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Date: Thu, 24 Nov 2022 15:45:55 +0800 From: kernel test robot <yujie.liu@...el.com> To: Sai Prakash Ranjan <quic_saipraka@...cinc.com> CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Arnd Bergmann <arnd@...db.de>, Linux Memory Management List <linux-mm@...ck.org>, <linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [linux-next:master] [asm] 5e5ff73c2e: Initramfs_unpacking_failed Sorry for this false alarm. We found the root cause was due to a problem in our testing environment, and it has been fixed now. On 11/23/2022 17:25, kernel test robot wrote: > Hi Sai, > > We encountered an "Initramfs unpacking failed" issue when doing boot > test on this patch. The patch is for printing accurate debug info under > compiler optimization, looks totally unrelated with initramfs, but this > issue is 100% reproducible in our tests. We confirmed that our rootfs > image, kernel config and other environments were consistent during the > testing. Could you please help check if this is a real problem or a > false alarm? Thanks. > > > Greeting, > > FYI, we noticed Initramfs_unpacking_failed due to commit (built with gcc-11): > > commit: 5e5ff73c2e5863f93fc5fd78d178cd8f2af12464 ("asm-generic/io: Add _RET_IP_ to MMIO trace for more accurate debug info") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > in testcase: boot > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > > [ 3.518862][ T1] initcall pci_apply_final_quirks+0x0/0x32c returned 0 after 10472 usecs > [ 3.520299][ T1] calling acpi_reserve_resources+0x0/0x273 @ 1 > [ 3.521395][ T1] initcall acpi_reserve_resources+0x0/0x273 returned 0 after 61 usecs > [ 3.522853][ T1] calling populate_rootfs+0x0/0x3c @ 1 > [ 3.524393][ T25] Trying to unpack rootfs image as initramfs... > [ 30.185500][ T25] Initramfs unpacking failed: uncompression error <-- > [ 30.931793][ T25] Freeing initrd memory: 607016K > [ 30.932869][ T1] initcall populate_rootfs+0x0/0x3c returned 0 after 27409026 usecs > [ 30.934238][ T1] calling pci_iommu_init+0x0/0x55 @ 1 > [ 30.935230][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) > [ 30.936475][ T1] software IO TLB: mapped [mem 0x0000000096f16000-0x000000009af16000] (64MB) > > > If you fix the issue, kindly add following tag > | Reported-by: kernel test robot <yujie.liu@...el.com> > | Link: https://lore.kernel.org/oe-lkp/202211231652.f67208c7-yujie.liu@intel.com > > > To reproduce: > > # build kernel > cd linux > cp config-6.1.0-rc3-00002-g5e5ff73c2e58.old .config > make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules > make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install > cd <mod-install-dir> > find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz > > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email > > # if come across any failure that blocks the test, > # please remove ~/.lkp and /lkp dir to run from a clean state. > >
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