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Re: toolchain/51120: alpha can't build perl

The following reply was made to PR toolchain/51120; it has been noted by GNATS.

From: Martin Husemann <>
Subject: Re: toolchain/51120: alpha can't build perl
Date: Wed, 11 May 2016 10:08:41 +0200

 The crtbegin changes (see toolchain/51121) help a bit and miniperl
 does not crash on exit any more.
 However, it triggers lots of 
 pid 4491 (miniperl): unaligned access: va=0x3fffdc10c49 pc=0x12011e0f0 ra=0x12011e314 sp=0x1ffffb5b8 op=stl
 messages and during installation of the final perl package reproducably
 crashes the kernel:
 extent `tsp_sgmap' (0x0 - 0x7fffff), flags = 0x2
      0x0 - 0x3fff
      0x4000 - 0x7fff
      0x8000 - 0xbfff
      0xc000 - 0xffff
      0x10000 - 0x13fff
      0x14000 - 0x17fff
      0x18000 - 0x1bfff
      0x1c000 - 0x1ffff
      0x20000 - 0x23fff
      0x24000 - 0x27fff
      0x28000 - 0x2bfff
      0x2c000 - 0x2ffff
      0x30000 - 0x33fff
      0x34000 - 0x37fff
      0x38000 - 0x3bfff
      0x3c000 - 0x3ffff
      0x40000 - 0x43fff
      0x44000 - 0x47fff
      0x48000 - 0x4bfff
      0x4c000 - 0x4ffff
      0x50000 - 0x53fff
      0x54000 - 0x57fff
      0x58000 - 0x5bfff
      0x5c000 - 0x5ffff
      0x60000 - 0x63fff
      0x64000 - 0x67fff
      0x68000 - 0x6bfff
      0x6c000 - 0x6ffff
      0x70000 - 0x73fff
      0x74000 - 0x77fff
      0x78000 - 0x7bfff
      0x7c000 - 0x7ffff
      0x80000 - 0x83fff
      0x84000 - 0x87fff
      0x88000 - 0x8bfff
      0x8c000 - 0x8ffff
      0x90000 - 0x93fff
      0x94000 - 0x97fff
      0x98000 - 0x9bfff
      0x9c000 - 0x9ffff
      0xa0000 - 0xa3fff
      0xa4000 - 0xa7fff
 extent_free: start 0x0, end 0x1fff
 panic: extent_free: region not found
 Stopped in pid 799.1 (miniperl) at      netbsd:cpu_Debugger+0x4:        ret     z
 db> bt
 cpu_Debugger() at netbsd:cpu_Debugger+0x4
 db_panic() at netbsd:db_panic+0x118
 vpanic() at netbsd:vpanic+0x1a8
 panic() at netbsd:panic+0x58
 extent_free() at netbsd:extent_free+0x274
 pci_sgmap_pte64_unload() at netbsd:pci_sgmap_pte64_unload+0x11c
 tsp_bus_dmamap_unload_sgmap() at netbsd:tsp_bus_dmamap_unload_sgmap+0x2c
 tlp_intr() at netbsd:tlp_intr+0x9e0
 alpha_shared_intr_dispatch() at netbsd:alpha_shared_intr_dispatch+0x5c
 dec_6600_iointr() at netbsd:dec_6600_iointr+0x40
 interrupt() at netbsd:interrupt+0x214
 XentInt() at netbsd:XentInt+0x1c
 --- interrupt (from ipl 0) ---
 if_transmit() at netbsd:if_transmit+0x10c
 ifq_enqueue() at netbsd:ifq_enqueue+0x18
 ether_output() at netbsd:ether_output+0x9cc
 ip_if_output() at netbsd:ip_if_output+0x68
 ip_output() at netbsd:ip_output+0xfb0
 tcp_output() at netbsd:tcp_output+0x1b7c
 tcp_input() at netbsd:tcp_input+0x1b98
 ipintr() at netbsd:ipintr+0x4c8
 softint_overlay() at netbsd:softint_overlay+0x388
 lwp_userret() at netbsd:lwp_userret+0x2e0
 ast() at netbsd:ast+0xb0
 exception_return() at netbsd:exception_return+0xa0

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