Hi, I notice that if CONFIG_SAMSUNG_PM_CHECK is enabled, we get a crash in function "crc32_le(), as below. wanted to know, if anyone of you came across this. Tested on Arndale5250 on kgene's 'for-next' branch 19307a0b41ef10a20712827430e1f2074efab3c4 Merge branch 'v3.16-next/dt-samsung-2' into for-next 3c8977f17796f0b8816a1a283b0b80b71c83d416 ARM: dts: enable usb nodes for exynos4412-trats2 ef14d94cdc41c0af1c2713e1ddced903d9d68768 ARM: dts: add hsotg device node for exynos4 26bbd41fe1b3b75bb075eaddf26571c7573c4c01 ARM: dts: add exynos_usbphy node for exynos4 7b9613aca42a5522d269f89496fef7df10934335 ARM: dts: add PMU syscon node for exynos4 e8af308549178271bccaa7886f429a7c0b1d8514 ARM: dts: enable usb nodes for exynos4412-trats2 <--------------------------------------------------------------------------------------------------------------> / $ echo mem > /sys/power/state [ 9.874440] PM: Syncing filesystems ... [ 10.518085] random: nonblocking pool is initialized [ 10.645255] done. [ 10.646561] Freezing user space processes ... (elapsed 0.000 seconds) done. [ 10.652642] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 10.713454] wake enabled for irq 187 [ 10.715575] wake enabled for irq 188 [ 10.719117] wake enabled for irq 189 [ 10.722686] wake enabled for irq 190 [ 10.726244] wake enabled for irq 191 [ 10.729793] wake enabled for irq 192 [ 10.745154] PM: suspend of devices complete after 83.460 msecs [ 10.751576] PM: late suspend of devices complete after 2.051 msecs [ 10.758449] PM: noirq suspend of devices complete after 2.155 msecs [ 10.763253] Disabling non-boot CPUs ... [ 10.767496] IRQ153 no longer affine to CPU1 [ 10.767623] CPU1: shutdown [ 10.774637] Unable to handle kernel paging request at virtual address f0001000 [ 10.774637] pgd = edb18000 [ 10.774637] [f0001000] *pgd=6e006811, *pte=00000000, *ppte=00000000 [ 10.774637] Internal error: Oops: 7 [#1] PREEMPT SMP ARM [ 10.774637] Modules linked in: [ 10.774637] CPU: 0 PID: 1 Comm: sh Not tainted 3.15.0-rc4-00197-g0cb752a #43 [ 10.774637] task: ee00e800 ti: ee078000 task.ti: ee078000 [ 10.774637] PC is at crc32_le+0x2c/0x13c [ 10.774637] LR is at 0x1e00 [ 10.774637] pc : [<c01cb3a0>] lr : [<00001e00>] psr: 20000093 [ 10.774637] sp : ee079e6c ip : 700de3b6 fp : efa06222 [ 10.774637] r10: 840510ee r9 : 00000000 r8 : 00002000 [ 10.774637] r7 : c05086ac r6 : 00000000 r5 : 9e16d8c3 r4 : f0000ffc [ 10.774637] r3 : c05083c0 r2 : 00000000 r1 : effffffc r0 : 20706046 [ 10.774637] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user [ 10.774637] Control: 10c5387d Table: 6db1806a DAC: 00000015 [ 10.774637] Process sh (pid: 1, stack limit = 0xee078240) [ 10.774637] Stack: (0xee079e6c to 0xee07a000) [ 10.774637] 9e60: 70000000 ed9cba00 ef7fccc0 00000000 c050f036 [ 10.774637] 9e80: 00000000 ee3ca60c beb7da40 c001a8c8 ef7fccc0 ed9cba00 c001a894 c001a880 [ 10.774637] 9ea0: c05128a0 ed9c0000 c001a894 c001a850 c05125f0 c05439bc 00000003 c001a0ec [ 10.774637] 9ec0: c05439bc c0057044 beb7da40 c03841a4 c044e1d0 ee079eec 00000000 ee079eec [ 10.774637] 9ee0: 00000003 00000003 00000000 c038f360 00000003 