On 03/05/2013 05:46 AM, Joseph Yasi wrote: > Hi, > > With linux 3.8.2 I can no longer mount efivars on my Lenovo Thinkpad T530: > > $ sudo mount -v /sys/firmware/efi/efivars > mount: Cannot allocate memory Looking at 47f531e8ba3bc3901a0c493f4252826c41dea1a1 efivarfs: Validate filenames much more aggressively In efivarfs_valid_name: + /* GUID should be right after the first '-' */ + if (s - 1 != strchr(str, '-')) + return false; But pstore creates entries like dump-type0-1-$timestamp-$GUID. efivarfs_alloc_dentry fails because it thinks pstore entry names are invalid. EFI pstore dump is now enabled by default (as in Fedora), saving dump sooner or later, so users will likely be affected by this. Manually creating a test-test-$GUID also reproduces this. Lingzhu Xiang -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html