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Message #184219
[Bug 1567539] Re: Failure to dump with trusty+3.16 on ppc64el
This bug was fixed in the package makedumpfile - 1:1.5.9-7
---------------
makedumpfile (1:1.5.9-7) sid; urgency=medium
* [d/rules] Lower kexec-tools dependency to -2
The ubuntu merge will happen on an 1:2.0.10-2 version so it cannot
depends on -3.
-- Louis Bouchard <louis.bouchard@xxxxxxxxxx> Tue, 31 May 2016
14:36:07 +0200
** Changed in: makedumpfile (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1567539
Title:
Failure to dump with trusty+3.16 on ppc64el
Status in makedumpfile package in Ubuntu:
Fix Released
Bug description:
Test case
# sudo apt-get install linux-crashdump
set USE_KDUMP=1 in /etc/default/kdump-tools
# sudo shutdown -r now
echo 1 | sudo tee /proc/sys/kernel/sysrq
echo c | sudo tee /proc/sysrq-trigger
It looks like there was insufficient memory devoted to the crash
kernel. The defaults were used, and the kernel had 256G of ram, and
only 2.6G were in use at the time of inducing the crash.
________________________Console log ________________________
[ 290.509423] SysRq : Trigger a crash
[ 290.509526] Unable to handle kernel paging request for data at address 0x00000000
[ 290.509606] Faulting instruction address: 0xc0000000005d9c94
[ 290.509672] Oops: Kernel access of bad area, sig: 11 [#1]
[ 290.509723] SMP NR_CPUS=2048 NUMA PowerNV
[ 290.509776] Modules linked in: ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt rtc_generic i2c_opal powernv_rng uio_pdrv_genirq ipmi_powernv ipmi_msghandler uio mlx4_en vxlan ses enclosure mlx4_core ipr
[ 290.510178] CPU: 121 PID: 2976 Comm: tee Not tainted 3.16.0-69-generic #89~14.04.1-Ubuntu
[ 290.510254] task: c000001fdccf4a80 ti: c000001fdcd58000 task.ti: c000001fdcd58000
[ 290.510330] NIP: c0000000005d9c94 LR: c0000000005dad0c CTR: c0000000005d9c60
[ 290.510406] REGS: c000001fdcd5b9d0 TRAP: 0300 Not tainted (3.16.0-69-generic)
[ 290.510480] MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 28004024 XER: 20000000
[ 290.510671] CFAR: c000000000009368 DAR: 0000000000000000 DSISR: 42000000 SOFTE: 1
GPR00: c0000000005dad0c c000001fdcd5bc50 c0000000013d7d00 0000000000000063
GPR04: c000000006548540 c000000006558da8 0000000000016fa0 c000000001596218
GPR08: c000000000e37d00 0000000000000000 0000000000000001 0000000000016fa0
GPR12: c0000000005d9c60 c000000007bc4100 0000000000000000 0000000000000000
GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR20: 0000000000000000 0000000000000000 00000000100094d8 00000000100094c0
GPR24: 0000000000000001 00000000100094d8 0000000000000004 0000000000000000
GPR28: c00000000130f6c0 0000000000000063 c0000000012ed7a0 c00000000130fa80
[ 290.511676] NIP [c0000000005d9c94] sysrq_handle_crash+0x34/0x50
[ 290.511742] LR [c0000000005dad0c] __handle_sysrq+0xec/0x280
[ 290.511793] Call Trace:
[ 290.511820] [c000001fdcd5bc50] [c000001fdcd5bcb0] 0xc000001fdcd5bcb0 (unreliable)
[ 290.511911] [c000001fdcd5bc70] [c0000000005dad0c] __handle_sysrq+0xec/0x280
[ 290.511988] [c000001fdcd5bd10] [c0000000005db4dc] write_sysrq_trigger+0x7c/0xa0
[ 290.512078] [c000001fdcd5bd40] [c00000000032e1d0] proc_reg_write+0xb0/0x110
[ 290.512155] [c000001fdcd5bd90] [c0000000002a47ec] vfs_write+0xdc/0x260
[ 290.512231] [c000001fdcd5bde0] [c0000000002a558c] SyS_write+0x6c/0x110
[ 290.512308] [c000001fdcd5be30] [c00000000000a1d8] system_call+0x38/0xd0
[ 290.512383] Instruction dump:
[ 290.512421] 3842e0a0 7c0802a6 f8010010 f821ffe1 60000000 60000000 3d42001b 392a006c
[ 290.512546] 39400001 91490000 7c0004ac 39200000 <99490000> 38210020 e8010010 7c0803a6
[ 290.512674] ---[ end trace ba4afa55b8a163cd ]---
[ 290.512735]
[ 290.513754] Sending IPI to other CPUs
[ 290.514897] IPI complete
[ 0.000000] OPAL V3 detected !
