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Diffstat (limited to 'www/faq.md')
| -rw-r--r-- | www/faq.md | 15 |
1 files changed, 14 insertions, 1 deletions
@@ -17,7 +17,20 @@ Flashrom complains about DEVMEM access If running `flashrom -p internal` for software based flashing, and you get an error related to /dev/mem access, you should reboot with `iomem=relaxed` kernel parameter before running flashrom, or use a kernel -that has `CONFIG\_STRICT\_DEVMEM` not enabled. +that has `CONFIG_STRICT_DEVMEM` and `CONFIG_IO_STRICT_DEVMEM` not enabled. + +Example flashrom output with both `CONFIG_STRICT_DEVMEM` and `CONFIG_IO_STRICT_DEVMEM` enabled: +``` +flashrom v0.9.9-r1955 on Linux 4.11.9-1-ARCH (x86_64) +flashrom is free software, get the source code at https://flashrom.org + +Calibrating delay loop... OK. +Error accessing high tables, 0x100000 bytes at 0x000000007fb5d000 +/dev/mem mmap failed: Operation not permitted +Failed getting access to coreboot high tables. +Error accessing DMI Table, 0x1000 bytes at 0x000000007fb27000 +/dev/mem mmap failed: Operation not permitted +``` The backlight is darker on the left side of the screen when lowering the brightness on my X200/T400/T500/R400 --------------------------------------------------------------------------------------------------------------- |