Date: Sat, 26 Aug 2017 10:44:52 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-doc@FreeBSD.org Subject: [Bug 91149] fix man page: read(2) and write(2) can return EINVAL for unaligned access to block devices Message-ID: <bug-91149-9-5x1f2M3pMb@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-91149-9@https.bugs.freebsd.org/bugzilla/> References: <bug-91149-9@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D91149 Matthias Andree <mandree@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|read(2) can return EINVAL |fix man page: read(2) and |for unaligned access to |write(2) can return EINVAL |block devices |for unaligned access to | |block devices CC| |mandree@FreeBSD.org --- Comment #1 from Matthias Andree <mandree@FreeBSD.org> --- This should also be added to write(2); I have recently received a truss rep= ort from FreeBSD 12 running e2fsck that showed this fragment: lseek(4,0x430,SEEK_SET) =3D 1072 (0x430) write(4,"\^F0\M-!Y\0\0",6) ERR#22 'Invalid argument' where fd 4 is /dev/da0s1, an external 2015 Western Digital My Passport Ultra USB hard disk of 1 TB with this diskinfo (identifying information removed): # diskinfo -v /dev/da0 /dev/da0 512 # sectorsize 1000170586112 # mediasize in bytes (931G) 1953458176 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 121597 # Cylinders according to firmware. 255 # Heads according to firmware. 63 # Sectors according to firmware. WD My Passport 0830 # Disk descr. [REMOVED] # Disk ident. Not_Zoned # Zone Mode --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-91149-9-5x1f2M3pMb>