[ 0.000000] Using PowerNV machine description
[ 0.000000] Page sizes from device-tree:
[ 0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0
[ 0.000000] base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7
[ 0.000000] base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=56
[ 0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1
[ 0.000000] base_shift=16: shift=24, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=8
[ 0.000000] base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0
[ 0.000000] base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3
[ 0.000000] Using 1TB segments
[ 0.000000] kvm_cma: CMA: failed to reserve 128 MiB
[ 0.000000] Found initrd at 0xc000000009730000:0xc00000000afd9bd6
[ 0.000000] bootconsole [udbg0] enabled
[ 0.000000] CPU maps initialized for 8 threads per core
-> smp_release_cpus()
spinning_secondaries = 159
<- smp_release_cpus()
[ 0.000000] Starting Linux PPC64 #89~14.04.1-Ubuntu SMP Thu Mar 17 20:50:51 UTC 2016
[ 0.000000] -----------------------------------------------------
[ 0.000000] ppc64_pft_size = 0x0
[ 0.000000] physicalMemorySize = 0x19c00000
[ 0.000000] htab_address = 0xc00000000f800000
[ 0.000000] htab_hash_mask = 0xfff
[ 0.000000] physical_start = 0x8000000
[ 0.000000] -----------------------------------------------------
<- setup_system()
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.16.0-69-generic (buildd@bos01-ppc64el-017) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #89~14.04.1-Ubuntu SMP Thu Mar 17 20:50:51 UTC 2016 (Ubuntu 3.16.0-69.89~14.04.1-generic 3.16.7-ckt25)
[ 0.000000] [boot]0012 Setup Arch
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe40000000
[ 0.000000] PCI host bridge /pciex@3fffe40000000 (primary) ranges:
[ 0.000000] MEM 0x00003fe000000000..0x00003fe07ffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x800)
[ 0.000000] Issue PHB reset ...
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe40100000
[ 0.000000] PCI host bridge /pciex@3fffe40100000 ranges:
[ 0.000000] MEM 0x00003fe080000000..0x00003fe0fffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x1000)
[ 0.000000] Issue PHB reset ...
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe40400000
[ 0.000000] PCI host bridge /pciex@3fffe40400000 ranges:
[ 0.000000] MEM 0x00003fe200000000..0x00003fe27ffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x2800)
[ 0.000000] Issue PHB reset ...
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe40500000
[ 0.000000] PCI host bridge /pciex@3fffe40500000 ranges:
[ 0.000000] MEM 0x00003fe280000000..0x00003fe2fffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x3000)
[ 0.000000] Issue PHB reset ...
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe42000000
[ 0.000000] PCI host bridge /pciex@3fffe42000000 ranges:
[ 0.000000] MEM 0x00003ff000000000..0x00003ff07ffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x20800)
[ 0.000000] Issue PHB reset ...
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe42400000
[ 0.000000] PCI host bridge /pciex@3fffe42400000 ranges:
[ 0.000000] MEM 0x00003ff200000000..0x00003ff27ffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x22800)
[ 0.000000] Issue PHB reset ...
[ 0.000000] Initializing IODA2 OPAL PHB /pciex@3fffe42500000
[ 0.000000] PCI host bridge /pciex@3fffe42500000 ranges:
[ 0.000000] MEM 0x00003ff280000000..0x00003ff2fffeffff -> 0x0000000080000000
[ 0.000000] 256 (255) PE's M32: 0x80000000 [segment=0x800000]
[ 0.000000] M64: 0x10000000000 [segment=0x100000000]
[ 0.000000] Allocated bitmap for 2040 MSIs (base IRQ 0x23000)
[ 0.000000] Issue PHB reset ...
[ 0.000000] OPAL nvram setup, 1048576 bytes
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00000000-0x39bfffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00000000-0x0fffffff]
[ 0.000000] node 0: [mem 0x30000000-0x39bfffff]
[ 0.000000] Could not find start_pfn for node 1
[ 0.000000] Could not find start_pfn for node 16
[ 0.000000] Could not find start_pfn for node 17
[ 0.000000] [boot]0015 Setup Done
[ 0.000000] bootmem alloc of 41943040 bytes failed!
[ 0.000000] Kernel panic - not syncing: Out of memory
[ 0.000000] CPU: 41 PID: 0 Comm: swapper Not tainted 3.16.0-69-generic #89~14.04.1-Ubuntu
[ 0.000000] Call Trace:
[ 0.000000] [c0000000093d7b50] [c000000008017340] show_stack+0x170/0x290 (unreliable)
[ 0.000000] [c0000000093d7c30] [c0000000089eedd8] dump_stack+0xc4/0x120
[ 0.000000] [c0000000093d7c70] [c0000000089e5e1c] panic+0x104/0x2b8
[ 0.000000] [c0000000093d7d00] [c000000008d7fd58] ___alloc_bootmem_node+0x4c/0x64
[ 0.000000] [c0000000093d7d70] [c000000008d5ac60] pcpu_fc_alloc+0x50/0x64
[ 0.000000] [c0000000093d7d90] [c000000008d7db04] pcpu_embed_first_chunk+0x5e8/0x874
[ 0.000000] [c0000000093d7e80] [c000000008d5b754] setup_per_cpu_areas+0x60/0x140
[ 0.000000] [c0000000093d7f00] [c000000008d53aa0] start_kernel+0x174/0x53c
[ 0.000000] [c0000000093d7f90] [c000000008009b6c] start_here_common+0x20/0xa8
[ 0.000000] ---[ end Kernel panic - not syncing: Out of memory
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