On Sun, Sep 24, 2017 at 09:31:51AM +0200, O. Hartmann wrote: > Running a NanoBSD application on a small PCEngine device, feeding the box with a CURRENT > (FreeBSD 12.0-CURRENT #33 r323958: Sat Sep 23 22:19:57 CEST 2017 amd64), booting from a > SD memory card. > > Recently, when saving configuration changes on the SD memory card, I receive these > strange errors: > > [...] > checksum failed: cg 0, cgp: 0xb478d1d5 != bp: 0x874608df > checksum failed: cg 12, cgp: 0xe626d67c != bp: 0x7360c12a > checksum failed: cg 0, cgp: 0xb478d1d5 != bp: 0x874608df > handle_workitem_freefile: got error 5 while accessing filesystem > checksum failed: cg 12, cgp: 0xe626d67c != bp: 0x7360c12a > handle_workitem_freefile: got error 5 while accessing filesystem > [...] > > I do not use MMCCAM in the kernel, but as far as I know, the problem occured in the same > time frame. > > The question is: is the SD memory about to die and is to be replaced or is this a bug > introduced with the new MMCCAM stuff recently? The messages you see about 'checksum_failed' are due to recently added UFS feature where cylinder group blocks are checksummed, and the checksum is verified against the known one stored on the volume. Were there kernel messages about disk I/O errors before that (as opposed to UFS errors about checksums and SU complains) ?Received on Sun Sep 24 2017 - 05:52:44 UTC
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