Author: trasz Date: Tue Mar 26 19:11:15 2019 New Revision: 345551 URL: https://svnweb.freebsd.org/changeset/base/345551
Log: Improve error reporting when the swap pager runs out of memory. Reviewed by: kib MFC after: 2 weeks Sponsored by: Klara Inc. Differential Revision: https://reviews.freebsd.org/D19699 Modified: head/sys/vm/swap_pager.c Modified: head/sys/vm/swap_pager.c ============================================================================== --- head/sys/vm/swap_pager.c Tue Mar 26 18:03:18 2019 (r345550) +++ head/sys/vm/swap_pager.c Tue Mar 26 19:11:15 2019 (r345551) @@ -1510,9 +1510,10 @@ swp_pager_async_iodone(struct buf *bp) vm_object_t object = NULL; /* - * report error + * Report error - unless we ran out of memory, in which case + * we've already logged it in swapgeom_strategy(). */ - if (bp->b_ioflags & BIO_ERROR) { + if (bp->b_ioflags & BIO_ERROR && bp->b_error != ENOMEM) { printf( "swap_pager: I/O error - %s failed; blkno %ld," "size %ld, error %d\n", @@ -2692,6 +2693,7 @@ swapgeom_strategy(struct buf *bp, struct swdevt *sp) mtx_unlock(&sw_dev_mtx); bp->b_error = ENOMEM; bp->b_ioflags |= BIO_ERROR; + printf("swap_pager: cannot allocate bio\n"); bufdone(bp); return; } _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