ed899d40 00000004 c00572a0 [ 10.774637] 9f00: 0000006d 00000003 c04465bc c00562c4 00000004 00000000 00000000 ee079f80 [ 10.774637] 9f20: ed899d40 00000004 ee3ca600 c0110534 00000000 00000000 ee203900 b6f3b000 [ 10.774637] 9f40: ee079f80 00000004 00000004 b6f3b000 00000000 c00b7ca0 ee00e800 c00d1570 [ 10.774637] 9f60: 00000001 00000000 00000000 ee203900 ee203900 00000004 b6f3b000 c00b8284 [ 10.774637] 9f80: 00000000 00000000 ee203900 00000004 b6f3b000 b6e265f8 00000004 c000e4e4 [ 10.774637] 9fa0: ee078000 c000e360 00000004 b6f3b000 00000001 b6f3b000 00000004 00000000 [ 10.774637] 9fc0: 00000004 b6f3b000 b6e265f8 00000004 00000004 000ad848 00000974 beb7da40 [ 10.774637] 9fe0: b6f3b000 beb7d7c0 b6d6d124 b6dba43c 60000010 00000001 ffffffff ffffffff [ 10.774637] [<c01cb3a0>] (crc32_le) from [<c001a8c8>] (s3c_pm_makecheck+0x34/0x54) [ 10.774637] [<c001a8c8>] (s3c_pm_makecheck) from [<c001a880>] (s3c_pm_run_res+0x6c/0x80) [ 10.774637] [<c001a880>] (s3c_pm_run_res) from [<c001a850>] (s3c_pm_run_res+0x3c/0x80) [ 10.774637] [<c001a850>] (s3c_pm_run_res) from [<c001a0ec>] (exynos_suspend_enter+0xa8/0x144) [ 10.774637] [<c001a0ec>] (exynos_suspend_enter) from [<c0057044>] (suspend_devices_and_enter+0x25c/0x304) [ 10.774637] [<c0057044>] (suspend_devices_and_enter) from [<c00572a0>] (pm_suspend+0x1b4/0x214) [ 10.774637] [<c00572a0>] (pm_suspend) from [<c00562c4>] (state_store+0x68/0xb8) [ 10.774637] [<c00562c4>] (state_store) from [<c0110534>] (kernfs_fop_write+0xc0/0x180) [ 10.774637] [<c0110534>] (kernfs_fop_write) from [<c00b7ca0>] (vfs_write+0xac/0x188) [ 10.774637] [<c00b7ca0>] (vfs_write) from [<c00b8284>] (SyS_write+0x40/0x94) [ 10.774637] [<c00b8284>] (SyS_write) from [<c000e360>] (ret_fast_syscall+0x0/0x30) [ 10.774637] Code: e30833c0 e1a04001 e34c3050 e1a0e008 (e5945004) [ 10.774637] ---[ end trace 2ba1a0948b7498ef ]--- [ 10.774637] ------------[ cut here ]------------ [ 10.774637] WARNING: CPU: 0 PID: 0 at kernel/time/timekeeping.c:345 ktime_get+0x110/0x11c() [ 10.774637] Modules linked in: [ 10.774637] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 3.15.0-rc4-00197-g0cb752a #43 [ 10.774637] [<c0013fe8>] (unwind_backtrace) from [<c00112d4>] (show_stack+0x10/0x14) [ 10.774637] [<c00112d4>] (show_stack) from [<c0386488>] (dump_stack+0x80/0xc0) [ 10.774637] [<c0386488>] (dump_stack) from [<c001d2a0>] (warn_slowpath_common+0x6c/0x88) [ 10.774637] [<c001d2a0>] (warn_slowpath_common) from [<c001d358>] (warn_slowpath_null+0x1c/0x24) [ 10.774637] [<c001d358>] (warn_slowpath_null) from [<c0065ff8>] (ktime_get+0x110/0x11c) [ 10.774637] [<c0065ff8>] (ktime_get) from [<c006f330>] (__tick_nohz_idle_enter+0x1c/0x44c) [ 10.774637] [<c006f330>] (__tick_nohz_idle_enter) from [<c006f7a0>] (tick_nohz_idle_enter+0x40/0x78) [ 10.774637] [<c006f7a0>] (tick_nohz_idle_enter) from [<c00500d8>] (cpu_startup_entry+0x48/0x160) [ 10.774637] [<c00500d8>] (cpu_startup_entry) from [<c04caae4>] (start_kernel+0x344/0x350) [ 10.774637] ---[ end trace 2ba1a0 Regards Vikas Sajjan -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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