Public bug reported: Issue -------------- During our internal testing, we found an issue for kexec -e.
Using kexec to reboot works mostly, but ~1 of 5 times the system fails to reboot. SATA failures in new kernel resulting in drop to initramfs as rootfs isn't loadable. Error log for 1) [ 47.384805] ata1: failed to reset engine (errno=-5) [ 47.384805] ata1: failed to reset engine (errno=-5) [ 51.529054] ata1: softreset failed (1st FIS failed) [ 51.529054] ata1: softreset failed (1st FIS failed) [ 57.888800] ata1: failed to reset engine (errno=-5) [ 57.888800] ata1: failed to reset engine (errno=-5) [ 62.037258] ata1: softreset failed (1st FIS failed) [ 62.037258] ata1: softreset failed (1st FIS failed) [ 68.396807] ata1: failed to reset engine (errno=-5) [ 68.396807] ata1: failed to reset engine (errno=-5) Solution -------- https://patchwork.ozlabs.org/patch/1229154/ i.e. ata: ahci: Add shutdown to freeze hardware resources of ahci needs to applied to all applicable Linux version. Please note this patch is already applied to main-line and back-ported to 4.9, 4.14, 4.19, 5.4 and 5.5 ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1877620 Title: Backport of Patch "ata: ahci: Add shutdown to freeze hardware resources of ahci" Status in linux package in Ubuntu: Incomplete Bug description: Issue -------------- During our internal testing, we found an issue for kexec -e. Using kexec to reboot works mostly, but ~1 of 5 times the system fails to reboot. SATA failures in new kernel resulting in drop to initramfs as rootfs isn't loadable. Error log for 1) [ 47.384805] ata1: failed to reset engine (errno=-5) [ 47.384805] ata1: failed to reset engine (errno=-5) [ 51.529054] ata1: softreset failed (1st FIS failed) [ 51.529054] ata1: softreset failed (1st FIS failed) [ 57.888800] ata1: failed to reset engine (errno=-5) [ 57.888800] ata1: failed to reset engine (errno=-5) [ 62.037258] ata1: softreset failed (1st FIS failed) [ 62.037258] ata1: softreset failed (1st FIS failed) [ 68.396807] ata1: failed to reset engine (errno=-5) [ 68.396807] ata1: failed to reset engine (errno=-5) Solution -------- https://patchwork.ozlabs.org/patch/1229154/ i.e. ata: ahci: Add shutdown to freeze hardware resources of ahci needs to applied to all applicable Linux version. Please note this patch is already applied to main-line and back-ported to 4.9, 4.14, 4.19, 5.4 and 5.5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1877620/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
