Messages in this thread | | | Date | Sat, 04 Dec 2004 23:45:06 +0100 | From | Christian Kujau <> | Subject | [FYI] linux 2.6 still not working with PReP (ppc32) |
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hi,
upon receiving some calls about the status on this issue, i decided to update http://bugme.osdl.org/show_bug.cgi?id=1494 , which i reported a while back. yes, this is "just a PReP" and i am fully aware that PReP is not used in recent setups any more and i too will not my PReP for HPC applications. but perhaps someone has an idea about what's goin on here.
the bugreport should give you th full details, in short: linux 2.5.30 is the last working kernel for ppc32/PReP with networking enabled. (net)booting a recent 2.6 kernels spit out lots of these:
(with tulip NIC) Dec 3 23:56:39 192.168.10.9 irq 9: nobody cared! Dec 3 23:56:39 192.168.10.9 Call trace: Dec 3 23:56:39 192.168.10.9 [c002e99c] __report_bad_irq+0x34/0xac Dec 3 23:56:39 192.168.10.9 [c002eb00] note_interrupt+0xd0/0x104 Dec 3 23:56:39 192.168.10.9 [c002e480] __do_IRQ+0x174/0x184 Dec 3 23:56:39 192.168.10.9 [c00053e0] do_IRQ+0x38/0x98 Dec 3 23:56:39 192.168.10.9 [c00044cc] ret_from_except+0x0/0x14 Dec 3 23:56:39 192.168.10.9 [c002e748] setup_irq+0xd8/0x138 Dec 3 23:56:39 192.168.10.9 [c002e938] request_irq+0x90/0xc0 Dec 3 23:56:39 192.168.10.9 [c0103504] tulip_open+0x30/0xb6c Dec 3 23:56:39 192.168.10.9 [c0117274] dev_open+0xb0/0xd8 Dec 3 23:56:39 192.168.10.9 [c0118a7c] dev_change_flags+0x6c/0x144 Dec 3 23:56:39 192.168.10.9 [c0123db4] netpoll_setup+0x1c4/0x364 Dec 3 23:56:39 192.168.10.9 [c0106fe0] init_netconsole+0x3c/0x94 Dec 3 23:56:39 192.168.10.9 [c0003a64] init+0xb8/0x230 Dec 3 23:56:39 192.168.10.9 [c0006524] kernel_thread+0x44/0x60 Dec 3 23:56:39 192.168.10.9 handlers: Dec 3 23:56:39 192.168.10.9 [<c010101c>] (tulip_interrupt+0x0/0xd3c) Dec 3 23:56:39 192.168.10.9 Disabling IRQ #9
(with 3c59x NIC) 192.168.10.9 NETDEV WATCHDOG: eth0: transmit timed out 192.168.10.9 eth0: transmit timed out, tx_status 00 status e800. 192.168.10.9 diagnostics: net 0cc0 media 8802 dma 002000b3 fifo 0000 192.168.10.9 eth0: Interrupt posted but not delivered -- IRQ blocked by another device? 192.168.10.9 Flags; bus-master 1, dirty 67(3) current 68(4) 192.168.10.9 Transmit list 806fe480 vs. c06fe3e0. 192.168.10.9 0: @c06fe200 length 80000054 status 00000054 192.168.10.9 1: @c06fe2a0 length 8000005e status 0000005e 192.168.10.9 2: @c06fe340 length 80000064 status 00000064 192.168.10.9 3: @c06fe3e0 length 80000075 status 00000075 192.168.10.9 4: @c06fe480 length 8000005b status 0000005b 192.168.10.9 5: @c06fe520 length 80000051 status 00000051 192.168.10.9 6: @c06fe5c0 length 8000005a status 0000005a 192.168.10.9 7: @c06fe660 length 8000005a status 0000005a 192.168.10.9 8: @c06fe700 length 8000005a status 0000005a 192.168.10.9 9: @c06fe7a0 length 8000005a status 0000005a 192.168.10.9 10: @c06fe840 length 8000005a status 0000005a 192.168.10.9 11: @c06fe8e0 length 8000005a status 0000005a 192.168.10.9 12: @c06fe980 length 8000005a status 0000005a 192.168.10.9 13: @c06fea20 length 8000005a status 0000005a 192.168.10.9 14: @c06feac0 length 8000005a status 0000005a 192.168.10.9 13: @c06fea20 length 8000005a status 0000005a 192.168.10.9 14: @c06feac0 length 8000005a status 0000005a 192.168.10.9 15: @c06feb60 length 8000005a status 0000005a
is it possible to use another irq for the network-device driver? Documentation/kernel-parameters.txt gives some options about other drivers, but i can't tell how to specify "use this irq" for tulip/3c59x.
especially the "IRQ blocked by another device?" message makes me think, that manual irq config could help here. but maybe i'm wrong.
the results posted on http://nerdbynature.de/bits/sheep/2.6.10-rc2/ are from current 2.6 kernels: the offical tree and the linuxppc25 tree was used.
thank you for comments, Christian. - -- BOFH excuse #441:
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