Buildresult: powerpc-fixes/x86_64-allmodconfig/x86_64-gcc8 built on Apr 30, 00:39

kisskb

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Status:	OK
Date/Time:	Apr 30, 00:39
Duration:	0:27:36.661991
Builder:	alpine1
Revision:	powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE (`49a940dbdc3107fecd5e6d3063dc07128177e058)`
Target:	powerpc-fixes/x86_64-allmodconfig/x86_64-gcc8
Branch:	powerpc-fixes
Compiler:	x86_64-gcc8 (x86_64-linux-gcc (GCC) 8.5.0 / GNU ld (GNU Binutils) 2.36.1)
Config:	allmodconfig (download)
Log:	Download original No warnings found in log. Full Log # git rev-parse -q --verify 49a940dbdc3107fecd5e6d3063dc07128177e058^{commit} 49a940dbdc3107fecd5e6d3063dc07128177e058 already have revision, skipping fetch # git checkout -q -f -B kisskb 49a940dbdc3107fecd5e6d3063dc07128177e058 # git clean -qxdf # < git log -1 # commit 49a940dbdc3107fecd5e6d3063dc07128177e058 # Author: Gaurav Batra <gbatra@linux.ibm.com> # Date: Mon Apr 22 15:51:41 2024 -0500 # # powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE # # At the time of LPAR boot up, partition firmware provides Open Firmware # property ibm,dma-window for the PE. This property is provided on the PCI # bus the PE is attached to. # # There are execptions where the partition firmware might not provide this # property for the PE at the time of LPAR boot up. One of the scenario is # where the firmware has frozen the PE due to some error condition. This # PE is frozen for 24 hours or unless the whole system is reinitialized. # # Within this time frame, if the LPAR is booted, the frozen PE will be # presented to the LPAR but ibm,dma-window property could be missing. # # Today, under these circumstances, the LPAR oopses with NULL pointer # dereference, when configuring the PCI bus the PE is attached to. # # BUG: Kernel NULL pointer dereference on read at 0x000000c8 # Faulting instruction address: 0xc0000000001024c0 # Oops: Kernel access of bad area, sig: 7 [#1] # LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries # Modules linked in: # Supported: Yes # CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.4.0-150600.9-default #1 # Hardware name: IBM,9043-MRX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NM1060_023) hv:phyp pSeries # NIP: c0000000001024c0 LR: c0000000001024b0 CTR: c000000000102450 # REGS: c0000000037db5c0 TRAP: 0300 Not tainted (6.4.0-150600.9-default) # MSR: 8000000002009033 <SF,VEC,EE,ME,IR,DR,RI,LE> CR: 28000822 XER: 00000000 # CFAR: c00000000010254c DAR: 00000000000000c8 DSISR: 00080000 IRQMASK: 0 # ... # NIP [c0000000001024c0] pci_dma_bus_setup_pSeriesLP+0x70/0x2a0 # LR [c0000000001024b0] pci_dma_bus_setup_pSeriesLP+0x60/0x2a0 # Call Trace: # pci_dma_bus_setup_pSeriesLP+0x60/0x2a0 (unreliable) # pcibios_setup_bus_self+0x1c0/0x370 # __of_scan_bus+0x2f8/0x330 # pcibios_scan_phb+0x280/0x3d0 # pcibios_init+0x88/0x12c # do_one_initcall+0x60/0x320 # kernel_init_freeable+0x344/0x3e4 # kernel_init+0x34/0x1d0 # ret_from_kernel_user_thread+0x14/0x1c # # Fixes: b1fc44eaa9ba ("pseries/iommu/ddw: Fix kdump to work in absence of ibm,dma-window") # Signed-off-by: Gaurav Batra <gbatra@linux.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://msgid.link/20240422205141.10662-1-gbatra@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-8.5.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.5.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 49a940dbdc3107fecd5e6d3063dc07128177e058 # make -s -j 160 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/x86_64-linux/bin/x86_64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig # < make -s -j 160 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 160 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig # make -s -j 160 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/x86_64-linux/bin/x86_64-linux- Completed OK # rm -rf /kisskb/build/powerpc-fixes_allmodconfig_x86_64-gcc8 # Build took: 0:27:36.661991

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