On Thu, 2007-02-15 at 19:52 +0100, Frank van Maarseveen wrote: > FYI, > > Just captured this one, I'm not sure it's NFS at fault because I saw > at least another AIO related mm/truncate.c:398 report with a totally > different stack trace. > > The machine seems still running happily, as usual with a considerable > load. kernel is tainted by fglrx. > > kernel: BUG: warning at mm/truncate.c:398/invalidate_inode_pages2_range() > kernel: [<c0104897>] dump_trace+0x227/0x240 > kernel: [<c010498f>] show_trace_log_lvl+0x2f/0x50 > kernel: [<c01049d7>] show_trace+0x27/0x30 > kernel: [<c0104b06>] dump_stack+0x26/0x30 > kernel: [<c015a495>] invalidate_inode_pages2_range+0x305/0x310 > kernel: [<c015a4c1>] invalidate_inode_pages2+0x21/0x30 > kernel: [<c01f7aa8>] nfs_revalidate_mapping+0x98/0x180 > kernel: [<c01f5726>] nfs_file_read+0x46/0xb0 > kernel: [<c017441e>] do_sync_read+0xde/0x130 > kernel: [<c0174511>] vfs_read+0xa1/0x1b0 > kernel: [<c0174947>] sys_read+0x47/0x70 > kernel: [<c0103387>] syscall_call+0x7/0xb > kernel: [<b7ec0cbe>] 0xb7ec0cbe > kernel: =======================
That is a known issue. The warning was bogus after we fixed up the NFS client to handle the case where invalidate_inode_pages2() returns and error, and so the warning was removed in 2.6.20. Cheers Trond - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
