Date: Thu, 28 Sep 2000 19:35:02 +0200 From: "Jose M. Alcaide" <jose@we.lc.ehu.es> To: scsi@FreeBSD.org Subject: panic when removing device with "camcontrol rescan" Message-ID: <39D38146.671CFFF0@we.lc.ehu.es>
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Hello, I am running a pretty recent -current (Sept. 21) on a machine equipped with an Adaptec 7880 controller. There are a HD, a MO unit (both internal) and a DLT drive connected to the SCSI bus. I can trigger a panic if I power the DLT off and then type "camcontrol rescan 0", in order to remove the CAM device. The SCSI subsystem hangs, so I cannot generate a crash dump. I compiled a kernel with DDB, and I got the following trace output (function parameters left out - I am copying by hand): destroy_dev() at destroy_dev+0x7 sacleanup() at sacleanup+0x2d camperiphfree() at camperiphfree+0x42 cam_periph_invalidate() cam_periph_async() saaync() xpt_async_bcast() xpt_async() probedone() camisr() swi_cambio() intr_soft() fork_trampoline() If there is a way for getting more post-mortem information, I could try it... Any ideas? Cheers, -- JMA ****** Jose M. Alcaide // jose@we.lc.ehu.es // jmas@FreeBSD.org ****** ** "Beware of Programmers who carry screwdrivers" -- Leonard Brandwein ** To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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