The files produced by depmod may be corrupted if multiple depmod processes running in parallel try to update them. Since there is nothing stopping the user running depmod in parallel this looks like a bug in depmod. When a package manager is used it synchronizes adding or removeing module files and depmod invocation. However, user might use other script that is not synchronized with package manager or invoke depmod by hand. When global synchronizarion is missing we cannot guarantee completely consistent state because adding and removing module files is anynchronous. However, we should guarantee the system is bootable if the user did not remove the modules needed for boot. For that the dependency file should not get removed or corrupted. Thanks Michal Michal Suchanek (3): depmod: prevent module dependency files missing during depmod invocation. depmod: prevent module dependency files corruption due to parallel invocation. depmod: shut up gcc insufficinet buffer warning. tools/depmod.c | 64 ++++++++++++++++++++++++++++++++++---------------- 1 file changed, 44 insertions(+), 20 deletions(-) -- 2.19.2