Buildresult: powerpc-fixes/40x/obs600_defconfig/powerpc-gcc5 built on Jan 12 2019, 00:58
kisskb
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Status:
OK
Date/Time:
Jan 12 2019, 00:58
Duration:
0:00:33.636128
Builder:
ka2
Revision:
powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group() (
6bca515917515b66b7e1dfc1d1d3b7bd8058315c)
Target:
powerpc-fixes/40x/obs600_defconfig/powerpc-gcc5
Branch:
powerpc-fixes
Compiler:
powerpc-gcc5
(powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:
40x/obs600_defconfig
(
download
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Log:
Download original
Possible warnings (1)
arch/powerpc/kernel/head_40x.S:883: Warning: invalid register expression
Full Log
# git rev-parse -q --verify 6bca515917515b66b7e1dfc1d1d3b7bd8058315c^{commit} 6bca515917515b66b7e1dfc1d1d3b7bd8058315c already have revision, skipping fetch # git checkout -q -f -B kisskb 6bca515917515b66b7e1dfc1d1d3b7bd8058315c # git clean -qxdf # < git log -1 # commit 6bca515917515b66b7e1dfc1d1d3b7bd8058315c # Author: Frederic Barrat <fbarrat@linux.ibm.com> # Date: Wed Jan 9 16:13:42 2019 +0100 # # powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group() # # With a recent change around IOMMU group, a system with an opencapi # adapter is no longer booting and we get a kernel oops: # # BUG: Kernel NULL pointer dereference at 0x00000028 # Faulting instruction address: 0xc0000000000aa38c # ... # NIP pnv_try_setup_npu_table_group+0x1c/0x1a0 # LR pnv_pci_ioda_fixup+0x1f8/0x660 # Call Trace: # pnv_try_setup_npu_table_group+0x60/0x # pnv_pci_ioda_fixup+0x20c/0x660 # pcibios_resource_survey+0x2c8/0x31c # pcibios_init+0xb0/0xe4 # do_one_initcall+0x64/0x264 # kernel_init_freeable+0x36c/0x468 # kernel_init+0x2c/0x148 # ret_from_kernel_thread+0x5c/0x68 # # An opencapi device is using a device PE, so the current code breaks # because pe->pbus is not defined. # # More generally, there's no need to define an IOMMU group for opencapi, # as the device sends real addresses directly (admittedly, the # virtualization story is yet to be written). So let's fix it by # skipping the IOMMU group setup for opencapi PHBs. # # Fixes: 0bd971676e68 ("powerpc/powernv/npu: Add compound IOMMU groups") # Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com> # Reviewed-by: Greg Kurz <groug@kaod.org> # Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 6bca515917515b66b7e1dfc1d1d3b7bd8058315c # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_obs600_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 40x/obs600_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_obs600_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/kernel/head_40x.S: Assembler messages: /kisskb/src/arch/powerpc/kernel/head_40x.S:883: Warning: invalid register expression INFO: Uncompressed kernel (size 0x4a9980) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Image Name: Linux-5.0.0-rc1-g6bca51591751 Created: Sat Jan 12 00:59:10 2019 Image Type: PowerPC Linux Multi-File Image (gzip compressed) Data Size: 2401370 Bytes = 2345.09 KiB = 2.29 MiB Load Address: 00000000 Entry Point: 00000000 Contents: Image 0: 2394481 Bytes = 2338.36 KiB = 2.28 MiB Image 1: 3 Bytes = 0.00 KiB = 0.00 MiB Image 2: 6866 Bytes = 6.71 KiB = 0.01 MiB Completed OK # rm -rf /kisskb/build/powerpc-fixes_40x_obs600_defconfig_powerpc-gcc5 # Build took: 0:00:33.636128
© Michael Ellerman 2006-2018.