lkml.org 
[lkml]   [2022]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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@intel.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.
>
>

\
 
 \ /
  Last update: 2022-11-24 08:47    [W:0.035 / U:0.316 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site