Bug 59988 - undocumented panic with large malloc-backed md
Summary: undocumented panic with large malloc-backed md
Status: Closed FIXED
Alias: None
Product: Base System
Classification: Unclassified
Component: bin (show other bugs)
Version: 1.0-RELEASE
Hardware: Any Any
: Normal Affects Only Me
Assignee: freebsd-bugs (Nobody)
Depends on:
Reported: 2003-12-06 09:40 UTC by Colin Percival
Modified: 2004-01-02 14:28 UTC (History)
0 users

See Also:

file.diff (477 bytes, patch)
2003-12-06 09:40 UTC, Colin Percival
no flags Details | Diff

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Description Colin Percival 2003-12-06 09:40:16 UTC
  Large malloc-backed memory disks will cause 5.x systems to panic when they 
are filled.  This isn't documented anywhere.

Fix: Document the panic in mdconfig.8
mdconfig -a -t malloc -s 300M -u 0
dd if=/dev/zero of=/dev/md0 bs=1048576 count=300
<do anything which requires kernel memory>
Comment 1 Poul-Henning Kamp freebsd_committer 2004-01-02 14:28:19 UTC
State Changed
From-To: open->closed

committed, thanks.