic.c:213) [ 0.704358] (pcmcia_probe) from driver_probe_device (/drivers/base/dd.c:378 /drivers/base/dd.c:499) [ 0.712848] (driver_probe_device) from __driver_attach (/./include/linux/device.h:983 /drivers/base/dd.c:733) [ 0.721414] (__driver_attach) from bus_for_each_dev (/drivers/base/bus.c:313) [ 0.729723] (bus_for_each_dev) from bus_add_driver (/drivers/base/bus.c:708) [ 0.738036] (bus_add_driver) from driver_register (/drivers/base/driver.c:169) [ 0.746185] (driver_register) from do_one_initcall (/init/main.c:778) [ 0.754561] (do_one_initcall) from kernel_init_freeable (/init/main.c:843 /init/main.c:851 /init/main.c:869 /init/main.c:1016) [ 0.763409] (kernel_init_freeable) from kernel_init (/init/main.c:944) [ 0.771660] (kernel_init) from ret_from_fork (/arch/arm/kernel/entry-common.S:119) [ 0.779347] Code: c03c6305 c03c631e c03c632e e5903048 (e993000c) All code ======== 0: c03c6305 eorsgt r6, ip, r5, lsl #6 4: c03c631e eorsgt r6, ip, lr, lsl r3 8: c03c632e eorsgt r6, ip, lr, lsr #6 c: e5903048 ldr r3, [r0, #72] ; 0x48 10:* e993000c ldmib r3, {r2, r3} <-- trapping instruction Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> |
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| .. | ||
| at91_cf.c | ||
| bcm63xx_pcmcia.c | ||
| bcm63xx_pcmcia.h | ||
| bfin_cf_pcmcia.c | ||
| cardbus.c | ||
| cirrus.h | ||
| cistpl.c | ||
| cs_internal.h | ||
| cs.c | ||
| db1xxx_ss.c | ||
| ds.c | ||
| electra_cf.c | ||
| i82092.c | ||
| i82092aa.h | ||
| i82365.c | ||
| i82365.h | ||
| Kconfig | ||
| m32r_cfc.c | ||
| m32r_cfc.h | ||
| m32r_pcc.c | ||
| m32r_pcc.h | ||
| Makefile | ||
| o2micro.h | ||
| omap_cf.c | ||
| pcmcia_cis.c | ||
| pcmcia_resource.c | ||
| pd6729.c | ||
| pd6729.h | ||
| pxa2xx_balloon3.c | ||
| pxa2xx_base.c | ||
| pxa2xx_base.h | ||
| pxa2xx_cm_x2xx.c | ||
| pxa2xx_cm_x255.c | ||
| pxa2xx_cm_x270.c | ||
| pxa2xx_colibri.c | ||
| pxa2xx_e740.c | ||
| pxa2xx_hx4700.c | ||
| pxa2xx_mainstone.c | ||
| pxa2xx_palmld.c | ||
| pxa2xx_palmtc.c | ||
| pxa2xx_palmtx.c | ||
| pxa2xx_sharpsl.c | ||
| pxa2xx_stargate2.c | ||
| pxa2xx_trizeps4.c | ||
| pxa2xx_viper.c | ||
| pxa2xx_vpac270.c | ||
| ricoh.h | ||
| rsrc_iodyn.c | ||
| rsrc_mgr.c | ||
| rsrc_nonstatic.c | ||
| sa11xx_base.c | ||
| sa11xx_base.h | ||
| sa1100_assabet.c | ||
| sa1100_cerf.c | ||
| sa1100_generic.c | ||
| sa1100_generic.h | ||
| sa1100_h3600.c | ||
| sa1100_nanoengine.c | ||
| sa1100_shannon.c | ||
| sa1100_simpad.c | ||
| sa1111_badge4.c | ||
| sa1111_generic.c | ||
| sa1111_generic.h | ||
| sa1111_jornada720.c | ||
| sa1111_lubbock.c | ||
| sa1111_neponset.c | ||
| soc_common.c | ||
| soc_common.h | ||
| socket_sysfs.c | ||
| tcic.c | ||
| tcic.h | ||
| ti113x.h | ||
| topic.h | ||
| vg468.h | ||
| vrc4171_card.c | ||
| vrc4173_cardu.c | ||
| vrc4173_cardu.h | ||
| xxs1500_ss.c | ||
| yenta_socket.c | ||
| yenta_socket.h | ||