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On Tue, Jul 29, 2003 at 10:39:48AM +0300, you [Ville Herva] wrote: > After about a year of stable operation, a server begun acting up. First it > begun hanging up solid during the nightly oracle backup (that had run > successfully for a year), the I got some aic7xxx-related crashes on boot. > > Initially, the box ran 2.4.20pre7 kernel with aic7xxx version 6.4.8. When > the hangs started happening, I upgraded to 2.4.21-jam1 (basically 2.4.21 > vanilla + -aa patch + some minor stuff) that includes aic7xxx version 6.2.36. > It did not help. > > I enabled kmsgdump and nmi watchdog, but when the box hangs, it hangs solid: > no ctrl-alt-del, no caps lock led, no alt-sysrq-b, no kmsgdump, nmi watchdog > doesn't trigger. Only the cursor on the console blinks, but no messages from > the kernel appear. (Apart from "spurious 8259A interrupt: IRQ7." that > always happens sometime after boot on this box, but way before the hang.) Herbert Pötzl indicted that he'd had similar lockups with fairly similar hw up until 2.4.22pre6. He suggested I should try 2.4.22pre8. 2.4.22pre8 locked up the same way in about 10 hours. > Any ideas on how to to debug this kind of hang? The question still stands; how do I debug this? > Does it sound kernel/driver or hw related? Are the two crashes related to > the hang? Is the hang related to aic7xxx? Any ideas? -- v -- v@iki.fi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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