Messages in this thread | | | Date | Thu, 12 Sep 2002 17:06:03 -0700 | From | Samuel Flory <> | Subject | Re: 2.4.20pre5aa2 |
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Line 578 is BUG(); below: mapit: pb->pb_flags |= _PBF_MEM_ALLOCATED; if (all_mapped) { pb->pb_flags |= _PBF_ALL_PAGES_MAPPED;
/* A single page buffer is always mappable */ if (page_count == 1) { pb->pb_addr = (caddr_t) page_address(pb->pb_pages[0]) + pb->pb_offset; pb->pb_flags |= PBF_MAPPED; } else if (flags & PBF_MAPPED) { if (as_list_len > 64) purge_addresses(); pb->pb_addr = vmap(pb->pb_pages, page_count); if (!pb->pb_addr) BUG(); pb->pb_addr += pb->pb_offset; pb->pb_flags |= PBF_MAPPED | _PBF_ADDR_ALLOCATED; } } /* If some pages were found with data in them * we are not in PBF_NONE state. */ if (good_pages != 0) { pb->pb_flags &= ~(PBF_NONE); if (good_pages != page_count) { pb->pb_flags |= PBF_PARTIAL; } }
PB_TRACE(pb, PB_TRACE_REC(look_pg), good_pages);
return rval; }
Stephen Lord wrote:
>On Thu, 2002-09-12 at 18:29, Samuel Flory wrote: > > >> Your patch seem to solve only some of the xfs issues for me. Before >>the patch my system hung when booting. This only occured I had xfs >>compiled into the kernel. After patching things seemed fine, but >>durning "dbench 32" the system locked. Upon rebooting and attempting to >>mount the filesystem I got this: >>XFS mounting filesystem md(9,2) >>Starting XFS recovery on filesystem: md(9,2) (dev: 9/2) >>kernel BUG at page_buf.c:578! >><and so on> >> >> >> > >Line numbers in no way line up with the code I have in front of me, >However, this appears to equate to a failure in the address space >remapping code. This is not a failure I have ever seen in our code >base. > >Steve > > > >
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