Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: Qemu crashes in -next due to 'of: remove *phandle properties from expanded device tree' | Date | Thu, 15 Jun 2017 16:48:40 +1000 |
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Guenter Roeck <linux@roeck-us.net> writes:
> Hi Frank, > > your commit 'of: remove *phandle properties from expanded device tree' in > -next causes several of my ppc qemu tests to crash. Looking into qemu, it > sets "linux,phandle" properties for the mpic and for other devices.
Yeah this broke ~50% of my machines.
Various back traces, or in some cases nothing at all.
cheers
eg:
XICS: Cannot find a Source Controller ! ------------[ cut here ]------------ kernel BUG at arch/powerpc/sysdev/xics/xics-common.c:58! Oops: Exception in kernel mode, sig: 5 [#1] SMP NR_CPUS=2048 NUMA pSeries Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.12.0-rc5-gcc5-next-20170614-gb147461 #1 task: c000000000eb1180 task.stack: c000000001084000 NIP: c00000000008d780 LR: c00000000008d770 CTR: 0000000000000000 REGS: c000000001087a40 TRAP: 0700 Tainted: G W (4.12.0-rc5-gcc5-next-20170614-gb147461) MSR: 8000000000021032 <SF,ME,IR,DR,RI> CR: 24000422 XER: 00000001 CFAR: c0000000008dd280 SOFTE: 0 GPR00: c00000000008d770 c000000001087cc0 c000000001086400 0000000000000000 GPR04: 0000000000000000 0000000000000000 c000000000ad14c8 0000000000000002 GPR08: 0000000000000002 0000000000000001 0000000000000002 0000000000000000 GPR12: 0000000022000424 c000000006af0000 00000000054dd288 00000000054b5618 GPR16: 00000000054b5320 00000000054b59e8 000000000554dd20 0000000000000060 GPR20: 000000000462eea0 0000000001b56c80 0000000000000040 0000000000000000 GPR24: 0000000004814000 0000000005aa0028 0000000004814000 0000000005ab158e GPR28: ffffffffd00dfeed c000000000e115e0 0000000000000000 c000000000eb54f4 NIP [c00000000008d780] .xics_update_irq_servers+0x40/0x140 LR [c00000000008d770] .xics_update_irq_servers+0x30/0x140 Call Trace: [c000000001087cc0] [c00000000008d770] .xics_update_irq_servers+0x30/0x140 (unreliable) [c000000001087d50] [c000000000db85f0] .xics_init+0x134/0x188 [c000000001087dd0] [c000000000dbdc64] .pseries_init_irq+0x48/0x230 [c000000001087e80] [c000000000da8dcc] .init_IRQ+0x3c/0x50 [c000000001087ef0] [c000000000da44e4] .start_kernel+0x31c/0x528 [c000000001087f90] [c00000000000b070] start_here_common+0x1c/0x4ac Instruction dump: f821ff71 60000000 60000000 3d02ffe3 38800000 3be8f0f4 e87f0002 4884fa85 60000000 7c690074 7c7e1b78 7929d182 <0b090000> e93f0002 3d02000b 3c82ffc2 ---[ end trace 523b05d3a02887f6 ]---
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